🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104

Radius: 10.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.2 AU - 1.5 AU

Year: 1103 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 143.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,417,175 km

• M1: 132,245 km (0.103 R)
• M2: 502,499 km (0.089 R)
• M3: 850,314 km (0.098 R)
• M4: 1,361,041 km (0.1 R)
• M5: 1,806,993 km (0.027 R)
• M6: 2,304,106 km (0.053 R)
• M7: 3,800,534 km (0.109 R)
• M8: 4,170,190 km (0.059 R)
• M9: 5,122,381 km (0.086 R)
• M10: 5,574,914 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 11.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.28 AU - 1.96 AU

Year: 1449 Days

Day: 11 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,417,175 km

• M1: 145,559 km (0.118 R)
• M2: 534,064 km (0.113 R)
• M3: 1,748,949 km (0.078 R)
• M4: 2,470,160 km (0.109 R)
• M5: 3,039,829 km (0.074 R)
• M6: 3,445,389 km (0.117 R)
• M7: 4,012,364 km (0.04 R)
• M8: 4,620,779 km (0.096 R)
• M9: 5,246,397 km (0.103 R)
• M10: 5,740,369 km (0.094 R)
• M11: 6,848,291 km (0.089 R)
• M12: 7,606,304 km (0.028 R)
• M13: 8,152,037 km (0.088 R)
• M14: 8,941,016 km (0.064 R)
• M15: 11,954,964 km (0.078 R)
• M16: 12,496,359 km (0.068 R)
• M17: 13,216,373 km (0.106 R)
• M18: 14,608,232 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 9.8

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.25 AU - 3.35 AU

Year: 4214 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,417,175 km

• M1: 122,521 km (0.041 R)
• M2: 462,257 km (0.053 R)
• M3: 1,373,458 km (0.057 R)
• M4: 2,049,940 km (0.075 R)
• M5: 3,920,811 km (0.104 R)
• M6: 4,551,515 km (0.062 R)
• M7: 5,034,716 km (0.079 R)
• M8: 5,495,927 km (0.055 R)
• M9: 5,926,020 km (0.091 R)
• M10: 7,284,968 km (0.087 R)
• M11: 7,804,671 km (0.101 R)
• M12: 8,840,785 km (0.065 R)
• M13: 9,192,640 km (0.095 R)
• M14: 9,966,210 km (0.068 R)
• M15: 10,520,171 km (0.087 R)
• M16: 10,960,138 km (0.119 R)
• M17: 13,295,810 km (0.11 R)
• M18: 16,233,763 km (0.049 R)
• M19: 16,643,810 km (0.109 R)
• M20: 18,607,282 km (0.115 R)
• M21: 19,447,424 km (0.104 R)
• M22: 20,515,852 km (0.076 R)
• M23: 22,479,174 km (0.055 R)
• M24: 23,209,810 km (0.114 R)
• M25: 24,487,975 km (0.089 R)
• M26: 25,418,025 km (0.108 R)
• M27: 25,891,801 km (0.114 R)
• M28: 26,775,775 km (0.08 R)
• M29: 27,679,645 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 14.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.02 AU - 4.2 AU

Year: 4821 Days

Day: 12.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,417,175 km

• M1: 200,461 km (0.087 R)
• M2: 820,096 km (0.101 R)
• M3: 1,338,452 km (0.082 R)
• M4: 1,959,433 km (0.088 R)
• M5: 2,540,321 km (0.06 R)
• M6: 4,808,225 km (0.081 R)
• M7: 5,378,642 km (0.075 R)
• M8: 6,110,774 km (0.078 R)
• M9: 7,433,668 km (0.026 R)
• M10: 8,271,117 km (0.116 R)
• M11: 9,846,681 km (0.107 R)
• M12: 11,614,629 km (0.103 R)
• M13: 12,502,193 km (0.084 R)
• M14: 13,384,222 km (0.05 R)
• M15: 14,098,702 km (0.095 R)
• M16: 14,838,613 km (0.099 R)
• M17: 15,493,253 km (0.08 R)
• M18: 16,110,195 km (0.112 R)
• M19: 18,182,873 km (0.079 R)
• M20: 23,800,273 km (0.079 R)
• M21: 24,698,010 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 9.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.41 AU - 6.19 AU

Year: 8577 Days

Day: 13.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,417,175 km

• M1: 122,521 km (0.093 R)
• M2: 428,747 km (0.104 R)
• M3: 761,603 km (0.051 R)
• M4: 2,178,893 km (0.093 R)
• M5: 2,603,003 km (0.053 R)
• M6: 4,822,587 km (0.104 R)
• M7: 6,442,582 km (0.099 R)
• M8: 8,277,400 km (0.095 R)
• M9: 11,950,177 km (0.056 R)
• M10: 18,095,059 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 6.9

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.41 AU - 9.51 AU

Year: 15786 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,417,175 km

• M1: 86,318 km (0.118 R)
• M2: 349,161 km (0.09 R)
• M3: 624,122 km (0.104 R)
• M4: 854,952 km (0.114 R)
• M5: 1,235,828 km (0.108 R)
• M6: 1,559,857 km (0.12 R)
• M7: 2,295,131 km (0.069 R)
• M8: 2,860,162 km (0.031 R)
• M9: 3,085,007 km (0.1 R)
• M10: 3,982,445 km (0.116 R)
• M11: 5,261,058 km (0.045 R)
• M12: 5,485,455 km (0.109 R)
• M13: 5,913,604 km (0.071 R)
• M14: 6,448,117 km (0.09 R)
• M15: 7,613,185 km (0.116 R)
• M16: 8,548,920 km (0.116 R)
• M17: 10,646,880 km (0.027 R)
• M18: 11,437,206 km (0.034 R)
• M19: 15,066,750 km (0.1 R)
• M20: 25,119,577 km (0.054 R)
• M21: 26,955,891 km (0.083 R)
• M22: 30,053,315 km (0.08 R)
• M23: 31,014,780 km (0.052 R)
• M24: 35,463,222 km (0.049 R)
• M25: 40,174,359 km (0.099 R)
• M26: 41,340,474 km (0.071 R)
• M27: 45,286,267 km (0.103 R)
• M28: 49,475,905 km (0.075 R)
• M29: 54,445,696 km (0.092 R)
• M30: 55,156,286 km (0.077 R)
• M31: 55,873,010 km (0.112 R)
• M32: 57,325,156 km (0.091 R)
• M33: 65,563,361 km (0.089 R)
• M34: 66,772,262 km (0.111 R)
• M35: 69,442,135 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.4

Radius: 7.6

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.63 AU - 11.77 AU

Year: 21236 Days

Day: 22 Hours

Environment

Temp: -245 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,417,175 km

• M1: 96,042 km (0.067 R)
• M2: 337,343 km (0.097 R)
• M3: 837,000 km (0.088 R)
• M4: 1,261,409 km (0.06 R)
• M5: 1,590,824 km (0.11 R)
• M6: 2,057,420 km (0.059 R)
• M7: 3,581,223 km (0.11 R)
• M8: 4,081,628 km (0.068 R)
• M9: 4,663,414 km (0.106 R)
• M10: 6,650,822 km (0.097 R)
• M11: 8,010,068 km (0.095 R)
• M12: 10,077,960 km (0.07 R)
• M13: 10,630,275 km (0.092 R)
• M14: 11,137,861 km (0.068 R)
• M15: 15,635,521 km (0.115 R)
• M16: 16,542,981 km (0.038 R)
• M17: 16,796,550 km (0.081 R)
• M18: 17,138,530 km (0.069 R)
• M19: 19,195,950 km (0.055 R)
• M20: 19,853,582 km (0.052 R)
• M21: 20,818,788 km (0.039 R)
• M22: 21,916,387 km (0.115 R)
• M23: 23,051,985 km (0.041 R)
• M24: 23,794,738 km (0.12 R)
• M25: 25,777,957 km (0.115 R)
• M26: 27,042,657 km (0.081 R)
• M27: 29,200,756 km (0.105 R)
• M28: 29,945,006 km (0.092 R)
• M29: 34,402,574 km (0.051 R)
• M30: 35,372,117 km (0.028 R)
• M31: 37,076,486 km (0.091 R)
• M32: 39,133,307 km (0.119 R)
• M33: 39,433,251 km (0.089 R)
• M34: 48,639,952 km (0.075 R)
• M35: 56,846,742 km (0.073 R)
• M36: 57,424,489 km (0.088 R)
• M37: 59,576,604 km (0.066 R)
• M38: 61,175,057 km (0.094 R)
• M39: 79,001,738 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 20,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit