🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 11.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.57 AU - 0.65 AU

Year: 318 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,048,411 km

• M1: 138,079 km (0.106 R)
• M2: 510,129 km (0.105 R)
• M3: 873,352 km (0.083 R)
• M4: 1,441,226 km (0.087 R)
• M5: 2,100,354 km (0.099 R)
• M6: 2,581,012 km (0.09 R)
• M7: 3,163,995 km (0.109 R)
• M8: 3,600,073 km (0.093 R)
• M9: 3,970,776 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 8.4

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,048,411 km

• M1: 104,419 km (0.072 R)
• M2: 473,328 km (0.037 R)
• M3: 839,992 km (0.06 R)
• M4: 1,196,783 km (0.042 R)
• M5: 1,569,880 km (0.104 R)
• M6: 2,110,976 km (0.08 R)
• M7: 2,411,368 km (0.112 R)
• M8: 2,842,958 km (0.119 R)
• M9: 3,154,869 km (0.05 R)
• M10: 3,537,690 km (0.104 R)
• M11: 4,003,538 km (0.086 R)
• M12: 4,552,712 km (0.068 R)
• M13: 4,890,504 km (0.083 R)
• M14: 5,229,343 km (0.087 R)
• M15: 5,583,741 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.13 AU - 1.23 AU

Year: 855 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,048,411 km

• M1: 185,352 km (0.055 R)
• M2: 703,559 km (0.092 R)
• M3: 1,445,714 km (0.117 R)
• M4: 2,111,724 km (0.075 R)
• M5: 2,592,232 km (0.116 R)
• M6: 3,081,118 km (0.051 R)
• M7: 3,646,897 km (0.104 R)
• M8: 4,498,258 km (0.102 R)
• M9: 5,287,238 km (0.101 R)
• M10: 6,209,209 km (0.079 R)
• M11: 6,980,536 km (0.104 R)
• M12: 7,839,976 km (0.117 R)
• M13: 8,662,166 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 8.6

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.2 AU - 1.5 AU

Year: 1046 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 131.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,048,411 km

• M1: 107,112 km (0.104 R)
• M2: 381,774 km (0.086 R)
• M3: 712,235 km (0.119 R)
• M4: 987,196 km (0.093 R)
• M5: 1,556,117 km (0.116 R)
• M6: 1,870,273 km (0.038 R)
• M7: 2,215,694 km (0.119 R)
• M8: 2,716,997 km (0.086 R)
• M9: 3,624,457 km (0.1 R)
• M10: 5,893,408 km (0.07 R)
• M11: 6,570,787 km (0.108 R)
• M12: 6,977,245 km (0.115 R)
• M13: 7,999,746 km (0.033 R)
• M14: 8,407,849 km (0.05 R)
• M15: 9,119,037 km (0.112 R)
• M16: 10,628,480 km (0.094 R)
• M17: 11,222,683 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644

Radius: 5.6

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.92 AU - 7.94 AU

Year: 14892 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,048,411 km

• M1: 71,657 km (0.068 R)
• M2: 301,889 km (0.074 R)
• M3: 738,864 km (0.084 R)
• M4: 1,036,863 km (0.109 R)
• M5: 1,412,353 km (0.065 R)
• M6: 2,669,574 km (0.098 R)
• M7: 3,068,402 km (0.114 R)
• M8: 3,243,731 km (0.109 R)
• M9: 3,954,919 km (0.06 R)
• M10: 4,254,414 km (0.079 R)
• M11: 7,398,512 km (0.103 R)
• M12: 8,970,936 km (0.077 R)
• M13: 9,227,197 km (0.114 R)
• M14: 9,916,394 km (0.076 R)
• M15: 12,631,446 km (0.089 R)
• M16: 15,804,716 km (0.067 R)
• M17: 17,178,922 km (0.03 R)
• M18: 17,574,309 km (0.092 R)
• M19: 27,345,444 km (0.095 R)
• M20: 29,997,515 km (0.114 R)
• M21: 32,937,262 km (0.025 R)
• M22: 37,367,603 km (0.107 R)
• M23: 39,382,088 km (0.102 R)
• M24: 41,044,869 km (0.111 R)
• M25: 46,009,424 km (0.075 R)
• M26: 50,709,639 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.3

Radius: 5

Gravity: 34.05 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.95 AU - 9.91 AU

Year: 16322 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,048,411 km

• M1: 62,233 km (0.119 R)
• M2: 230,082 km (0.102 R)
• M3: 464,801 km (0.093 R)
• M4: 791,522 km (0.087 R)
• M5: 1,951,055 km (0.077 R)
• M6: 3,201,843 km (0.084 R)
• M7: 3,856,484 km (0.11 R)
• M8: 4,874,497 km (0.094 R)
• M9: 14,206,113 km (0.118 R)
• M10: 14,946,622 km (0.065 R)
• M11: 15,173,562 km (0.07 R)
• M12: 18,511,689 km (0.058 R)
• M13: 19,664,491 km (0.098 R)
• M14: 20,397,221 km (0.097 R)
• M15: 23,004,562 km (0.117 R)
• M16: 24,440,253 km (0.047 R)
• M17: 26,482,563 km (0.095 R)
• M18: 31,026,000 km (0.096 R)
• M19: 31,892,920 km (0.114 R)
• M20: 36,198,346 km (0.104 R)
• M21: 36,607,945 km (0.077 R)
• M22: 38,560,347 km (0.083 R)
• M23: 41,023,027 km (0.107 R)
• M24: 47,716,335 km (0.064 R)
• M25: 50,721,756 km (0.119 R)
• M26: 52,097,010 km (0.116 R)
• M27: 57,847,103 km (0.063 R)
• M28: 58,219,901 km (0.096 R)
• M29: 70,163,496 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.1

Radius: 5.8

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.39 AU - 10.57 AU

Year: 16467 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,048,411 km

• M1: 72,256 km (0.081 R)
• M2: 429,196 km (0.079 R)
• M3: 701,764 km (0.082 R)
• M4: 1,355,806 km (0.112 R)
• M5: 2,048,444 km (0.089 R)
• M6: 2,550,943 km (0.072 R)
• M7: 4,486,590 km (0.078 R)
• M8: 4,722,506 km (0.082 R)
• M9: 5,480,069 km (0.081 R)
• M10: 5,788,989 km (0.119 R)
• M11: 6,109,577 km (0.109 R)
• M12: 7,187,878 km (0.082 R)
• M13: 10,110,422 km (0.114 R)
• M14: 14,748,704 km (0.094 R)
• M15: 19,902,501 km (0.091 R)
• M16: 20,356,680 km (0.102 R)
• M17: 20,910,641 km (0.094 R)
• M18: 21,379,929 km (0.104 R)
• M19: 26,032,573 km (0.103 R)
• M20: 29,639,527 km (0.038 R)
• M21: 30,590,670 km (0.103 R)
• M22: 37,274,703 km (0.097 R)
• M23: 39,085,735 km (0.099 R)
• M24: 40,808,803 km (0.089 R)
• M25: 46,598,390 km (0.091 R)
• M26: 48,208,213 km (0.057 R)
• M27: 48,862,405 km (0.103 R)
• M28: 53,958,456 km (0.082 R)
• M29: 54,486,686 km (0.106 R)
• M30: 60,149,414 km (0.078 R)
• M31: 61,480,087 km (0.077 R)
• M32: 63,219,761 km (0.052 R)
• M33: 65,590,139 km (0.052 R)
• M34: 68,635,353 km (0.073 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: 264 - 10,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit