🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 14.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,695,268 km

• M1: 185,352 km (0.073 R)
• M2: 667,954 km (0.082 R)
• M3: 1,183,768 km (0.038 R)
• M4: 1,787,994 km (0.108 R)
• M5: 2,563,210 km (0.068 R)
• M6: 3,245,077 km (0.103 R)
• M7: 3,919,315 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 9.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.67 AU - 0.77 AU

Year: 407 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,695,268 km

• M1: 123,119 km (0.046 R)
• M2: 443,857 km (0.094 R)
• M3: 881,879 km (0.093 R)
• M4: 1,293,722 km (0.092 R)
• M5: 1,688,661 km (0.093 R)
• M6: 2,008,351 km (0.115 R)
• M7: 2,360,505 km (0.038 R)
• M8: 2,725,823 km (0.045 R)
• M9: 3,139,162 km (0.074 R)
• M10: 3,743,687 km (0.079 R)
• M11: 4,067,865 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,695,268 km

• M1: 154,235 km (0.065 R)
• M2: 554,859 km (0.109 R)
• M3: 974,780 km (0.074 R)
• M4: 1,383,481 km (0.094 R)
• M5: 2,195,349 km (0.081 R)
• M6: 3,001,382 km (0.091 R)
• M7: 3,783,330 km (0.052 R)
• M8: 4,322,930 km (0.097 R)
• M9: 4,855,199 km (0.065 R)
• M10: 5,305,937 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 11.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.98 AU - 1.6 AU

Year: 977 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,695,268 km

• M1: 148,102 km (0.114 R)
• M2: 559,795 km (0.086 R)
• M3: 961,914 km (0.114 R)
• M4: 1,380,788 km (0.082 R)
• M5: 1,885,831 km (0.119 R)
• M6: 2,882,601 km (0.087 R)
• M7: 3,330,198 km (0.064 R)
• M8: 3,793,802 km (0.108 R)
• M9: 4,383,517 km (0.074 R)
• M10: 5,567,434 km (0.045 R)
• M11: 6,374,066 km (0.108 R)
• M12: 7,839,527 km (0.092 R)
• M13: 8,691,487 km (0.118 R)
• M14: 9,377,243 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.1

Radius: 12.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.27 AU - 5.31 AU

Year: 6991 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,695,268 km

• M1: 160,967 km (0.045 R)
• M2: 965,505 km (0.068 R)
• M3: 1,569,730 km (0.086 R)
• M4: 3,087,999 km (0.08 R)
• M5: 3,839,280 km (0.106 R)
• M6: 4,940,170 km (0.113 R)
• M7: 6,186,171 km (0.079 R)
• M8: 10,497,731 km (0.109 R)
• M9: 12,106,208 km (0.104 R)
• M10: 16,277,445 km (0.085 R)
• M11: 20,943,702 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.3

Radius: 11.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.58 AU - 5.02 AU

Year: 7013 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,695,268 km

• M1: 148,102 km (0.114 R)
• M2: 625,319 km (0.068 R)
• M3: 1,015,022 km (0.116 R)
• M4: 1,641,687 km (0.105 R)
• M5: 2,907,435 km (0.055 R)
• M6: 3,417,863 km (0.108 R)
• M7: 4,250,973 km (0.095 R)
• M8: 4,644,116 km (0.102 R)
• M9: 5,214,832 km (0.06 R)
• M10: 6,587,393 km (0.082 R)
• M11: 7,910,436 km (0.113 R)
• M12: 8,400,519 km (0.112 R)
• M13: 8,799,796 km (0.101 R)
• M14: 9,249,786 km (0.079 R)
• M15: 10,904,638 km (0.065 R)
• M16: 11,869,993 km (0.065 R)
• M17: 12,796,153 km (0.119 R)
• M18: 13,620,737 km (0.118 R)
• M19: 14,223,915 km (0.097 R)
• M20: 15,002,871 km (0.036 R)
• M21: 16,140,862 km (0.099 R)
• M22: 17,924,817 km (0.093 R)
• M23: 19,268,355 km (0.114 R)
• M24: 19,773,099 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.7

Radius: 7.5

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.01 AU - 12.79 AU

Year: 23998 Days

Day: 23 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,695,268 km

• M1: 93,199 km (0.035 R)
• M2: 498,311 km (0.09 R)
• M3: 1,292,825 km (0.1 R)
• M4: 2,825,904 km (0.037 R)
• M5: 3,139,910 km (0.098 R)
• M6: 3,390,486 km (0.071 R)
• M7: 4,778,904 km (0.096 R)
• M8: 5,907,022 km (0.113 R)
• M9: 12,078,831 km (0.101 R)
• M10: 13,193,036 km (0.081 R)
• M11: 13,775,271 km (0.112 R)
• M12: 15,305,508 km (0.116 R)
• M13: 17,720,765 km (0.082 R)
• M14: 17,984,207 km (0.053 R)
• M15: 18,519,169 km (0.12 R)
• M16: 19,997,495 km (0.076 R)
• M17: 21,156,729 km (0.062 R)
• M18: 22,978,532 km (0.096 R)
• M19: 26,585,786 km (0.039 R)
• M20: 29,928,550 km (0.05 R)
• M21: 32,480,839 km (0.087 R)
• M22: 36,292,743 km (0.074 R)
• M23: 39,042,800 km (0.046 R)
• M24: 44,628,635 km (0.101 R)
• M25: 45,444,392 km (0.077 R)
• M26: 50,021,339 km (0.072 R)
• M27: 53,970,723 km (0.113 R)
• M28: 54,710,484 km (0.092 R)
• M29: 55,832,768 km (0.065 R)
• M30: 56,970,310 km (0.079 R)
• M31: 58,123,111 km (0.063 R)
• M32: 59,487,743 km (0.046 R)
• M33: 60,873,468 km (0.081 R)
• M34: 61,876,522 km (0.072 R)
• M35: 64,743,266 km (0.111 R)
• M36: 69,643,344 km (0.052 R)
• M37: 71,848,865 km (0.082 R)
• M38: 75,704,152 km (0.109 R)
• M39: 77,331,029 km (0.108 R)
• M40: 77,800,018 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 16,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit