🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 12.6

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.72 AU - 0.8 AU

Year: 449 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,353,076 km

• M1: 156,779 km (0.116 R)
• M2: 564,134 km (0.09 R)
• M3: 1,118,992 km (0.107 R)
• M4: 1,583,194 km (0.105 R)
• M5: 2,073,875 km (0.045 R)
• M6: 2,625,742 km (0.087 R)
• M7: 3,136,619 km (0.048 R)
• M8: 3,855,287 km (0.07 R)
• M9: 4,475,220 km (0.079 R)
• M10: 5,208,848 km (0.096 R)
• M11: 6,182,581 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 8.6

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.71 AU - 1.13 AU

Year: 599 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,353,076 km

• M1: 106,962 km (0.1 R)
• M2: 386,710 km (0.088 R)
• M3: 700,268 km (0.098 R)
• M4: 1,115,402 km (0.115 R)
• M5: 1,402,031 km (0.042 R)
• M6: 2,157,052 km (0.107 R)
• M7: 2,437,697 km (0.113 R)
• M8: 2,765,466 km (0.119 R)
• M9: 3,135,123 km (0.118 R)
• M10: 3,605,608 km (0.077 R)
• M11: 3,974,067 km (0.038 R)
• M12: 4,320,835 km (0.104 R)
• M13: 4,770,227 km (0.093 R)
• M14: 5,484,258 km (0.108 R)
• M15: 5,876,653 km (0.06 R)
• M16: 6,613,722 km (0.107 R)
• M17: 7,568,755 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 13.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.82 AU - 1.04 AU

Year: 608 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,353,076 km

• M1: 164,109 km (0.085 R)
• M2: 593,455 km (0.117 R)
• M3: 1,073,514 km (0.071 R)
• M4: 1,488,798 km (0.032 R)
• M5: 1,899,893 km (0.082 R)
• M6: 2,694,258 km (0.089 R)
• M7: 3,461,096 km (0.115 R)
• M8: 3,963,895 km (0.092 R)
• M9: 4,710,388 km (0.116 R)
• M10: 5,413,648 km (0.066 R)
• M11: 6,004,111 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 12.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.24 AU - 1.94 AU

Year: 1360 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,353,076 km

• M1: 158,424 km (0.088 R)
• M2: 836,102 km (0.089 R)
• M3: 1,238,670 km (0.025 R)
• M4: 2,341,356 km (0.108 R)
• M5: 2,742,428 km (0.069 R)
• M6: 3,159,657 km (0.104 R)
• M7: 4,715,325 km (0.075 R)
• M8: 5,606,031 km (0.106 R)
• M9: 7,016,739 km (0.071 R)
• M10: 8,743,098 km (0.054 R)
• M11: 13,098,490 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 14

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.26 AU - 4.82 AU

Year: 5508 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,353,076 km

• M1: 174,581 km (0.116 R)
• M2: 713,432 km (0.105 R)
• M3: 1,572,274 km (0.047 R)
• M4: 3,693,571 km (0.103 R)
• M5: 4,211,778 km (0.108 R)
• M6: 5,009,733 km (0.058 R)
• M7: 11,237,044 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 14.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.74 AU - 5.98 AU

Year: 7267 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,353,076 km

• M1: 177,872 km (0.082 R)
• M2: 683,213 km (0.094 R)
• M3: 1,423,125 km (0.095 R)
• M4: 1,935,796 km (0.119 R)
• M5: 2,481,529 km (0.055 R)
• M6: 3,194,064 km (0.096 R)
• M7: 5,031,425 km (0.072 R)
• M8: 6,386,483 km (0.069 R)
• M9: 7,771,310 km (0.112 R)
• M10: 9,167,956 km (0.113 R)
• M11: 12,290,512 km (0.12 R)
• M12: 12,900,722 km (0.116 R)
• M13: 14,853,273 km (0.075 R)
• M14: 15,482,183 km (0.1 R)
• M15: 16,860,727 km (0.108 R)
• M16: 25,093,248 km (0.049 R)
• M17: 32,315,234 km (0.105 R)
• M18: 33,479,255 km (0.077 R)
• M19: 36,115,768 km (0.118 R)
• M20: 37,600,228 km (0.039 R)
• M21: 39,244,159 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.1

Radius: 3.8

Gravity: 44.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.98 AU - 8.64 AU

Year: 13405 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,353,076 km

• M1: 49,517 km (0.099 R)
• M2: 214,075 km (0.108 R)
• M3: 363,523 km (0.102 R)
• M4: 759,508 km (0.089 R)
• M5: 1,312,871 km (0.093 R)
• M6: 1,779,766 km (0.071 R)
• M7: 1,987,408 km (0.071 R)
• M8: 3,103,857 km (0.09 R)
• M9: 3,353,535 km (0.097 R)
• M10: 3,589,601 km (0.089 R)
• M11: 3,780,787 km (0.062 R)
• M12: 6,083,846 km (0.069 R)
• M13: 6,514,838 km (0.028 R)
• M14: 6,840,811 km (0.027 R)
• M15: 7,975,810 km (0.095 R)
• M16: 8,160,863 km (0.081 R)
• M17: 9,537,911 km (0.101 R)
• M18: 10,172,655 km (0.118 R)
• M19: 10,611,276 km (0.118 R)
• M20: 11,119,610 km (0.06 R)
• M21: 11,942,398 km (0.118 R)
• M22: 12,245,782 km (0.093 R)
• M23: 12,616,785 km (0.066 R)
• M24: 17,280,798 km (0.107 R)
• M25: 22,789,889 km (0.102 R)
• M26: 29,473,174 km (0.105 R)
• M27: 30,587,678 km (0.028 R)
• M28: 34,709,548 km (0.089 R)
• M29: 36,203,732 km (0.061 R)
• M30: 36,330,142 km (0.085 R)
• M31: 36,583,860 km (0.099 R)
• M32: 37,610,550 km (0.101 R)
• M33: 43,889,472 km (0.092 R)
• M34: 45,341,170 km (0.096 R)
• M35: 47,881,790 km (0.064 R)
• M36: 54,230,724 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.7

Radius: 6.1

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.6 AU - 10.8 AU

Year: 20490 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,353,076 km

• M1: 85,869 km (0.101 R)
• M2: 451,038 km (0.119 R)
• M3: 950,545 km (0.076 R)
• M4: 1,700,329 km (0.085 R)
• M5: 2,208,214 km (0.109 R)
• M6: 3,077,527 km (0.11 R)
• M7: 3,520,636 km (0.086 R)
• M8: 4,899,181 km (0.083 R)
• M9: 5,106,823 km (0.118 R)
• M10: 8,371,347 km (0.079 R)
• M11: 12,231,421 km (0.051 R)
• M12: 12,679,168 km (0.105 R)
• M13: 12,874,393 km (0.037 R)
• M14: 15,747,869 km (0.093 R)
• M15: 16,663,557 km (0.051 R)
• M16: 17,213,928 km (0.067 R)
• M17: 18,433,749 km (0.075 R)
• M18: 21,779,954 km (0.093 R)
• M19: 22,437,586 km (0.092 R)
• M20: 23,205,323 km (0.082 R)
• M21: 24,590,748 km (0.08 R)
• M22: 25,510,027 km (0.067 R)
• M23: 25,925,760 km (0.114 R)
• M24: 27,092,623 km (0.063 R)
• M25: 27,853,029 km (0.06 R)
• M26: 28,851,595 km (0.09 R)
• M27: 31,990,308 km (0.085 R)
• M28: 39,625,783 km (0.101 R)
• M29: 45,898,123 km (0.078 R)
• M30: 52,800,868 km (0.109 R)
• M31: 53,815,889 km (0.114 R)
• M32: 59,631,806 km (0.084 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: 503 - 16,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit