🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 293 Days

Day: 34.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 93.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,555,428 km

• M1: 411,095 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.5 AU - 0.72 AU

Year: 308 Days

Day: 28.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,555,428 km

• M1: 99,782 km (0.05 R)
• M2: 164,258 km (0.04 R)
• M3: 228,735 km (0.098 R)
• M4: 284,535 km (0.045 R)
• M5: 438,322 km (0.068 R)
• M6: 513,121 km (0.093 R)
• M7: 568,322 km (0.101 R)
• M8: 679,773 km (0.112 R)
• M9: 738,265 km (0.106 R)
• M10: 832,811 km (0.067 R)
• M11: 899,233 km (0.11 R)
• M12: 960,867 km (0.102 R)
• M13: 1,030,879 km (0.073 R)
• M14: 1,147,864 km (0.101 R)
• M15: 1,218,923 km (0.091 R)
• M16: 1,320,800 km (0.107 R)
• M17: 1,418,038 km (0.118 R)
• M18: 1,502,262 km (0.082 R)
• M19: 1,588,281 km (0.068 R)
• M20: 1,655,899 km (0.106 R)
• M21: 1,872,816 km (0.045 R)
• M22: 1,991,148 km (0.091 R)
• M23: 2,112,172 km (0.102 R)
• M24: 2,204,474 km (0.114 R)
• M25: 2,266,707 km (0.107 R)
• M26: 2,325,050 km (0.104 R)
• M27: 2,425,131 km (0.064 R)
• M28: 2,540,471 km (0.103 R)
• M29: 2,643,544 km (0.075 R)
• M30: 2,771,899 km (0.113 R)
• M31: 2,897,561 km (0.044 R)
• M32: 3,094,582 km (0.105 R)
• M33: 3,169,680 km (0.105 R)
• M34: 3,260,486 km (0.119 R)
• M35: 3,311,349 km (0.057 R)
• M36: 3,362,511 km (0.1 R)
• M37: 3,434,468 km (0.091 R)
• M38: 3,522,581 km (0.071 R)
• M39: 3,595,734 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 14.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 8.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,555,428 km

• M1: 182,809 km (0.045 R)
• M2: 311,313 km (0.06 R)
• M3: 445,353 km (0.107 R)
• M4: 563,984 km (0.109 R)
• M5: 656,286 km (0.03 R)
• M6: 772,673 km (0.114 R)
• M7: 901,028 km (0.064 R)
• M8: 1,131,409 km (0.05 R)
• M9: 1,232,836 km (0.112 R)
• M10: 1,404,724 km (0.105 R)
• M11: 1,599,500 km (0.076 R)
• M12: 1,700,329 km (0.111 R)
• M13: 1,863,391 km (0.119 R)
• M14: 1,954,646 km (0.119 R)
• M15: 2,063,104 km (0.115 R)
• M16: 2,173,657 km (0.111 R)
• M17: 2,286,454 km (0.091 R)
• M18: 2,456,547 km (0.059 R)
• M19: 2,625,293 km (0.041 R)
• M20: 2,763,073 km (0.111 R)
• M21: 3,022,326 km (0.104 R)
• M22: 3,118,667 km (0.064 R)
• M23: 3,216,055 km (0.107 R)
• M24: 3,382,707 km (0.073 R)
• M25: 3,577,633 km (0.095 R)
• M26: 4,111,548 km (0.105 R)
• M27: 4,205,346 km (0.109 R)
• M28: 4,333,701 km (0.062 R)
• M29: 4,436,026 km (0.101 R)
• M30: 4,539,099 km (0.101 R)
• M31: 4,726,844 km (0.092 R)
• M32: 4,825,130 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 10.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.68 AU - 0.72 AU

Year: 378 Days

Day: 11.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,555,428 km

• M1: 134,788 km (0.079 R)
• M2: 251,175 km (0.082 R)
• M3: 334,650 km (0.097 R)
• M4: 458,817 km (0.114 R)
• M5: 531,222 km (0.111 R)
• M6: 700,866 km (0.1 R)
• M7: 833,859 km (0.114 R)
• M8: 955,033 km (0.078 R)
• M9: 1,022,202 km (0.105 R)
• M10: 1,143,975 km (0.087 R)
• M11: 1,220,419 km (0.111 R)
• M12: 1,383,481 km (0.086 R)
• M13: 1,465,461 km (0.087 R)
• M14: 1,579,006 km (0.116 R)
• M15: 1,649,616 km (0.101 R)
• M16: 1,742,067 km (0.057 R)
• M17: 1,825,842 km (0.117 R)
• M18: 1,905,578 km (0.065 R)
• M19: 1,980,975 km (0.053 R)
• M20: 2,096,315 km (0.066 R)
• M21: 2,185,625 km (0.12 R)
• M22: 2,264,912 km (0.108 R)
• M23: 2,339,412 km (0.082 R)
• M24: 2,443,831 km (0.099 R)
• M25: 2,609,585 km (0.058 R)
• M26: 2,712,209 km (0.08 R)
• M27: 3,078,425 km (0.106 R)
• M28: 3,212,764 km (0.067 R)
• M29: 3,283,823 km (0.078 R)
• M30: 3,375,078 km (0.046 R)
• M31: 3,540,234 km (0.108 R)
• M32: 3,742,041 km (0.098 R)
• M33: 4,003,089 km (0.089 R)
• M34: 4,149,995 km (0.061 R)
• M35: 4,320,087 km (0.102 R)
• M36: 4,413,137 km (0.044 R)
• M37: 4,514,116 km (0.08 R)
• M38: 4,594,151 km (0.116 R)
• M39: 4,696,476 km (0.075 R)
• M40: 4,955,878 km (0.085 R)
• M41: 5,113,854 km (0.028 R)
• M42: 5,197,180 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.4

Radius: 14.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.26 AU - 2.02 AU

Year: 1356 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 65,555,428 km

• M1: 201,808 km (0.071 R)
• M2: 451,636 km (0.067 R)
• M3: 657,333 km (0.08 R)
• M4: 777,311 km (0.105 R)
• M5: 1,003,951 km (0.081 R)
• M6: 1,162,675 km (0.088 R)
• M7: 1,588,879 km (0.119 R)
• M8: 1,786,647 km (0.114 R)
• M9: 2,114,416 km (0.068 R)
• M10: 2,207,317 km (0.088 R)
• M11: 2,312,185 km (0.111 R)
• M12: 2,429,619 km (0.048 R)
• M13: 2,538,077 km (0.078 R)
• M14: 2,681,691 km (0.083 R)
• M15: 2,885,145 km (0.119 R)
• M16: 3,023,822 km (0.075 R)
• M17: 3,331,844 km (0.106 R)
• M18: 3,428,634 km (0.107 R)
• M19: 3,600,522 km (0.116 R)
• M20: 3,775,401 km (0.045 R)
• M21: 3,876,679 km (0.046 R)
• M22: 4,055,897 km (0.065 R)
• M23: 4,185,748 km (0.062 R)
• M24: 4,610,606 km (0.056 R)
• M25: 4,828,421 km (0.108 R)
• M26: 4,952,438 km (0.072 R)
• M27: 5,260,011 km (0.093 R)
• M28: 5,473,487 km (0.11 R)
• M29: 5,718,827 km (0.115 R)
• M30: 5,835,514 km (0.114 R)
• M31: 6,310,637 km (0.098 R)
• M32: 6,522,467 km (0.114 R)
• M33: 6,829,143 km (0.106 R)
• M34: 7,046,658 km (0.031 R)
• M35: 7,156,313 km (0.12 R)
• M36: 7,393,276 km (0.094 R)
• M37: 7,488,720 km (0.103 R)
• M38: 8,086,812 km (0.11 R)
• M39: 8,185,397 km (0.043 R)
• M40: 8,633,443 km (0.115 R)
• M41: 8,784,537 km (0.083 R)
• M42: 8,936,528 km (0.117 R)
• M43: 9,055,458 km (0.109 R)
• M44: 9,363,480 km (0.092 R)
• M45: 9,657,739 km (0.056 R)
• M46: 9,814,668 km (0.09 R)
• M47: 10,042,954 km (0.108 R)
• M48: 10,237,581 km (0.118 R)
• M49: 10,702,381 km (0.025 R)
• M50: 10,991,853 km (0.086 R)
• M51: 11,394,271 km (0.06 R)
• M52: 11,541,775 km (0.062 R)
• M53: 11,652,777 km (0.105 R)
• M54: 11,894,676 km (0.054 R)
• M55: 11,988,175 km (0.039 R)
• M56: 12,119,522 km (0.079 R)
• M57: 12,289,016 km (0.041 R)
• M58: 12,421,261 km (0.042 R)
• M59: 12,840,434 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 14.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.58 AU - 1.82 AU

Year: 1431 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,555,428 km

• M1: 182,659 km (0.099 R)
• M2: 295,306 km (0.079 R)
• M3: 471,084 km (0.056 R)
• M4: 638,484 km (0.064 R)
• M5: 763,398 km (0.112 R)
• M6: 1,086,230 km (0.074 R)
• M7: 1,300,753 km (0.09 R)
• M8: 1,415,495 km (0.076 R)
• M9: 1,546,992 km (0.08 R)
• M10: 1,651,710 km (0.102 R)
• M11: 1,868,777 km (0.098 R)
• M12: 2,052,333 km (0.091 R)
• M13: 2,301,713 km (0.072 R)
• M14: 2,442,933 km (0.102 R)
• M15: 2,576,823 km (0.071 R)
• M16: 2,760,978 km (0.069 R)
• M17: 2,960,691 km (0.079 R)
• M18: 3,255,100 km (0.111 R)
• M19: 3,374,330 km (0.072 R)
• M20: 3,535,895 km (0.118 R)
• M21: 3,658,715 km (0.102 R)
• M22: 3,914,827 km (0.101 R)
• M23: 4,029,867 km (0.096 R)
• M24: 4,176,773 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 9.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.08 AU - 3.12 AU

Year: 2707 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,555,428 km

• M1: 162,762 km (0.101 R)
• M2: 282,441 km (0.069 R)
• M3: 412,441 km (0.109 R)
• M4: 496,216 km (0.085 R)
• M5: 591,061 km (0.06 R)
• M6: 701,913 km (0.117 R)
• M7: 854,802 km (0.075 R)
• M8: 1,083,687 km (0.119 R)
• M9: 1,160,580 km (0.048 R)
• M10: 1,379,442 km (0.096 R)
• M11: 1,475,633 km (0.106 R)
• M12: 1,561,652 km (0.087 R)
• M13: 1,694,046 km (0.042 R)
• M14: 1,889,720 km (0.11 R)
• M15: 2,031,240 km (0.052 R)
• M16: 2,120,699 km (0.105 R)
• M17: 2,239,630 km (0.12 R)
• M18: 2,543,014 km (0.101 R)
• M19: 2,609,884 km (0.109 R)
• M20: 2,677,203 km (0.107 R)
• M21: 2,852,083 km (0.091 R)
• M22: 3,046,561 km (0.042 R)
• M23: 3,269,461 km (0.091 R)
• M24: 3,514,353 km (0.112 R)
• M25: 3,605,608 km (0.11 R)
• M26: 3,773,756 km (0.096 R)
• M27: 3,884,458 km (0.071 R)
• M28: 3,952,974 km (0.099 R)
• M29: 4,462,804 km (0.079 R)
• M30: 4,607,166 km (0.118 R)
• M31: 4,679,870 km (0.107 R)
• M32: 4,780,550 km (0.113 R)
• M33: 4,909,802 km (0.069 R)
• M34: 5,030,827 km (0.093 R)
• M35: 5,162,174 km (0.081 R)
• M36: 5,602,141 km (0.112 R)
• M37: 5,728,701 km (0.103 R)
• M38: 5,816,814 km (0.083 R)
• M39: 6,074,122 km (0.118 R)
• M40: 6,143,985 km (0.102 R)
• M41: 6,365,389 km (0.059 R)
• M42: 6,477,139 km (0.049 R)
• M43: 6,961,836 km (0.043 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 14.7

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.34 AU - 3.2 AU

Year: 2977 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,555,428 km

• M1: 296,503 km (0.095 R)
• M2: 404,662 km (0.103 R)
• M3: 550,371 km (0.102 R)
• M4: 785,538 km (0.095 R)
• M5: 940,073 km (0.095 R)
• M6: 1,098,946 km (0.104 R)
• M7: 1,359,097 km (0.069 R)
• M8: 1,453,044 km (0.067 R)
• M9: 1,774,979 km (0.051 R)
• M10: 2,212,403 km (0.057 R)
• M11: 2,334,176 km (0.046 R)
• M12: 2,624,246 km (0.078 R)
• M13: 2,763,821 km (0.113 R)
• M14: 2,875,121 km (0.066 R)
• M15: 2,967,423 km (0.109 R)
• M16: 3,060,772 km (0.094 R)
• M17: 3,575,539 km (0.119 R)
• M18: 3,820,730 km (0.064 R)
• M19: 3,956,864 km (0.027 R)
• M20: 4,094,643 km (0.097 R)
• M21: 4,269,224 km (0.096 R)
• M22: 4,662,068 km (0.086 R)
• M23: 4,795,659 km (0.118 R)
• M24: 5,029,331 km (0.104 R)
• M25: 5,431,749 km (0.037 R)
• M26: 5,766,400 km (0.112 R)
• M27: 5,949,507 km (0.086 R)
• M28: 6,107,931 km (0.12 R)
• M29: 6,921,445 km (0.043 R)
• M30: 7,228,420 km (0.093 R)
• M31: 7,884,705 km (0.075 R)
• M32: 8,000,793 km (0.089 R)
• M33: 8,308,217 km (0.101 R)
• M34: 8,784,387 km (0.114 R)
• M35: 8,995,619 km (0.037 R)
• M36: 9,499,914 km (0.119 R)
• M37: 10,060,756 km (0.115 R)
• M38: 10,202,575 km (0.064 R)
• M39: 10,873,671 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.7

Radius: 7.8

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.64 AU - 9.24 AU

Year: 14446 Days

Day: 20.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 65,555,428 km

• M1: 99,034 km (0.107 R)
• M2: 806,931 km (0.034 R)
• M3: 1,035,068 km (0.092 R)
• M4: 1,468,453 km (0.119 R)
• M5: 1,662,182 km (0.096 R)
• M6: 1,953,449 km (0.08 R)
• M7: 2,166,925 km (0.091 R)
• M8: 2,716,697 km (0.049 R)
• M9: 2,955,306 km (0.07 R)
• M10: 3,129,887 km (0.085 R)
• M11: 3,416,367 km (0.076 R)
• M12: 3,824,021 km (0.116 R)
• M13: 4,130,248 km (0.086 R)
• M14: 4,484,196 km (0.109 R)
• M15: 4,604,473 km (0.108 R)
• M16: 4,971,436 km (0.12 R)
• M17: 5,054,314 km (0.12 R)
• M18: 5,305,638 km (0.051 R)
• M19: 6,306,597 km (0.117 R)
• M20: 6,990,260 km (0.119 R)
• M21: 7,129,835 km (0.105 R)
• M22: 8,476,515 km (0.102 R)
• M23: 8,526,031 km (0.109 R)
• M24: 9,026,586 km (0.093 R)
• M25: 9,951,699 km (0.107 R)
• M26: 10,638,503 km (0.117 R)
• M27: 11,724,733 km (0.079 R)
• M28: 11,890,787 km (0.118 R)
• M29: 12,001,788 km (0.115 R)
• M30: 14,413,156 km (0.112 R)
• M31: 14,591,028 km (0.086 R)
• M32: 14,650,419 km (0.099 R)
• M33: 14,889,027 km (0.119 R)
• M34: 15,551,746 km (0.075 R)
• M35: 15,734,106 km (0.094 R)
• M36: 16,656,825 km (0.063 R)
• M37: 16,781,141 km (0.116 R)
• M38: 17,407,507 km (0.105 R)
• M39: 18,361,493 km (0.115 R)
• M40: 18,683,278 km (0.099 R)
• M41: 19,462,982 km (0.047 R)
• M42: 20,253,457 km (0.06 R)
• M43: 20,719,305 km (0.07 R)
• M44: 20,786,175 km (0.105 R)
• M45: 21,865,374 km (0.1 R)
• M46: 21,933,441 km (0.077 R)
• M47: 22,274,824 km (0.116 R)
• M48: 22,618,001 km (0.116 R)
• M49: 22,755,781 km (0.093 R)
• M50: 23,657,856 km (0.092 R)
• M51: 24,430,379 km (0.078 R)
• M52: 24,571,600 km (0.115 R)
• M53: 24,997,355 km (0.111 R)
• M54: 25,068,414 km (0.08 R)
• M55: 26,651,459 km (0.107 R)
• M56: 26,942,726 km (0.119 R)
• M57: 27,308,194 km (0.087 R)
• M58: 27,970,463 km (0.11 R)
• M59: 28,266,368 km (0.09 R)
• M60: 28,936,267 km (0.085 R)
• M61: 30,215,628 km (0.033 R)
• M62: 31,898,604 km (0.072 R)
• M63: 33,926,404 km (0.109 R)
• M64: 35,434,500 km (0.109 R)
• M65: 36,964,437 km (0.05 R)
• M66: 37,614,889 km (0.062 R)
• M67: 41,008,217 km (0.046 R)
• M68: 41,597,184 km (0.042 R)
• M69: 42,954,037 km (0.042 R)
• M70: 46,321,784 km (0.087 R)
• M71: 47,198,876 km (0.12 R)
• M72: 47,727,854 km (0.116 R)
• M73: 47,904,529 km (0.118 R)
• M74: 49,415,617 km (0.068 R)
• M75: 49,952,674 km (0.119 R)
• M76: 50,311,858 km (0.056 R)
• M77: 51,213,335 km (0.108 R)
• M78: 51,938,286 km (0.115 R)
• M79: 52,120,197 km (0.093 R)
• M80: 52,758,083 km (0.07 R)
• M81: 53,032,296 km (0.116 R)
• M82: 53,215,403 km (0.085 R)
• M83: 54,133,785 km (0.119 R)
• M84: 57,953,916 km (0.094 R)
• M85: 60,612,270 km (0.1 R)
• M86: 62,631,991 km (0.045 R)
• M87: 62,922,360 km (0.082 R)
• M88: 63,796,012 km (0.063 R)
• M89: 63,990,788 km (0.055 R)
• M90: 64,283,103 km (0.108 R)
• M91: 64,673,703 km (0.047 R)
• M92: 65,261,024 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,863 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit