🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.43 AU - 0.69 AU

Year: 271 Days

Day: 42.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 9.2

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.71 AU - 1.07 AU

Year: 542 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,921,054 km

• M1: 114,592 km (0.114 R)
• M2: 201,209 km (0.106 R)
• M3: 260,151 km (0.064 R)
• M4: 378,632 km (0.065 R)
• M5: 444,904 km (0.097 R)
• M6: 515,813 km (0.086 R)
• M7: 617,241 km (0.085 R)
• M8: 757,564 km (0.115 R)
• M9: 822,040 km (0.056 R)
• M10: 992,133 km (0.1 R)
• M11: 1,056,161 km (0.115 R)
• M12: 1,132,905 km (0.114 R)
• M13: 1,272,779 km (0.092 R)
• M14: 1,446,761 km (0.059 R)
• M15: 1,569,880 km (0.102 R)
• M16: 1,696,739 km (0.026 R)
• M17: 1,853,368 km (0.069 R)
• M18: 2,088,386 km (0.1 R)
• M19: 2,162,587 km (0.111 R)
• M20: 2,251,897 km (0.091 R)
• M21: 2,405,235 km (0.094 R)
• M22: 2,527,456 km (0.074 R)
• M23: 2,707,123 km (0.108 R)
• M24: 2,860,162 km (0.105 R)
• M25: 2,922,095 km (0.065 R)
• M26: 3,031,750 km (0.068 R)
• M27: 3,100,416 km (0.061 R)
• M28: 3,363,559 km (0.087 R)
• M29: 3,429,082 km (0.091 R)
• M30: 3,589,302 km (0.064 R)
• M31: 3,706,886 km (0.11 R)
• M32: 3,814,447 km (0.112 R)
• M33: 3,882,813 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 14.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.13 AU - 1.23 AU

Year: 828 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,921,054 km

• M1: 220,208 km (0.099 R)
• M2: 328,068 km (0.087 R)
• M3: 423,811 km (0.087 R)
• M4: 540,946 km (0.107 R)
• M5: 668,852 km (0.1 R)
• M6: 773,870 km (0.107 R)
• M7: 889,659 km (0.109 R)
• M8: 994,676 km (0.104 R)
• M9: 1,095,655 km (0.109 R)
• M10: 1,214,436 km (0.092 R)
• M11: 1,313,769 km (0.061 R)
• M12: 1,450,800 km (0.063 R)
• M13: 1,598,154 km (0.057 R)
• M14: 1,692,401 km (0.037 R)
• M15: 1,853,667 km (0.046 R)
• M16: 1,964,220 km (0.096 R)
• M17: 2,065,797 km (0.098 R)
• M18: 2,186,522 km (0.081 R)
• M19: 2,381,299 km (0.054 R)
• M20: 2,489,907 km (0.111 R)
• M21: 2,650,126 km (0.061 R)
• M22: 2,858,367 km (0.089 R)
• M23: 3,039,380 km (0.101 R)
• M24: 3,257,793 km (0.038 R)
• M25: 3,385,998 km (0.11 R)
• M26: 3,591,994 km (0.12 R)
• M27: 3,696,414 km (0.104 R)
• M28: 3,809,061 km (0.11 R)
• M29: 3,915,874 km (0.079 R)
• M30: 4,059,637 km (0.109 R)
• M31: 4,168,694 km (0.105 R)
• M32: 4,330,559 km (0.041 R)
• M33: 4,554,507 km (0.112 R)
• M34: 4,713,679 km (0.09 R)
• M35: 4,851,609 km (0.088 R)
• M36: 5,045,487 km (0.049 R)
• M37: 5,147,214 km (0.107 R)
• M38: 5,241,909 km (0.034 R)
• M39: 5,424,868 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493

Radius: 11.2

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.35 AU - 1.43 AU

Year: 1058 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 55,921,054 km

• M1: 150,196 km (0.1 R)
• M2: 251,624 km (0.085 R)
• M3: 407,804 km (0.114 R)
• M4: 567,874 km (0.09 R)
• M5: 662,120 km (0.12 R)
• M6: 768,335 km (0.095 R)
• M7: 898,934 km (0.073 R)
• M8: 980,016 km (0.04 R)
• M9: 1,103,284 km (0.106 R)
• M10: 1,231,938 km (0.058 R)
• M11: 1,351,617 km (0.094 R)
• M12: 1,497,624 km (0.049 R)
• M13: 1,572,573 km (0.081 R)
• M14: 1,687,614 km (0.086 R)
• M15: 1,789,789 km (0.112 R)
• M16: 2,008,501 km (0.065 R)
• M17: 2,176,350 km (0.117 R)
• M18: 2,314,129 km (0.062 R)
• M19: 2,716,997 km (0.079 R)
• M20: 2,884,546 km (0.104 R)
• M21: 3,337,977 km (0.06 R)
• M22: 3,497,598 km (0.083 R)
• M23: 3,700,752 km (0.114 R)
• M24: 3,772,709 km (0.085 R)
• M25: 3,886,852 km (0.075 R)
• M26: 3,991,720 km (0.073 R)
• M27: 4,118,579 km (0.11 R)
• M28: 4,376,785 km (0.072 R)
• M29: 4,540,744 km (0.102 R)
• M30: 4,751,528 km (0.032 R)
• M31: 4,954,083 km (0.064 R)
• M32: 5,240,264 km (0.105 R)
• M33: 5,650,162 km (0.095 R)
• M34: 5,804,996 km (0.098 R)
• M35: 5,876,952 km (0.069 R)
• M36: 6,155,653 km (0.111 R)
• M37: 6,451,109 km (0.072 R)
• M38: 6,827,048 km (0.12 R)
• M39: 6,953,907 km (0.084 R)
• M40: 7,030,502 km (0.091 R)
• M41: 7,223,034 km (0.047 R)
• M42: 7,326,406 km (0.082 R)
• M43: 7,456,407 km (0.103 R)
• M44: 7,957,260 km (0.037 R)
• M45: 8,265,731 km (0.117 R)
• M46: 8,428,344 km (0.073 R)
• M47: 8,523,638 km (0.107 R)
• M48: 8,646,607 km (0.06 R)
• M49: 8,742,799 km (0.098 R)
• M50: 8,977,667 km (0.082 R)
• M51: 9,061,143 km (0.092 R)
• M52: 9,186,805 km (0.05 R)
• M53: 9,284,941 km (0.061 R)
• M54: 9,496,323 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 10.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.05 AU - 1.73 AU

Year: 1058 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 55,921,054 km

• M1: 157,527 km (0.105 R)
• M2: 398,529 km (0.086 R)
• M3: 472,580 km (0.075 R)
• M4: 552,465 km (0.111 R)
• M5: 713,432 km (0.065 R)
• M6: 792,570 km (0.095 R)
• M7: 911,949 km (0.1 R)
• M8: 998,865 km (0.097 R)
• M9: 1,077,404 km (0.031 R)
• M10: 1,193,492 km (0.061 R)
• M11: 1,265,149 km (0.112 R)
• M12: 1,332,319 km (0.104 R)
• M13: 1,425,817 km (0.088 R)
• M14: 1,567,187 km (0.107 R)
• M15: 1,646,325 km (0.044 R)
• M16: 1,906,026 km (0.118 R)
• M17: 1,983,668 km (0.096 R)
• M18: 2,105,889 km (0.077 R)
• M19: 2,230,803 km (0.116 R)
• M20: 2,441,886 km (0.106 R)
• M21: 2,549,896 km (0.119 R)
• M22: 2,706,973 km (0.111 R)
• M23: 2,851,186 km (0.097 R)
• M24: 2,940,645 km (0.092 R)
• M25: 3,022,775 km (0.11 R)
• M26: 3,462,293 km (0.115 R)
• M27: 3,566,563 km (0.087 R)
• M28: 3,672,029 km (0.042 R)
• M29: 3,805,171 km (0.115 R)
• M30: 3,922,007 km (0.095 R)
• M31: 4,094,793 km (0.04 R)
• M32: 4,429,294 km (0.113 R)
• M33: 4,571,412 km (0.116 R)
• M34: 4,724,450 km (0.097 R)
• M35: 4,898,881 km (0.072 R)
• M36: 4,967,248 km (0.067 R)
• M37: 5,045,787 km (0.079 R)
• M38: 5,134,648 km (0.12 R)
• M39: 5,254,027 km (0.078 R)
• M40: 5,597,204 km (0.106 R)
• M41: 5,730,346 km (0.076 R)
• M42: 5,812,775 km (0.117 R)
• M43: 6,241,672 km (0.05 R)
• M44: 6,358,508 km (0.089 R)
• M45: 6,443,928 km (0.097 R)
• M46: 6,735,046 km (0.094 R)
• M47: 6,800,420 km (0.086 R)
• M48: 6,975,599 km (0.076 R)
• M49: 7,174,415 km (0.096 R)
• M50: 7,252,206 km (0.089 R)
• M51: 7,330,445 km (0.07 R)
• M52: 7,600,469 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 13

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.42 AU - 1.8 AU

Year: 1319 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,921,054 km

• M1: 168,597 km (0.112 R)
• M2: 289,921 km (0.045 R)
• M3: 380,727 km (0.06 R)
• M4: 507,436 km (0.084 R)
• M5: 661,522 km (0.116 R)
• M6: 892,800 km (0.114 R)
• M7: 1,068,278 km (0.118 R)
• M8: 1,163,722 km (0.096 R)
• M9: 1,293,722 km (0.058 R)
• M10: 1,521,710 km (0.099 R)
• M11: 1,685,818 km (0.083 R)
• M12: 2,115,015 km (0.036 R)
• M13: 2,268,353 km (0.029 R)
• M14: 2,401,794 km (0.075 R)
• M15: 2,635,466 km (0.112 R)
• M16: 2,742,727 km (0.087 R)
• M17: 2,953,212 km (0.086 R)
• M18: 3,064,812 km (0.061 R)
• M19: 3,417,115 km (0.109 R)
• M20: 3,498,346 km (0.109 R)
• M21: 3,607,403 km (0.036 R)
• M22: 3,708,531 km (0.055 R)
• M23: 3,979,752 km (0.026 R)
• M24: 4,113,044 km (0.086 R)
• M25: 4,731,481 km (0.11 R)
• M26: 4,842,483 km (0.107 R)
• M27: 5,056,857 km (0.064 R)
• M28: 5,368,469 km (0.079 R)
• M29: 5,569,230 km (0.093 R)
• M30: 6,109,427 km (0.112 R)
• M31: 6,263,663 km (0.032 R)
• M32: 6,352,524 km (0.118 R)
• M33: 6,666,530 km (0.102 R)
• M34: 7,251,458 km (0.108 R)
• M35: 7,627,098 km (0.092 R)
• M36: 7,781,483 km (0.085 R)
• M37: 7,877,076 km (0.034 R)
• M38: 8,045,224 km (0.084 R)
• M39: 8,166,099 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 12.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.61 AU - 6.21 AU

Year: 8125 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 55,921,054 km

• M1: 176,675 km (0.054 R)
• M2: 345,721 km (0.086 R)
• M3: 620,083 km (0.088 R)
• M4: 742,305 km (0.116 R)
• M5: 888,911 km (0.095 R)
• M6: 1,282,652 km (0.113 R)
• M7: 1,499,719 km (0.073 R)
• M8: 1,788,592 km (0.039 R)
• M9: 2,599,263 km (0.109 R)
• M10: 3,019,633 km (0.101 R)
• M11: 3,312,097 km (0.098 R)
• M12: 3,690,729 km (0.098 R)
• M13: 4,352,700 km (0.09 R)
• M14: 4,683,760 km (0.106 R)
• M15: 4,937,328 km (0.074 R)
• M16: 5,370,264 km (0.085 R)
• M17: 5,606,180 km (0.086 R)
• M18: 6,119,002 km (0.079 R)
• M19: 6,647,082 km (0.063 R)
• M20: 6,741,778 km (0.102 R)
• M21: 7,417,362 km (0.114 R)
• M22: 7,614,382 km (0.085 R)
• M23: 7,913,279 km (0.094 R)
• M24: 8,902,420 km (0.072 R)
• M25: 9,966,509 km (0.077 R)
• M26: 10,147,822 km (0.111 R)
• M27: 10,550,539 km (0.097 R)
• M28: 10,995,892 km (0.097 R)
• M29: 11,447,379 km (0.084 R)
• M30: 11,981,742 km (0.11 R)
• M31: 12,838,040 km (0.032 R)
• M32: 13,035,510 km (0.116 R)
• M33: 13,233,876 km (0.044 R)
• M34: 13,513,325 km (0.102 R)
• M35: 13,915,893 km (0.047 R)
• M36: 14,037,516 km (0.066 R)
• M37: 14,118,748 km (0.071 R)
• M38: 15,523,771 km (0.05 R)
• M39: 15,860,815 km (0.079 R)
• M40: 16,886,458 km (0.091 R)
• M41: 17,538,406 km (0.114 R)
• M42: 17,933,643 km (0.079 R)
• M43: 18,287,293 km (0.05 R)
• M44: 18,643,335 km (0.085 R)
• M45: 18,732,645 km (0.073 R)
• M46: 18,822,254 km (0.027 R)
• M47: 19,181,738 km (0.119 R)
• M48: 19,452,810 km (0.085 R)
• M49: 20,411,582 km (0.098 R)
• M50: 20,734,714 km (0.087 R)
• M51: 22,138,390 km (0.053 R)
• M52: 23,187,072 km (0.108 R)
• M53: 23,814,485 km (0.028 R)
• M54: 24,154,671 km (0.088 R)
• M55: 24,594,339 km (0.116 R)
• M56: 24,987,332 km (0.081 R)
• M57: 25,283,536 km (0.053 R)
• M58: 25,431,937 km (0.058 R)
• M59: 26,832,173 km (0.083 R)
• M60: 27,034,280 km (0.065 R)
• M61: 29,602,427 km (0.071 R)
• M62: 30,177,930 km (0.057 R)
• M63: 30,757,023 km (0.104 R)
• M64: 31,392,964 km (0.11 R)
• M65: 32,086,948 km (0.079 R)
• M66: 33,110,048 km (0.085 R)
• M67: 33,598,485 km (0.106 R)
• M68: 33,816,449 km (0.054 R)
• M69: 35,243,762 km (0.068 R)
• M70: 35,409,816 km (0.119 R)
• M71: 35,964,974 km (0.081 R)
• M72: 36,634,873 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.3

Radius: 7.7

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.77 AU - 7.91 AU

Year: 11550 Days

Day: 20.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 55,921,054 km

• M1: 97,538 km (0.113 R)
• M2: 198,367 km (0.035 R)
• M3: 290,519 km (0.075 R)
• M4: 357,389 km (0.042 R)
• M5: 461,360 km (0.056 R)
• M6: 738,714 km (0.082 R)
• M7: 957,576 km (0.111 R)
• M8: 1,174,343 km (0.116 R)
• M9: 1,628,223 km (0.08 R)
• M10: 1,968,110 km (0.104 R)
• M11: 2,622,301 km (0.113 R)
• M12: 3,242,085 km (0.116 R)
• M13: 3,306,562 km (0.103 R)
• M14: 3,502,385 km (0.114 R)
• M15: 3,837,335 km (0.055 R)
• M16: 4,112,745 km (0.077 R)
• M17: 5,126,420 km (0.095 R)
• M18: 5,583,591 km (0.086 R)
• M19: 7,411,527 km (0.077 R)
• M20: 7,711,321 km (0.09 R)
• M21: 8,146,352 km (0.09 R)
• M22: 8,278,447 km (0.083 R)
• M23: 8,949,543 km (0.114 R)
• M24: 10,774,936 km (0.053 R)
• M25: 11,017,135 km (0.087 R)
• M26: 11,114,523 km (0.095 R)
• M27: 11,704,687 km (0.104 R)
• M28: 12,003,584 km (0.12 R)
• M29: 12,609,006 km (0.075 R)
• M30: 13,069,618 km (0.081 R)
• M31: 13,849,472 km (0.066 R)
• M32: 14,112,764 km (0.089 R)
• M33: 14,165,572 km (0.12 R)
• M34: 14,537,472 km (0.086 R)
• M35: 15,020,374 km (0.096 R)
• M36: 15,563,115 km (0.119 R)
• M37: 16,278,193 km (0.082 R)
• M38: 17,060,141 km (0.115 R)
• M39: 17,797,210 km (0.067 R)
• M40: 18,140,986 km (0.12 R)
• M41: 19,892,178 km (0.045 R)
• M42: 20,428,038 km (0.094 R)
• M43: 20,908,397 km (0.094 R)
• M44: 21,271,022 km (0.09 R)
• M45: 21,635,742 km (0.092 R)
• M46: 21,880,035 km (0.06 R)
• M47: 22,494,733 km (0.037 R)
• M48: 22,618,450 km (0.065 R)
• M49: 23,867,143 km (0.096 R)
• M50: 24,946,193 km (0.092 R)
• M51: 25,588,267 km (0.079 R)
• M52: 26,626,925 km (0.106 R)
• M53: 30,711,396 km (0.032 R)
• M54: 32,092,483 km (0.114 R)
• M55: 32,231,609 km (0.115 R)
• M56: 32,371,034 km (0.045 R)
• M57: 36,573,089 km (0.08 R)
• M58: 37,082,919 km (0.102 R)
• M59: 37,448,536 km (0.055 R)
• M60: 39,592,572 km (0.116 R)
• M61: 40,717,100 km (0.094 R)
• M62: 41,018,689 km (0.115 R)
• M63: 41,094,236 km (0.098 R)
• M64: 41,776,103 km (0.112 R)
• M65: 41,852,099 km (0.113 R)
• M66: 42,004,090 km (0.08 R)
• M67: 42,308,971 km (0.079 R)
• M68: 43,227,651 km (0.1 R)
• M69: 44,075,721 km (0.104 R)
• M70: 45,240,790 km (0.077 R)
• M71: 46,258,803 km (0.112 R)
• M72: 46,889,059 km (0.069 R)
• M73: 47,363,583 km (0.088 R)
• M74: 47,522,157 km (0.104 R)
• M75: 47,919,190 km (0.099 R)
• M76: 49,840,475 km (0.078 R)
• M77: 49,921,109 km (0.076 R)
• M78: 50,810,618 km (0.056 R)
• M79: 51,216,626 km (0.118 R)
• M80: 52,277,425 km (0.091 R)
• M81: 52,605,194 km (0.096 R)
• M82: 54,919,174 km (0.065 R)
• M83: 55,335,953 km (0.109 R)
• M84: 55,419,429 km (0.038 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 18,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit