🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.41 AU - 0.61 AU

Year: 232 Days

Day: 46.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.54 AU - 0.72 AU

Year: 318 Days

Day: 13.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,359,841 km

• M1: 430,842 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 10.6

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.59 AU - 0.81 AU

Year: 372 Days

Day: 9.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,359,841 km

• M1: 143,165 km (0.111 R)
• M2: 216,319 km (0.112 R)
• M3: 285,732 km (0.052 R)
• M4: 359,633 km (0.113 R)
• M5: 439,668 km (0.11 R)
• M6: 540,497 km (0.113 R)
• M7: 636,090 km (0.074 R)
• M8: 768,634 km (0.087 R)
• M9: 846,574 km (0.048 R)
• M10: 948,002 km (0.117 R)
• M11: 1,071,420 km (0.097 R)
• M12: 1,159,683 km (0.108 R)
• M13: 1,339,350 km (0.106 R)
• M14: 1,513,482 km (0.099 R)
• M15: 1,644,081 km (0.063 R)
• M16: 1,773,333 km (0.106 R)
• M17: 1,841,849 km (0.073 R)
• M18: 1,927,569 km (0.044 R)
• M19: 2,009,099 km (0.034 R)
• M20: 2,170,216 km (0.092 R)
• M21: 2,238,134 km (0.114 R)
• M22: 2,612,876 km (0.118 R)
• M23: 2,752,302 km (0.102 R)
• M24: 2,863,303 km (0.058 R)
• M25: 3,039,081 km (0.097 R)
• M26: 3,166,688 km (0.086 R)
• M27: 3,341,867 km (0.11 R)
• M28: 3,427,437 km (0.108 R)
• M29: 3,567,311 km (0.088 R)
• M30: 3,641,212 km (0.11 R)
• M31: 3,749,820 km (0.114 R)
• M32: 3,825,068 km (0.061 R)
• M33: 4,166,450 km (0.076 R)
• M34: 4,394,737 km (0.106 R)
• M35: 4,598,040 km (0.112 R)
• M36: 4,664,013 km (0.118 R)
• M37: 4,752,425 km (0.084 R)
• M38: 5,028,732 km (0.039 R)
• M39: 5,210,943 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 8.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.6 AU - 0.98 AU

Year: 446 Days

Day: 8.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,359,841 km

• M1: 113,994 km (0.096 R)
• M2: 247,136 km (0.062 R)
• M3: 312,809 km (0.03 R)
• M4: 407,355 km (0.082 R)
• M5: 548,127 km (0.108 R)
• M6: 610,359 km (0.074 R)
• M7: 730,935 km (0.109 R)
• M8: 807,230 km (0.054 R)
• M9: 911,799 km (0.118 R)
• M10: 1,011,581 km (0.118 R)
• M11: 1,210,546 km (0.106 R)
• M12: 1,335,759 km (0.113 R)
• M13: 1,491,192 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 11.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.69 AU - 1.03 AU

Year: 507 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 34,359,841 km

• M1: 144,063 km (0.07 R)
• M2: 225,743 km (0.043 R)
• M3: 322,982 km (0.05 R)
• M4: 428,299 km (0.098 R)
• M5: 652,097 km (0.073 R)
• M6: 740,360 km (0.119 R)
• M7: 837,748 km (0.095 R)
• M8: 955,033 km (0.097 R)
• M9: 1,083,537 km (0.034 R)
• M10: 1,169,107 km (0.116 R)
• M11: 1,284,896 km (0.083 R)
• M12: 1,564,794 km (0.113 R)
• M13: 1,650,214 km (0.093 R)
• M14: 1,819,559 km (0.087 R)
• M15: 1,909,766 km (0.077 R)
• M16: 2,047,995 km (0.072 R)
• M17: 2,264,912 km (0.049 R)
• M18: 2,411,667 km (0.116 R)
• M19: 2,554,234 km (0.106 R)
• M20: 2,626,639 km (0.109 R)
• M21: 2,751,404 km (0.064 R)
• M22: 2,900,703 km (0.12 R)
• M23: 3,098,920 km (0.063 R)
• M24: 3,176,412 km (0.118 R)
• M25: 3,293,696 km (0.082 R)
• M26: 3,444,641 km (0.1 R)
• M27: 3,605,907 km (0.087 R)
• M28: 3,835,989 km (0.084 R)
• M29: 3,994,862 km (0.105 R)
• M30: 4,130,397 km (0.076 R)
• M31: 4,328,016 km (0.103 R)
• M32: 4,423,609 km (0.073 R)
• M33: 4,608,063 km (0.102 R)
• M34: 4,732,529 km (0.118 R)
• M35: 4,804,186 km (0.054 R)
• M36: 4,885,118 km (0.07 R)
• M37: 5,269,286 km (0.081 R)
• M38: 5,390,161 km (0.113 R)
• M39: 5,634,903 km (0.117 R)
• M40: 5,854,363 km (0.073 R)
• M41: 6,115,561 km (0.103 R)
• M42: 6,301,810 km (0.103 R)
• M43: 6,450,062 km (0.095 R)
• M44: 6,579,614 km (0.041 R)
• M45: 6,730,109 km (0.084 R)
• M46: 6,841,111 km (0.086 R)
• M47: 6,922,342 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972

Radius: 13.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.05 AU

Year: 516 Days

Day: 13.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 34,359,841 km

• M1: 173,534 km (0.079 R)
• M2: 333,603 km (0.07 R)
• M3: 478,564 km (0.119 R)
• M4: 566,078 km (0.115 R)
• M5: 669,301 km (0.11 R)
• M6: 804,537 km (0.101 R)
• M7: 986,598 km (0.027 R)
• M8: 1,110,764 km (0.082 R)
• M9: 1,200,523 km (0.052 R)
• M10: 1,328,429 km (0.099 R)
• M11: 1,448,855 km (0.098 R)
• M12: 1,554,172 km (0.118 R)
• M13: 1,675,347 km (0.047 R)
• M14: 1,786,498 km (0.12 R)
• M15: 1,927,569 km (0.1 R)
• M16: 2,030,641 km (0.071 R)
• M17: 2,142,690 km (0.029 R)
• M18: 2,249,653 km (0.08 R)
• M19: 2,417,502 km (0.043 R)
• M20: 2,742,578 km (0.074 R)
• M21: 3,017,688 km (0.051 R)
• M22: 3,179,104 km (0.054 R)
• M23: 3,409,934 km (0.026 R)
• M24: 3,637,921 km (0.097 R)
• M25: 3,862,168 km (0.053 R)
• M26: 4,020,144 km (0.04 R)
• M27: 4,117,831 km (0.102 R)
• M28: 4,288,522 km (0.118 R)
• M29: 4,397,429 km (0.113 R)
• M30: 4,562,585 km (0.085 R)
• M31: 4,758,110 km (0.091 R)
• M32: 4,880,481 km (0.115 R)
• M33: 4,975,326 km (0.099 R)
• M34: 5,468,849 km (0.058 R)
• M35: 5,746,653 km (0.099 R)
• M36: 5,947,862 km (0.116 R)
• M37: 6,059,462 km (0.045 R)
• M38: 6,171,959 km (0.066 R)
• M39: 6,316,022 km (0.097 R)
• M40: 6,513,342 km (0.115 R)
• M41: 7,074,783 km (0.041 R)
• M42: 7,225,727 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 9.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.64 AU - 1.78 AU

Year: 1422 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 34,359,841 km

• M1: 122,670 km (0.054 R)
• M2: 259,852 km (0.083 R)
• M3: 344,374 km (0.042 R)
• M4: 508,483 km (0.105 R)
• M5: 629,209 km (0.079 R)
• M6: 719,865 km (0.077 R)
• M7: 850,763 km (0.113 R)
• M8: 930,349 km (0.105 R)
• M9: 1,121,236 km (0.035 R)
• M10: 1,185,114 km (0.112 R)
• M11: 1,333,515 km (0.119 R)
• M12: 1,401,582 km (0.044 R)
• M13: 1,514,678 km (0.103 R)
• M14: 1,929,962 km (0.102 R)
• M15: 2,066,395 km (0.115 R)
• M16: 2,379,803 km (0.03 R)
• M17: 2,537,030 km (0.109 R)
• M18: 2,633,072 km (0.062 R)
• M19: 2,817,825 km (0.109 R)
• M20: 3,063,316 km (0.085 R)
• M21: 3,304,019 km (0.044 R)
• M22: 3,479,946 km (0.085 R)
• M23: 3,828,808 km (0.093 R)
• M24: 4,013,561 km (0.107 R)
• M25: 4,138,475 km (0.119 R)
• M26: 4,277,452 km (0.054 R)
• M27: 4,405,059 km (0.095 R)
• M28: 4,742,851 km (0.053 R)
• M29: 4,835,302 km (0.111 R)
• M30: 4,995,073 km (0.038 R)
• M31: 5,089,170 km (0.076 R)
• M32: 5,224,556 km (0.078 R)
• M33: 5,471,243 km (0.102 R)
• M34: 5,582,095 km (0.12 R)
• M35: 5,707,757 km (0.076 R)
• M36: 5,777,919 km (0.027 R)
• M37: 5,876,803 km (0.116 R)
• M38: 6,598,762 km (0.086 R)
• M39: 6,880,604 km (0.059 R)
• M40: 6,955,403 km (0.111 R)
• M41: 7,045,461 km (0.103 R)
• M42: 7,166,187 km (0.069 R)
• M43: 7,517,293 km (0.114 R)
• M44: 7,702,794 km (0.113 R)
• M45: 7,921,058 km (0.06 R)
• M46: 8,031,012 km (0.074 R)
• M47: 8,109,701 km (0.111 R)
• M48: 8,427,596 km (0.108 R)
• M49: 8,571,958 km (0.094 R)
• M50: 8,765,837 km (0.107 R)
• M51: 9,009,981 km (0.049 R)
• M52: 9,108,416 km (0.119 R)
• M53: 9,622,285 km (0.082 R)
• M54: 10,333,323 km (0.1 R)
• M55: 10,591,529 km (0.085 R)
• M56: 10,695,350 km (0.109 R)
• M57: 11,184,386 km (0.095 R)
• M58: 11,431,671 km (0.106 R)
• M59: 11,734,457 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 12.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.77 AU - 4.47 AU

Year: 4379 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 34,359,841 km

• M1: 185,950 km (0.098 R)
• M2: 314,006 km (0.098 R)
• M3: 809,474 km (0.096 R)
• M4: 891,903 km (0.12 R)
• M5: 1,039,406 km (0.094 R)
• M6: 1,532,181 km (0.117 R)
• M7: 1,798,914 km (0.032 R)
• M8: 2,209,710 km (0.076 R)
• M9: 2,401,794 km (0.077 R)
• M10: 2,537,180 km (0.088 R)
• M11: 2,958,747 km (0.028 R)
• M12: 3,051,049 km (0.093 R)
• M13: 3,238,644 km (0.082 R)
• M14: 3,320,175 km (0.102 R)
• M15: 3,402,454 km (0.088 R)
• M16: 4,159,270 km (0.1 R)
• M17: 4,412,988 km (0.102 R)
• M18: 5,140,781 km (0.118 R)
• M19: 5,461,818 km (0.091 R)
• M20: 5,543,200 km (0.071 R)
• M21: 5,674,098 km (0.043 R)
• M22: 6,225,366 km (0.112 R)
• M23: 6,723,975 km (0.04 R)
• M24: 7,075,381 km (0.106 R)
• M25: 7,217,648 km (0.104 R)
• M26: 7,924,798 km (0.107 R)
• M27: 8,091,150 km (0.105 R)
• M28: 8,314,799 km (0.066 R)
• M29: 8,787,229 km (0.119 R)
• M30: 9,017,161 km (0.117 R)
• M31: 9,190,994 km (0.09 R)
• M32: 9,679,581 km (0.063 R)
• M33: 10,156,499 km (0.117 R)
• M34: 10,297,121 km (0.07 R)
• M35: 10,763,567 km (0.076 R)
• M36: 11,278,483 km (0.083 R)
• M37: 12,119,073 km (0.094 R)
• M38: 12,418,119 km (0.079 R)
• M39: 13,132,599 km (0.109 R)
• M40: 13,285,787 km (0.118 R)
• M41: 13,838,102 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 13.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.85 AU - 7.13 AU

Year: 9321 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 34,359,841 km

• M1: 175,927 km (0.107 R)
• M2: 281,992 km (0.061 R)
• M3: 763,248 km (0.082 R)
• M4: 872,604 km (0.043 R)
• M5: 1,203,216 km (0.087 R)
• M6: 1,300,604 km (0.038 R)
• M7: 1,486,404 km (0.114 R)
• M8: 2,097,362 km (0.083 R)
• M9: 2,545,707 km (0.085 R)
• M10: 2,846,847 km (0.109 R)
• M11: 3,046,710 km (0.08 R)
• M12: 3,228,322 km (0.067 R)
• M13: 3,437,161 km (0.1 R)
• M14: 3,794,999 km (0.1 R)
• M15: 4,090,155 km (0.104 R)
• M16: 4,367,360 km (0.087 R)
• M17: 4,547,027 km (0.084 R)
• M18: 4,913,841 km (0.069 R)
• M19: 5,592,866 km (0.118 R)
• M20: 6,272,489 km (0.074 R)
• M21: 6,740,282 km (0.067 R)
• M22: 7,008,361 km (0.071 R)
• M23: 7,128,787 km (0.066 R)
• M24: 7,709,676 km (0.047 R)
• M25: 7,896,374 km (0.095 R)
• M26: 8,115,984 km (0.078 R)
• M27: 8,242,543 km (0.09 R)
• M28: 8,852,155 km (0.081 R)
• M29: 9,710,099 km (0.083 R)
• M30: 9,979,375 km (0.059 R)
• M31: 11,046,456 km (0.113 R)
• M32: 12,769,375 km (0.116 R)
• M33: 12,916,729 km (0.115 R)
• M34: 13,101,782 km (0.061 R)
• M35: 13,362,231 km (0.086 R)
• M36: 14,344,790 km (0.05 R)
• M37: 15,116,416 km (0.079 R)
• M38: 15,941,149 km (0.04 R)
• M39: 17,104,123 km (0.048 R)
• M40: 17,675,437 km (0.073 R)
• M41: 17,798,556 km (0.094 R)
• M42: 18,878,503 km (0.115 R)
• M43: 19,172,912 km (0.084 R)
• M44: 19,979,693 km (0.06 R)
• M45: 20,322,721 km (0.116 R)
• M46: 20,710,928 km (0.077 R)
• M47: 20,884,312 km (0.09 R)
• M48: 21,014,611 km (0.09 R)
• M49: 21,319,791 km (0.105 R)
• M50: 21,978,620 km (0.042 R)
• M51: 22,644,031 km (0.043 R)
• M52: 23,046,599 km (0.066 R)
• M53: 23,136,358 km (0.112 R)
• M54: 23,271,295 km (0.066 R)
• M55: 23,858,766 km (0.088 R)
• M56: 24,040,527 km (0.107 R)
• M57: 24,268,365 km (0.112 R)
• M58: 24,359,620 km (0.117 R)
• M59: 25,048,368 km (0.082 R)
• M60: 26,163,620 km (0.085 R)
• M61: 28,490,466 km (0.077 R)
• M62: 28,683,447 km (0.115 R)
• M63: 29,507,881 km (0.09 R)
• M64: 30,291,175 km (0.117 R)
• M65: 30,784,100 km (0.11 R)
• M66: 30,882,984 km (0.074 R)
• M67: 31,428,867 km (0.08 R)
• M68: 31,877,960 km (0.055 R)
• M69: 32,883,407 km (0.091 R)
• M70: 33,237,805 km (0.094 R)
• M71: 33,390,095 km (0.077 R)
• M72: 33,491,672 km (0.084 R)
• M73: 34,154,839 km (0.091 R)
• M74: 34,308,626 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit