🌌 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: 410.6

Radius: 8.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 6.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,831,507 km

• M1: 104,569 km (0.11 R)
• M2: 488,886 km (0.109 R)
• M3: 824,883 km (0.068 R)
• M4: 1,341,743 km (0.077 R)
• M5: 1,981,723 km (0.044 R)
• M6: 2,548,549 km (0.1 R)
• M7: 3,239,243 km (0.055 R)
• M8: 3,612,639 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 14.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,831,507 km

• M1: 183,407 km (0.098 R)
• M2: 667,954 km (0.095 R)
• M3: 1,340,547 km (0.085 R)
• M4: 1,963,771 km (0.086 R)
• M5: 2,564,556 km (0.092 R)
• M6: 3,220,244 km (0.103 R)
• M7: 3,884,309 km (0.053 R)
• M8: 4,344,771 km (0.095 R)
• M9: 5,602,440 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 13.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.94 AU

Year: 477 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,831,507 km

• M1: 166,652 km (0.034 R)
• M2: 659,128 km (0.11 R)
• M3: 1,505,254 km (0.063 R)
• M4: 2,815,731 km (0.117 R)
• M5: 3,297,735 km (0.078 R)
• M6: 3,800,534 km (0.064 R)
• M7: 4,379,627 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739

Radius: 14.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.8 AU - 1.24 AU

Year: 687 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,831,507 km

• M1: 184,155 km (0.085 R)
• M2: 764,445 km (0.118 R)
• M3: 1,740,870 km (0.117 R)
• M4: 2,219,135 km (0.105 R)
• M5: 3,346,056 km (0.094 R)
• M6: 4,143,711 km (0.069 R)
• M7: 4,777,109 km (0.054 R)
• M8: 5,276,167 km (0.049 R)
• M9: 5,963,719 km (0.095 R)
• M10: 6,482,225 km (0.06 R)
• M11: 7,227,821 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 11

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.11 AU - 1.85 AU

Year: 1201 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,831,507 km

• M1: 136,732 km (0.109 R)
• M2: 538,702 km (0.111 R)
• M3: 1,134,101 km (0.087 R)
• M4: 1,489,097 km (0.105 R)
• M5: 2,031,988 km (0.045 R)
• M6: 2,421,092 km (0.078 R)
• M7: 2,820,518 km (0.049 R)
• M8: 3,307,759 km (0.093 R)
• M9: 4,804,635 km (0.113 R)
• M10: 5,650,162 km (0.107 R)
• M11: 6,879,707 km (0.085 R)
• M12: 7,403,299 km (0.062 R)
• M13: 8,088,308 km (0.051 R)
• M14: 9,164,665 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 10.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.86 AU - 4.18 AU

Year: 5375 Days

Day: 7.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,831,507 km

• M1: 135,536 km (0.109 R)
• M2: 614,099 km (0.051 R)
• M3: 971,937 km (0.063 R)
• M4: 1,421,180 km (0.091 R)
• M5: 2,320,861 km (0.086 R)
• M6: 3,792,456 km (0.093 R)
• M7: 4,654,139 km (0.111 R)
• M8: 6,607,738 km (0.115 R)
• M9: 7,377,269 km (0.036 R)
• M10: 9,642,032 km (0.077 R)
• M11: 12,241,594 km (0.056 R)
• M12: 13,203,209 km (0.068 R)
• M13: 19,734,054 km (0.063 R)
• M14: 20,586,013 km (0.083 R)
• M15: 21,668,055 km (0.028 R)
• M16: 25,600,684 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 11.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.84 AU - 4.86 AU

Year: 7123 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,831,507 km

• M1: 141,819 km (0.074 R)
• M2: 648,208 km (0.094 R)
• M3: 1,153,848 km (0.097 R)
• M4: 1,531,433 km (0.119 R)
• M5: 2,086,442 km (0.095 R)
• M6: 2,492,301 km (0.076 R)
• M7: 3,074,386 km (0.076 R)
• M8: 3,964,942 km (0.107 R)
• M9: 4,789,226 km (0.086 R)
• M10: 6,812,837 km (0.103 R)
• M11: 7,179,950 km (0.116 R)
• M12: 7,599,123 km (0.09 R)
• M13: 8,783,041 km (0.082 R)
• M14: 9,577,555 km (0.1 R)
• M15: 11,878,221 km (0.082 R)
• M16: 12,357,682 km (0.109 R)
• M17: 12,849,859 km (0.064 R)
• M18: 13,583,935 km (0.12 R)
• M19: 14,226,608 km (0.062 R)
• M20: 15,384,645 km (0.057 R)
• M21: 18,235,831 km (0.108 R)
• M22: 19,897,265 km (0.098 R)
• M23: 21,422,265 km (0.055 R)
• M24: 25,573,307 km (0.06 R)
• M25: 26,104,828 km (0.03 R)
• M26: 27,837,172 km (0.103 R)
• M27: 29,258,052 km (0.102 R)
• M28: 31,732,700 km (0.116 R)
• M29: 36,644,896 km (0.085 R)
• M30: 37,776,155 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.4

Radius: 7.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.42 AU - 6.5 AU

Year: 9703 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,831,507 km

• M1: 96,042 km (0.091 R)
• M2: 379,979 km (0.119 R)
• M3: 762,800 km (0.119 R)
• M4: 1,256,173 km (0.049 R)
• M5: 3,686,092 km (0.099 R)
• M6: 4,357,786 km (0.109 R)
• M7: 5,187,905 km (0.063 R)
• M8: 5,459,125 km (0.107 R)
• M9: 5,739,921 km (0.071 R)
• M10: 6,030,290 km (0.119 R)
• M11: 6,672,065 km (0.105 R)
• M12: 7,324,910 km (0.117 R)
• M13: 10,410,217 km (0.096 R)
• M14: 11,790,706 km (0.052 R)
• M15: 12,743,644 km (0.07 R)
• M16: 14,964,873 km (0.113 R)
• M17: 16,659,368 km (0.053 R)
• M18: 19,959,049 km (0.068 R)
• M19: 20,966,590 km (0.113 R)

Asteroid Belt

Center: 7.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.1

Radius: 4.9

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.91 AU - 10.35 AU

Year: 19928 Days

Day: 20.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,831,507 km

• M1: 60,886 km (0.118 R)
• M2: 251,324 km (0.109 R)
• M3: 453,431 km (0.081 R)
• M4: 849,566 km (0.086 R)
• M5: 1,956,890 km (0.073 R)
• M6: 2,251,298 km (0.117 R)
• M7: 2,502,922 km (0.102 R)
• M8: 2,672,716 km (0.119 R)
• M9: 5,518,815 km (0.104 R)
• M10: 5,934,099 km (0.108 R)
• M11: 6,780,523 km (0.099 R)
• M12: 7,704,440 km (0.095 R)
• M13: 7,909,090 km (0.081 R)
• M14: 10,407,225 km (0.098 R)
• M15: 11,170,174 km (0.117 R)
• M16: 11,901,707 km (0.076 R)
• M17: 13,459,769 km (0.068 R)
• M18: 13,907,216 km (0.106 R)
• M19: 14,519,072 km (0.095 R)
• M20: 15,148,729 km (0.093 R)
• M21: 16,378,124 km (0.071 R)
• M22: 17,761,157 km (0.118 R)
• M23: 19,692,166 km (0.093 R)
• M24: 22,065,237 km (0.113 R)
• M25: 22,687,115 km (0.087 R)
• M26: 37,701,356 km (0.062 R)
• M27: 52,341,153 km (0.092 R)
• M28: 52,707,668 km (0.119 R)
• M29: 54,942,361 km (0.039 R)
• M30: 64,513,334 km (0.092 R)
• M31: 67,284,335 km (0.077 R)
• M32: 69,248,555 km (0.112 R)
• M33: 70,356,178 km (0.094 R)
• M34: 71,475,469 km (0.092 R)
• M35: 72,834,267 km (0.079 R)
• M36: 75,603,473 km (0.088 R)
• M37: 78,202,586 km (0.054 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit