🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 14.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 418 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,410,192 km

• M1: 177,872 km (0.049 R)
• M2: 623,374 km (0.114 R)
• M3: 1,225,506 km (0.048 R)
• M4: 1,898,846 km (0.114 R)
• M5: 2,522,071 km (0.109 R)
• M6: 3,227,873 km (0.104 R)
• M7: 3,742,490 km (0.075 R)
• M8: 4,479,559 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 14

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.81 AU - 1.07 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,410,192 km

• M1: 174,132 km (0.114 R)
• M2: 617,540 km (0.079 R)
• M3: 1,402,929 km (0.064 R)
• M4: 1,932,206 km (0.099 R)
• M5: 2,788,953 km (0.116 R)
• M6: 3,231,763 km (0.094 R)
• M7: 4,013,860 km (0.11 R)
• M8: 4,629,306 km (0.063 R)
• M9: 5,394,350 km (0.099 R)
• M10: 5,956,389 km (0.116 R)
• M11: 6,821,513 km (0.119 R)
• M12: 7,370,986 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.9

Radius: 12

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.44 AU - 2.02 AU

Year: 1493 Days

Day: 6.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,410,192 km

• M1: 149,299 km (0.05 R)
• M2: 605,273 km (0.036 R)
• M3: 1,266,795 km (0.105 R)
• M4: 1,683,275 km (0.077 R)
• M5: 2,363,198 km (0.119 R)
• M6: 2,932,268 km (0.078 R)
• M7: 4,065,771 km (0.036 R)
• M8: 4,825,130 km (0.078 R)
• M9: 5,359,942 km (0.084 R)
• M10: 6,754,793 km (0.105 R)
• M11: 7,342,712 km (0.104 R)
• M12: 8,621,475 km (0.106 R)
• M13: 12,149,292 km (0.099 R)
• M14: 12,698,765 km (0.096 R)
• M15: 13,471,139 km (0.08 R)
• M16: 14,842,353 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 9.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.14 AU - 4.18 AU

Year: 4593 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,410,192 km

• M1: 126,709 km (0.056 R)
• M2: 467,194 km (0.103 R)
• M3: 799,601 km (0.114 R)
• M4: 1,352,963 km (0.057 R)
• M5: 1,694,495 km (0.12 R)
• M6: 2,081,056 km (0.099 R)
• M7: 2,409,274 km (0.103 R)
• M8: 3,171,624 km (0.103 R)
• M9: 3,496,252 km (0.07 R)
• M10: 4,107,658 km (0.076 R)
• M11: 4,583,828 km (0.099 R)
• M12: 6,181,085 km (0.118 R)
• M13: 6,603,699 km (0.048 R)
• M14: 7,289,156 km (0.104 R)
• M15: 7,697,110 km (0.111 R)
• M16: 8,021,288 km (0.093 R)
• M17: 9,337,151 km (0.066 R)
• M18: 12,391,940 km (0.092 R)
• M19: 12,838,040 km (0.11 R)
• M20: 13,294,912 km (0.116 R)
• M21: 13,621,036 km (0.061 R)
• M22: 14,096,308 km (0.114 R)
• M23: 18,710,206 km (0.108 R)
• M24: 20,695,968 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 11.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.06 AU - 4.86 AU

Year: 6179 Days

Day: 9.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,410,192 km

• M1: 138,079 km (0.052 R)
• M2: 484,398 km (0.078 R)
• M3: 1,044,941 km (0.074 R)
• M4: 1,801,009 km (0.104 R)
• M5: 2,277,478 km (0.09 R)
• M6: 2,646,686 km (0.104 R)
• M7: 3,266,769 km (0.037 R)
• M8: 4,003,987 km (0.053 R)
• M9: 5,382,531 km (0.094 R)
• M10: 6,857,566 km (0.112 R)
• M11: 7,461,942 km (0.072 R)
• M12: 9,208,497 km (0.114 R)
• M13: 9,777,866 km (0.117 R)
• M14: 10,156,199 km (0.062 R)
• M15: 13,185,706 km (0.066 R)
• M16: 15,663,196 km (0.071 R)
• M17: 16,240,345 km (0.114 R)
• M18: 17,253,870 km (0.081 R)
• M19: 18,057,061 km (0.105 R)
• M20: 19,804,514 km (0.118 R)
• M21: 20,275,448 km (0.115 R)
• M22: 21,946,905 km (0.116 R)
• M23: 23,483,275 km (0.111 R)
• M24: 28,266,667 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.1

Radius: 3.5

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.6 AU - 8.74 AU

Year: 12595 Days

Day: 24.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,410,192 km

• M1: 51,162 km (0.094 R)
• M2: 385,364 km (0.099 R)
• M3: 602,730 km (0.102 R)
• M4: 933,192 km (0.041 R)
• M5: 1,314,516 km (0.105 R)
• M6: 2,797,031 km (0.114 R)
• M7: 3,266,320 km (0.065 R)
• M8: 3,833,894 km (0.059 R)
• M9: 5,219,919 km (0.088 R)
• M10: 6,122,293 km (0.114 R)
• M11: 6,732,054 km (0.117 R)
• M12: 8,886,862 km (0.08 R)
• M13: 9,056,356 km (0.103 R)
• M14: 11,865,056 km (0.086 R)
• M15: 12,436,071 km (0.11 R)
• M16: 17,746,945 km (0.094 R)
• M17: 18,492,840 km (0.042 R)
• M18: 18,630,769 km (0.085 R)
• M19: 20,781,687 km (0.098 R)
• M20: 26,694,842 km (0.1 R)
• M21: 27,583,155 km (0.105 R)
• M22: 29,606,466 km (0.105 R)
• M23: 30,079,644 km (0.115 R)
• M24: 30,557,908 km (0.097 R)
• M25: 31,236,035 km (0.112 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 17,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit