🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.1

Radius: 9.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,870,142 km

• M1: 113,246 km (0.054 R)
• M2: 435,330 km (0.118 R)
• M3: 735,124 km (0.115 R)
• M4: 1,234,781 km (0.084 R)
• M5: 2,071,183 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.7

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.82 AU - 5.89 AU

Year: 8252 Days

Day: 13.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,870,142 km

• M1: 259,702 km (0.105 R)
• M2: 658,979 km (0.105 R)
• M3: 1,626,428 km (0.078 R)
• M4: 3,111,636 km (0.084 R)
• M5: 3,856,783 km (0.027 R)
• M6: 4,769,031 km (0.113 R)
• M7: 5,332,117 km (0.111 R)
• M8: 7,223,034 km (0.115 R)
• M9: 8,491,474 km (0.087 R)
• M10: 9,567,532 km (0.087 R)
• M11: 10,732,301 km (0.113 R)
• M12: 17,074,802 km (0.086 R)
• M13: 19,918,358 km (0.034 R)
• M14: 23,669,375 km (0.105 R)
• M15: 24,363,360 km (0.115 R)
• M16: 26,774,578 km (0.053 R)
• M17: 28,381,558 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.87 AU - 6.01 AU

Year: 8461 Days

Day: 14.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,870,142 km

• M1: 116,537 km (0.104 R)
• M2: 455,526 km (0.038 R)
• M3: 755,768 km (0.113 R)
• M4: 1,478,625 km (0.109 R)
• M5: 3,706,886 km (0.111 R)
• M6: 6,011,590 km (0.071 R)
• M7: 6,761,824 km (0.068 R)
• M8: 11,476,251 km (0.1 R)
• M9: 12,371,744 km (0.083 R)
• M10: 17,175,332 km (0.12 R)
• M11: 19,361,106 km (0.066 R)
• M12: 20,556,393 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.2

Radius: 7.1

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.3 AU - 7.62 AU

Year: 10949 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,870,142 km

• M1: 88,412 km (0.091 R)
• M2: 476,170 km (0.108 R)
• M3: 836,551 km (0.116 R)
• M4: 1,108,221 km (0.118 R)
• M5: 2,112,023 km (0.084 R)
• M6: 2,731,508 km (0.083 R)
• M7: 2,978,344 km (0.061 R)
• M8: 3,289,508 km (0.084 R)
• M9: 3,543,525 km (0.115 R)
• M10: 4,385,162 km (0.059 R)
• M11: 5,353,509 km (0.1 R)
• M12: 6,897,958 km (0.067 R)
• M13: 8,480,554 km (0.106 R)
• M14: 9,206,403 km (0.114 R)
• M15: 11,116,618 km (0.055 R)
• M16: 11,458,898 km (0.032 R)
• M17: 13,857,400 km (0.071 R)
• M18: 14,590,131 km (0.082 R)
• M19: 15,208,718 km (0.108 R)
• M20: 18,013,977 km (0.078 R)
• M21: 24,241,437 km (0.091 R)
• M22: 25,402,167 km (0.069 R)
• M23: 27,521,819 km (0.079 R)
• M24: 27,938,450 km (0.101 R)
• M25: 30,750,291 km (0.072 R)
• M26: 30,974,090 km (0.111 R)
• M27: 35,069,032 km (0.058 R)
• M28: 38,334,604 km (0.108 R)
• M29: 39,775,231 km (0.098 R)
• M30: 40,441,989 km (0.052 R)
• M31: 43,745,709 km (0.077 R)
• M32: 45,463,242 km (0.089 R)
• M33: 45,753,761 km (0.111 R)
• M34: 50,417,325 km (0.102 R)
• M35: 50,884,669 km (0.078 R)
• M36: 53,912,529 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.4

Radius: 5.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.7 AU - 11.14 AU

Year: 19280 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,870,142 km

• M1: 73,602 km (0.079 R)
• M2: 309,668 km (0.1 R)
• M3: 826,678 km (0.051 R)
• M4: 1,155,195 km (0.105 R)
• M5: 1,434,494 km (0.08 R)
• M6: 1,725,163 km (0.033 R)
• M7: 2,363,946 km (0.026 R)
• M8: 2,594,326 km (0.114 R)
• M9: 3,299,680 km (0.115 R)
• M10: 3,507,771 km (0.025 R)
• M11: 3,950,431 km (0.064 R)
• M12: 4,429,443 km (0.106 R)
• M13: 4,946,603 km (0.109 R)
• M14: 6,295,527 km (0.055 R)
• M15: 7,248,017 km (0.089 R)
• M16: 9,802,400 km (0.077 R)
• M17: 10,454,498 km (0.059 R)
• M18: 11,192,913 km (0.094 R)
• M19: 13,288,330 km (0.098 R)
• M20: 14,566,345 km (0.09 R)
• M21: 15,128,234 km (0.11 R)
• M22: 16,977,264 km (0.101 R)
• M23: 23,229,408 km (0.047 R)
• M24: 28,082,961 km (0.101 R)
• M25: 29,062,528 km (0.11 R)
• M26: 29,952,037 km (0.096 R)
• M27: 31,320,409 km (0.066 R)
• M28: 31,785,658 km (0.072 R)
• M29: 36,181,891 km (0.093 R)
• M30: 37,602,023 km (0.078 R)
• M31: 41,244,432 km (0.116 R)
• M32: 44,673,664 km (0.082 R)
• M33: 47,826,140 km (0.094 R)
• M34: 51,445,511 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 19,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit