🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 12.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.74 AU - 0.84 AU

Year: 446 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,445,617 km

• M1: 154,235 km (0.098 R)
• M2: 628,012 km (0.059 R)
• M3: 1,038,808 km (0.102 R)
• M4: 1,522,757 km (0.098 R)
• M5: 2,112,621 km (0.117 R)
• M6: 2,608,239 km (0.096 R)
• M7: 3,204,536 km (0.082 R)
• M8: 4,196,968 km (0.111 R)
• M9: 4,687,649 km (0.087 R)
• M10: 5,983,167 km (0.11 R)
• M11: 6,451,558 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 12.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.16 AU - 2.32 AU

Year: 2132 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,445,617 km

• M1: 160,668 km (0.035 R)
• M2: 601,533 km (0.114 R)
• M3: 1,208,751 km (0.075 R)
• M4: 1,777,372 km (0.039 R)
• M5: 2,273,289 km (0.117 R)
• M6: 2,832,037 km (0.09 R)
• M7: 3,281,579 km (0.11 R)
• M8: 3,743,088 km (0.11 R)
• M9: 6,142,638 km (0.082 R)
• M10: 6,794,137 km (0.114 R)
• M11: 7,291,400 km (0.115 R)
• M12: 7,753,957 km (0.113 R)
• M13: 8,421,762 km (0.06 R)
• M14: 9,360,488 km (0.081 R)
• M15: 11,795,194 km (0.086 R)
• M16: 12,638,327 km (0.116 R)
• M17: 15,223,079 km (0.109 R)
• M18: 15,693,864 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 12.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.95 AU - 5.19 AU

Year: 6212 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,445,617 km

• M1: 155,432 km (0.041 R)
• M2: 726,746 km (0.067 R)
• M3: 2,229,158 km (0.112 R)
• M4: 3,605,458 km (0.111 R)
• M5: 5,327,779 km (0.084 R)
• M6: 6,267,702 km (0.071 R)
• M7: 8,584,075 km (0.113 R)
• M8: 9,405,218 km (0.11 R)
• M9: 9,835,013 km (0.067 R)
• M10: 11,031,646 km (0.108 R)
• M11: 12,230,823 km (0.046 R)
• M12: 15,151,272 km (0.097 R)
• M13: 17,848,073 km (0.064 R)
• M14: 18,569,284 km (0.115 R)
• M15: 19,247,412 km (0.117 R)
• M16: 20,392,583 km (0.115 R)
• M17: 21,180,964 km (0.109 R)
• M18: 21,650,103 km (0.116 R)
• M19: 22,332,419 km (0.059 R)
• M20: 23,240,927 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 9.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.49 AU - 6.77 AU

Year: 8494 Days

Day: 11.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,445,617 km

• M1: 123,269 km (0.041 R)
• M2: 509,381 km (0.099 R)
• M3: 859,440 km (0.114 R)
• M4: 1,192,893 km (0.111 R)
• M5: 1,882,540 km (0.068 R)
• M6: 2,244,566 km (0.085 R)
• M7: 3,756,702 km (0.057 R)
• M8: 5,733,338 km (0.072 R)
• M9: 6,205,768 km (0.069 R)
• M10: 7,483,185 km (0.115 R)
• M11: 8,560,589 km (0.115 R)
• M12: 10,504,014 km (0.119 R)
• M13: 10,878,159 km (0.09 R)
• M14: 13,043,438 km (0.06 R)
• M15: 13,751,036 km (0.104 R)
• M16: 14,656,702 km (0.117 R)
• M17: 16,274,603 km (0.095 R)
• M18: 18,141,435 km (0.062 R)
• M19: 19,230,357 km (0.075 R)
• M20: 19,861,810 km (0.085 R)
• M21: 20,362,365 km (0.119 R)
• M22: 20,871,297 km (0.083 R)
• M23: 23,307,049 km (0.091 R)
• M24: 25,926,209 km (0.117 R)
• M25: 29,192,080 km (0.072 R)
• M26: 30,213,534 km (0.105 R)
• M27: 31,354,966 km (0.074 R)
• M28: 32,229,664 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.7

Radius: 3.2

Gravity: 96.26 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.82 AU - 9.38 AU

Year: 13322 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,445,617 km

• M1: 39,793 km (0.065 R)
• M2: 139,425 km (0.085 R)
• M3: 350,209 km (0.037 R)
• M4: 532,868 km (0.111 R)
• M5: 857,495 km (0.106 R)
• M6: 1,014,573 km (0.059 R)
• M7: 1,587,682 km (0.109 R)
• M8: 1,934,300 km (0.073 R)
• M9: 2,728,516 km (0.059 R)
• M10: 2,895,467 km (0.094 R)
• M11: 5,245,649 km (0.1 R)
• M12: 6,166,873 km (0.101 R)
• M13: 6,623,147 km (0.106 R)
• M14: 7,146,141 km (0.046 R)
• M15: 8,725,445 km (0.032 R)
• M16: 9,623,182 km (0.086 R)
• M17: 10,639,101 km (0.083 R)
• M18: 10,874,269 km (0.109 R)
• M19: 13,014,416 km (0.114 R)
• M20: 13,762,855 km (0.102 R)
• M21: 13,971,843 km (0.097 R)
• M22: 14,253,685 km (0.087 R)
• M23: 17,691,594 km (0.111 R)
• M24: 18,187,960 km (0.09 R)
• M25: 19,644,893 km (0.033 R)
• M26: 23,673,414 km (0.056 R)
• M27: 24,174,866 km (0.052 R)
• M28: 30,283,097 km (0.08 R)
• M29: 31,592,677 km (0.065 R)
• M30: 31,956,200 km (0.101 R)
• M31: 36,539,579 km (0.105 R)
• M32: 37,208,880 km (0.114 R)
• M33: 37,478,755 km (0.095 R)
• M34: 44,205,872 km (0.111 R)
• M35: 53,218,096 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 6.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.31 AU - 8.81 AU

Year: 15924 Days

Day: 21 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,445,617 km

• M1: 85,570 km (0.089 R)
• M2: 681,418 km (0.119 R)
• M3: 980,016 km (0.118 R)
• M4: 1,734,737 km (0.098 R)
• M5: 1,961,078 km (0.12 R)
• M6: 2,225,268 km (0.114 R)
• M7: 2,533,440 km (0.104 R)
• M8: 3,580,924 km (0.049 R)
• M9: 4,005,333 km (0.119 R)
• M10: 4,643,219 km (0.117 R)
• M11: 5,083,036 km (0.114 R)
• M12: 8,147,549 km (0.093 R)
• M13: 9,119,636 km (0.081 R)
• M14: 10,322,851 km (0.114 R)
• M15: 11,016,986 km (0.095 R)
• M16: 12,379,673 km (0.097 R)
• M17: 13,724,408 km (0.084 R)
• M18: 14,171,855 km (0.109 R)
• M19: 16,918,023 km (0.112 R)
• M20: 17,137,334 km (0.101 R)
• M21: 20,992,471 km (0.113 R)
• M22: 21,415,683 km (0.089 R)
• M23: 21,844,580 km (0.108 R)
• M24: 31,561,560 km (0.108 R)
• M25: 33,938,371 km (0.111 R)
• M26: 34,638,789 km (0.064 R)
• M27: 39,044,895 km (0.079 R)
• M28: 39,813,828 km (0.103 R)
• M29: 42,315,403 km (0.077 R)
• M30: 44,919,902 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit