🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 15

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.02 AU

Year: 580 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,806,557 km

• M1: 187,745 km (0.056 R)
• M2: 923,318 km (0.109 R)
• M3: 1,505,254 km (0.111 R)
• M4: 1,992,195 km (0.095 R)
• M5: 3,202,292 km (0.083 R)
• M6: 3,701,500 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 9.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.71 AU - 1.91 AU

Year: 1712 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,806,557 km

• M1: 118,182 km (0.055 R)
• M2: 444,306 km (0.083 R)
• M3: 1,238,072 km (0.046 R)
• M4: 1,591,273 km (0.113 R)
• M5: 2,356,765 km (0.069 R)
• M6: 2,948,873 km (0.114 R)
• M7: 3,604,411 km (0.076 R)
• M8: 4,410,145 km (0.117 R)
• M9: 5,997,977 km (0.104 R)
• M10: 6,327,691 km (0.058 R)
• M11: 7,497,097 km (0.087 R)
• M12: 8,479,058 km (0.112 R)
• M13: 9,200,568 km (0.093 R)
• M14: 9,735,829 km (0.073 R)
• M15: 10,159,191 km (0.057 R)
• M16: 10,493,094 km (0.106 R)
• M17: 11,289,104 km (0.091 R)
• M18: 11,902,755 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 13.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.47 AU - 3.67 AU

Year: 3781 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 105.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,806,557 km

• M1: 195,674 km (0.111 R)
• M2: 964,457 km (0.118 R)
• M3: 1,542,204 km (0.106 R)
• M4: 2,257,282 km (0.059 R)
• M5: 2,821,565 km (0.1 R)
• M6: 3,581,074 km (0.106 R)
• M7: 4,768,432 km (0.105 R)
• M8: 5,371,162 km (0.07 R)
• M9: 6,603,699 km (0.093 R)
• M10: 7,559,330 km (0.104 R)
• M11: 9,182,916 km (0.067 R)
• M12: 9,745,254 km (0.067 R)
• M13: 10,502,219 km (0.118 R)
• M14: 14,834,424 km (0.057 R)
• M15: 17,852,262 km (0.092 R)
• M16: 20,776,003 km (0.116 R)
• M17: 22,030,381 km (0.112 R)
• M18: 22,676,045 km (0.073 R)
• M19: 25,308,369 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 11.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.15 AU - 3.93 AU

Year: 4682 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,806,557 km

• M1: 141,819 km (0.081 R)
• M2: 673,490 km (0.119 R)
• M3: 1,155,644 km (0.093 R)
• M4: 1,729,651 km (0.07 R)
• M5: 2,440,839 km (0.065 R)
• M6: 2,864,799 km (0.099 R)
• M7: 3,357,126 km (0.069 R)
• M8: 5,860,347 km (0.094 R)
• M9: 6,414,308 km (0.077 R)
• M10: 8,874,445 km (0.087 R)
• M11: 13,529,931 km (0.104 R)
• M12: 17,685,460 km (0.101 R)
• M13: 20,708,534 km (0.096 R)
• M14: 21,925,962 km (0.076 R)
• M15: 25,253,467 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 9.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.2 AU - 4.7 AU

Year: 5518 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,806,557 km

• M1: 124,316 km (0.084 R)
• M2: 531,372 km (0.108 R)
• M3: 950,694 km (0.038 R)
• M4: 1,600,398 km (0.116 R)
• M5: 2,474,498 km (0.076 R)
• M6: 4,083,723 km (0.073 R)
• M7: 4,792,667 km (0.043 R)
• M8: 5,300,103 km (0.112 R)
• M9: 5,696,837 km (0.11 R)
• M10: 6,808,498 km (0.08 R)
• M11: 7,346,602 km (0.102 R)
• M12: 7,949,332 km (0.111 R)
• M13: 8,281,589 km (0.094 R)
• M14: 9,053,065 km (0.055 R)
• M15: 9,621,237 km (0.049 R)
• M16: 9,956,486 km (0.053 R)
• M17: 10,918,700 km (0.074 R)
• M18: 11,329,795 km (0.062 R)
• M19: 11,941,800 km (0.082 R)
• M20: 12,926,154 km (0.108 R)
• M21: 14,722,525 km (0.098 R)
• M22: 15,055,979 km (0.108 R)
• M23: 15,853,784 km (0.04 R)
• M24: 16,322,025 km (0.096 R)
• M25: 16,799,691 km (0.091 R)
• M26: 17,595,552 km (0.095 R)
• M27: 22,686,218 km (0.05 R)
• M28: 23,507,211 km (0.055 R)
• M29: 28,853,540 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 5.4

Gravity: 16.62 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.56 AU - 6.74 AU

Year: 10721 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,806,557 km

• M1: 73,752 km (0.113 R)
• M2: 302,487 km (0.12 R)
• M3: 555,906 km (0.111 R)
• M4: 986,000 km (0.06 R)
• M5: 1,261,110 km (0.099 R)
• M6: 2,441,587 km (0.072 R)
• M7: 3,769,268 km (0.07 R)
• M8: 4,003,389 km (0.047 R)
• M9: 5,290,230 km (0.099 R)
• M10: 5,617,250 km (0.098 R)
• M11: 7,100,813 km (0.099 R)
• M12: 10,610,079 km (0.102 R)
• M13: 14,804,804 km (0.107 R)
• M14: 25,792,767 km (0.088 R)
• M15: 27,498,931 km (0.103 R)
• M16: 28,280,729 km (0.111 R)
• M17: 32,956,860 km (0.101 R)
• M18: 36,813,493 km (0.073 R)
• M19: 37,286,222 km (0.093 R)
• M20: 38,243,499 km (0.077 R)
• M21: 39,463,170 km (0.047 R)
• M22: 41,851,351 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 4.9

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.6 AU - 9.64 AU

Year: 17790 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,806,557 km

• M1: 61,485 km (0.073 R)
• M2: 369,507 km (0.085 R)
• M3: 1,119,590 km (0.039 R)
• M4: 1,812,677 km (0.108 R)
• M5: 2,693,659 km (0.091 R)
• M6: 5,285,143 km (0.035 R)
• M7: 7,609,445 km (0.034 R)
• M8: 9,424,965 km (0.116 R)
• M9: 23,193,205 km (0.108 R)
• M10: 27,531,992 km (0.038 R)
• M11: 34,309,374 km (0.115 R)
• M12: 37,894,936 km (0.091 R)
• M13: 41,197,758 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 13,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit