🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 8.7

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,902,798 km

• M1: 108,159 km (0.089 R)
• M2: 413,937 km (0.116 R)
• M3: 694,733 km (0.096 R)
• M4: 1,009,337 km (0.07 R)
• M5: 1,288,187 km (0.086 R)
• M6: 1,665,323 km (0.12 R)
• M7: 2,022,414 km (0.115 R)
• M8: 2,293,934 km (0.099 R)
• M9: 2,626,490 km (0.076 R)
• M10: 3,133,926 km (0.095 R)
• M11: 3,556,390 km (0.108 R)
• M12: 4,078,038 km (0.112 R)
• M13: 4,436,026 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 10.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.54 AU - 0.78 AU

Year: 364 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,902,798 km

• M1: 129,402 km (0.11 R)
• M2: 454,030 km (0.094 R)
• M3: 934,987 km (0.067 R)
• M4: 1,558,511 km (0.08 R)
• M5: 1,919,341 km (0.079 R)
• M6: 2,243,370 km (0.064 R)
• M7: 2,883,050 km (0.055 R)
• M8: 3,422,500 km (0.075 R)
• M9: 3,758,497 km (0.057 R)
• M10: 4,363,620 km (0.099 R)
• M11: 4,930,895 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403

Radius: 11.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.92 AU - 1.06 AU

Year: 668 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,902,798 km

• M1: 144,960 km (0.105 R)
• M2: 583,581 km (0.088 R)
• M3: 1,043,296 km (0.099 R)
• M4: 1,426,117 km (0.053 R)
• M5: 1,855,911 km (0.114 R)
• M6: 2,469,262 km (0.085 R)
• M7: 3,321,522 km (0.067 R)
• M8: 3,869,798 km (0.092 R)
• M9: 4,301,986 km (0.079 R)
• M10: 4,859,986 km (0.077 R)
• M11: 5,264,050 km (0.113 R)
• M12: 5,760,715 km (0.099 R)
• M13: 6,593,676 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.44 AU - 1.66 AU

Year: 1309 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,902,798 km

• M1: 111,899 km (0.104 R)
• M2: 427,252 km (0.097 R)
• M3: 844,779 km (0.03 R)
• M4: 1,710,951 km (0.055 R)
• M5: 2,095,118 km (0.06 R)
• M6: 2,394,464 km (0.119 R)
• M7: 2,944,086 km (0.086 R)
• M8: 3,292,500 km (0.081 R)
• M9: 3,875,034 km (0.071 R)
• M10: 4,329,512 km (0.03 R)
• M11: 4,894,842 km (0.101 R)
• M12: 5,345,431 km (0.11 R)
• M13: 5,654,052 km (0.093 R)
• M14: 6,420,741 km (0.104 R)
• M15: 8,794,111 km (0.1 R)
• M16: 9,254,573 km (0.093 R)
• M17: 10,286,350 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 10.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.95 AU - 2.59 AU

Year: 2320 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,902,798 km

• M1: 134,339 km (0.093 R)
• M2: 501,302 km (0.074 R)
• M3: 839,394 km (0.116 R)
• M4: 1,266,795 km (0.065 R)
• M5: 1,730,099 km (0.093 R)
• M6: 2,165,728 km (0.119 R)
• M7: 2,686,479 km (0.11 R)
• M8: 3,331,844 km (0.109 R)
• M9: 3,760,591 km (0.067 R)
• M10: 4,729,686 km (0.11 R)
• M11: 5,214,982 km (0.095 R)
• M12: 5,774,627 km (0.114 R)
• M13: 6,575,126 km (0.074 R)
• M14: 8,106,409 km (0.107 R)
• M15: 8,584,524 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 11.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.01 AU - 3.05 AU

Year: 2729 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,902,798 km

• M1: 146,756 km (0.088 R)
• M2: 575,204 km (0.105 R)
• M3: 995,424 km (0.11 R)
• M4: 1,696,290 km (0.106 R)
• M5: 2,158,398 km (0.102 R)
• M6: 2,891,577 km (0.072 R)
• M7: 3,801,880 km (0.054 R)
• M8: 4,684,807 km (0.11 R)
• M9: 5,219,470 km (0.039 R)
• M10: 6,437,047 km (0.117 R)
• M11: 7,517,891 km (0.111 R)
• M12: 9,229,291 km (0.108 R)
• M13: 10,709,712 km (0.111 R)
• M14: 11,678,358 km (0.116 R)
• M15: 12,745,290 km (0.111 R)
• M16: 15,579,122 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 9.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.74 AU - 5.88 AU

Year: 8299 Days

Day: 9.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,902,798 km

• M1: 122,371 km (0.047 R)
• M2: 983,008 km (0.097 R)
• M3: 1,291,329 km (0.109 R)
• M4: 1,597,705 km (0.085 R)
• M5: 2,077,914 km (0.116 R)
• M6: 3,695,217 km (0.092 R)
• M7: 4,875,095 km (0.109 R)
• M8: 6,744,470 km (0.094 R)
• M9: 7,839,228 km (0.112 R)
• M10: 10,377,305 km (0.114 R)
• M11: 14,351,373 km (0.112 R)
• M12: 17,208,243 km (0.034 R)
• M13: 19,093,027 km (0.112 R)
• M14: 22,212,441 km (0.081 R)
• M15: 25,218,311 km (0.11 R)
• M16: 25,832,860 km (0.115 R)
• M17: 26,277,764 km (0.115 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: 495 - 17,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit