🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 8.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.44 AU - 0.7 AU

Year: 292 Days

Day: 12.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,268,770 km

• M1: 103,671 km (0.109 R)
• M2: 361,728 km (0.114 R)
• M3: 639,980 km (0.087 R)
• M4: 955,033 km (0.064 R)
• M5: 1,488,648 km (0.114 R)
• M6: 1,867,430 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 12.1

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.13 AU - 2.35 AU

Year: 2274 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,268,770 km

• M1: 150,645 km (0.051 R)
• M2: 882,627 km (0.066 R)
• M3: 1,372,560 km (0.114 R)
• M4: 1,909,617 km (0.116 R)
• M5: 3,255,549 km (0.088 R)
• M6: 3,632,685 km (0.066 R)
• M7: 4,762,747 km (0.112 R)
• M8: 5,227,548 km (0.059 R)
• M9: 6,721,133 km (0.113 R)
• M10: 7,459,399 km (0.082 R)
• M11: 9,815,864 km (0.077 R)
• M12: 10,610,379 km (0.109 R)
• M13: 11,163,592 km (0.104 R)
• M14: 11,861,166 km (0.065 R)
• M15: 12,327,762 km (0.118 R)
• M16: 13,388,710 km (0.11 R)
• M17: 14,318,461 km (0.081 R)
• M18: 14,750,649 km (0.088 R)
• M19: 15,793,197 km (0.048 R)
• M20: 17,151,097 km (0.085 R)
• M21: 18,756,132 km (0.056 R)
• M22: 19,390,278 km (0.092 R)
• M23: 19,979,244 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 14.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.13 AU - 3.31 AU

Year: 3043 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,268,770 km

• M1: 179,069 km (0.072 R)
• M2: 730,337 km (0.116 R)
• M3: 1,180,028 km (0.055 R)
• M4: 1,766,601 km (0.096 R)
• M5: 2,876,169 km (0.088 R)
• M6: 4,322,331 km (0.087 R)
• M7: 4,773,967 km (0.083 R)
• M8: 6,266,505 km (0.108 R)
• M9: 6,938,050 km (0.119 R)
• M10: 7,722,092 km (0.078 R)
• M11: 8,391,094 km (0.039 R)
• M12: 9,693,194 km (0.044 R)
• M13: 11,505,423 km (0.082 R)
• M14: 13,250,781 km (0.052 R)
• M15: 14,860,604 km (0.077 R)
• M16: 17,657,037 km (0.081 R)
• M17: 18,174,496 km (0.102 R)
• M18: 19,300,220 km (0.043 R)
• M19: 20,915,129 km (0.067 R)
• M20: 21,887,066 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 8.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.9 AU - 3.98 AU

Year: 5304 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 109.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,268,770 km

• M1: 103,223 km (0.039 R)
• M2: 427,700 km (0.114 R)
• M3: 705,803 km (0.107 R)
• M4: 1,118,244 km (0.101 R)
• M5: 1,506,301 km (0.097 R)
• M6: 1,892,413 km (0.1 R)
• M7: 2,157,800 km (0.105 R)
• M8: 2,984,926 km (0.086 R)
• M9: 3,738,152 km (0.098 R)
• M10: 4,314,403 km (0.066 R)
• M11: 4,659,525 km (0.106 R)
• M12: 5,122,829 km (0.059 R)
• M13: 5,697,585 km (0.067 R)
• M14: 6,000,670 km (0.112 R)
• M15: 6,975,150 km (0.094 R)
• M16: 8,258,401 km (0.106 R)
• M17: 9,615,104 km (0.086 R)
• M18: 14,265,803 km (0.085 R)
• M19: 18,741,472 km (0.097 R)
• M20: 19,351,831 km (0.11 R)
• M21: 19,786,862 km (0.117 R)
• M22: 20,292,054 km (0.074 R)
• M23: 20,612,193 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.5

Radius: 7.2

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.6 AU - 8.28 AU

Year: 15175 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,268,770 km

• M1: 167,400 km (0.111 R)
• M2: 447,148 km (0.091 R)
• M3: 1,893,161 km (0.056 R)
• M4: 5,625,628 km (0.099 R)
• M5: 6,415,505 km (0.113 R)
• M6: 7,432,920 km (0.114 R)
• M7: 8,833,605 km (0.065 R)
• M8: 9,821,848 km (0.106 R)
• M9: 11,376,918 km (0.088 R)
• M10: 12,016,449 km (0.11 R)
• M11: 21,279,848 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.4

Radius: 7

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.98 AU - 9.2 AU

Year: 15607 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,268,770 km

• M1: 87,066 km (0.116 R)
• M2: 362,476 km (0.078 R)
• M3: 606,769 km (0.094 R)
• M4: 1,441,974 km (0.115 R)
• M5: 2,228,260 km (0.046 R)
• M6: 3,271,705 km (0.032 R)
• M7: 5,211,541 km (0.106 R)
• M8: 5,986,757 km (0.11 R)
• M9: 7,812,450 km (0.106 R)
• M10: 8,720,509 km (0.098 R)
• M11: 10,624,441 km (0.115 R)
• M12: 11,295,537 km (0.078 R)
• M13: 12,722,102 km (0.062 R)
• M14: 13,408,607 km (0.081 R)
• M15: 16,563,925 km (0.078 R)
• M16: 24,086,155 km (0.098 R)
• M17: 24,397,917 km (0.105 R)
• M18: 25,996,819 km (0.096 R)
• M19: 30,965,562 km (0.083 R)
• M20: 32,457,352 km (0.028 R)
• M21: 36,943,643 km (0.11 R)
• M22: 39,190,902 km (0.098 R)
• M23: 40,348,042 km (0.081 R)
• M24: 42,276,807 km (0.084 R)
• M25: 44,890,431 km (0.117 R)
• M26: 45,997,306 km (0.117 R)
• M27: 48,926,881 km (0.115 R)
• M28: 50,607,015 km (0.06 R)
• M29: 54,259,746 km (0.113 R)
• M30: 60,731,799 km (0.08 R)
• M31: 66,469,326 km (0.086 R)
• M32: 67,906,363 km (0.036 R)
• M33: 69,574,080 km (0.044 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 16,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit