🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 8.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.6 AU - 0.74 AU

Year: 366 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,441,831 km

• M1: 103,223 km (0.079 R)
• M2: 389,403 km (0.029 R)
• M3: 658,380 km (0.047 R)
• M4: 937,231 km (0.103 R)
• M5: 1,219,671 km (0.118 R)
• M6: 1,530,087 km (0.07 R)
• M7: 1,872,816 km (0.062 R)
• M8: 2,258,479 km (0.042 R)
• M9: 2,609,884 km (0.066 R)
• M10: 3,083,212 km (0.105 R)
• M11: 3,485,481 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 12.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.9 AU - 1.04 AU

Year: 637 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,441,831 km

• M1: 158,275 km (0.069 R)
• M2: 572,960 km (0.056 R)
• M3: 1,033,123 km (0.062 R)
• M4: 1,447,210 km (0.119 R)
• M5: 1,871,320 km (0.098 R)
• M6: 2,270,896 km (0.11 R)
• M7: 2,717,146 km (0.072 R)
• M8: 3,172,672 km (0.09 R)
• M9: 3,638,370 km (0.12 R)
• M10: 4,532,666 km (0.117 R)
• M11: 4,973,232 km (0.108 R)
• M12: 6,172,109 km (0.087 R)
• M13: 7,115,772 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 10.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.12 AU - 1.62 AU

Year: 1069 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,441,831 km

• M1: 134,488 km (0.1 R)
• M2: 591,510 km (0.114 R)
• M3: 1,081,593 km (0.093 R)
• M4: 1,518,269 km (0.077 R)
• M5: 2,165,728 km (0.11 R)
• M6: 5,265,695 km (0.065 R)
• M7: 5,648,516 km (0.115 R)
• M8: 7,469,122 km (0.115 R)
• M9: 8,404,558 km (0.113 R)
• M10: 9,013,571 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 10.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.28 AU - 1.64 AU

Year: 1176 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,441,831 km

• M1: 127,308 km (0.105 R)
• M2: 470,635 km (0.072 R)
• M3: 1,234,631 km (0.115 R)
• M4: 1,996,683 km (0.102 R)
• M5: 2,356,615 km (0.116 R)
• M6: 3,058,678 km (0.037 R)
• M7: 3,378,967 km (0.082 R)
• M8: 4,445,899 km (0.072 R)
• M9: 6,193,202 km (0.081 R)
• M10: 6,901,997 km (0.083 R)
• M11: 8,089,804 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 9.5

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.68 AU - 3.3 AU

Year: 3448 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,441,831 km

• M1: 118,332 km (0.036 R)
• M2: 499,208 km (0.072 R)
• M3: 864,376 km (0.103 R)
• M4: 1,336,807 km (0.089 R)
• M5: 1,717,982 km (0.101 R)
• M6: 2,229,756 km (0.025 R)
• M7: 2,538,377 km (0.107 R)
• M8: 3,185,836 km (0.111 R)
• M9: 3,518,392 km (0.069 R)
• M10: 3,852,594 km (0.114 R)
• M11: 4,347,015 km (0.093 R)
• M12: 5,435,489 km (0.118 R)
• M13: 7,378,466 km (0.098 R)
• M14: 8,322,878 km (0.042 R)
• M15: 8,957,472 km (0.12 R)
• M16: 11,869,544 km (0.117 R)
• M17: 12,625,312 km (0.099 R)
• M18: 13,716,629 km (0.049 R)
• M19: 16,429,137 km (0.056 R)
• M20: 16,776,952 km (0.114 R)
• M21: 17,850,168 km (0.085 R)
• M22: 18,841,852 km (0.112 R)
• M23: 20,598,131 km (0.089 R)
• M24: 21,070,710 km (0.09 R)
• M25: 24,811,106 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.2

Radius: 9.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.08 AU - 5.44 AU

Year: 6925 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,441,831 km

• M1: 123,119 km (0.111 R)
• M2: 441,463 km (0.095 R)
• M3: 919,279 km (0.059 R)
• M4: 1,229,694 km (0.09 R)
• M5: 1,825,842 km (0.11 R)
• M6: 2,269,699 km (0.089 R)
• M7: 7,400,607 km (0.093 R)
• M8: 8,250,023 km (0.062 R)
• M9: 9,012,524 km (0.093 R)
• M10: 10,020,963 km (0.109 R)
• M11: 11,406,987 km (0.102 R)
• M12: 13,448,400 km (0.117 R)
• M13: 16,050,954 km (0.082 R)
• M14: 21,149,997 km (0.097 R)
• M15: 23,775,590 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 8

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.06 AU - 5.72 AU

Year: 8345 Days

Day: 8.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,441,831 km

• M1: 99,483 km (0.104 R)
• M2: 382,971 km (0.104 R)
• M3: 640,728 km (0.047 R)
• M4: 1,601,146 km (0.072 R)
• M5: 2,172,610 km (0.087 R)
• M6: 3,521,534 km (0.088 R)
• M7: 5,198,676 km (0.119 R)
• M8: 7,154,369 km (0.115 R)
• M9: 8,083,970 km (0.063 R)
• M10: 9,091,960 km (0.092 R)
• M11: 10,034,427 km (0.093 R)
• M12: 11,144,892 km (0.102 R)
• M13: 12,903,116 km (0.105 R)
• M14: 14,399,842 km (0.068 R)
• M15: 14,965,921 km (0.115 R)
• M16: 18,093,563 km (0.062 R)
• M17: 19,503,673 km (0.095 R)
• M18: 19,809,750 km (0.112 R)
• M19: 20,118,819 km (0.063 R)
• M20: 21,145,958 km (0.11 R)
• M21: 21,468,940 km (0.09 R)
• M22: 23,735,797 km (0.106 R)
• M23: 25,151,740 km (0.095 R)
• M24: 28,151,327 km (0.106 R)
• M25: 28,542,227 km (0.107 R)
• M26: 30,551,625 km (0.073 R)
• M27: 33,085,065 km (0.087 R)
• M28: 33,739,705 km (0.048 R)
• M29: 39,656,900 km (0.113 R)
• M30: 40,519,481 km (0.076 R)
• M31: 40,893,027 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 10,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit