🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 15

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,645,810 km

• M1: 187,147 km (0.115 R)
• M2: 735,722 km (0.097 R)
• M3: 1,573,321 km (0.071 R)
• M4: 2,527,905 km (0.11 R)
• M5: 3,034,742 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 9.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.79 AU - 0.85 AU

Year: 495 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,645,810 km

• M1: 120,725 km (0.062 R)
• M2: 478,115 km (0.053 R)
• M3: 794,365 km (0.113 R)
• M4: 1,552,676 km (0.029 R)
• M5: 2,718,193 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.9

Radius: 8.7

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.84 AU - 2.52 AU

Year: 2146 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,645,810 km

• M1: 108,309 km (0.114 R)
• M2: 413,638 km (0.098 R)
• M3: 694,882 km (0.108 R)
• M4: 1,916,050 km (0.062 R)
• M5: 2,508,607 km (0.101 R)
• M6: 3,629,693 km (0.069 R)
• M7: 3,936,369 km (0.042 R)
• M8: 4,365,116 km (0.106 R)
• M9: 5,340,494 km (0.099 R)
• M10: 5,892,660 km (0.105 R)
• M11: 9,170,649 km (0.095 R)
• M12: 9,597,152 km (0.059 R)
• M13: 11,274,743 km (0.116 R)
• M14: 11,888,992 km (0.12 R)
• M15: 12,183,101 km (0.078 R)
• M16: 13,958,379 km (0.093 R)
• M17: 17,577,002 km (0.093 R)
• M18: 18,180,031 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 9.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.09 AU - 5.09 AU

Year: 6558 Days

Day: 11.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,645,810 km

• M1: 115,639 km (0.112 R)
• M2: 721,511 km (0.079 R)
• M3: 1,074,412 km (0.111 R)
• M4: 1,860,549 km (0.107 R)
• M5: 2,384,291 km (0.027 R)
• M6: 3,321,522 km (0.063 R)
• M7: 4,128,901 km (0.053 R)
• M8: 6,038,518 km (0.073 R)
• M9: 7,237,395 km (0.064 R)
• M10: 7,600,021 km (0.109 R)
• M11: 8,935,780 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 10.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.94 AU - 5.16 AU

Year: 7568 Days

Day: 6.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,645,810 km

• M1: 137,331 km (0.092 R)
• M2: 751,131 km (0.093 R)
• M3: 1,284,896 km (0.112 R)
• M4: 2,091,677 km (0.113 R)
• M5: 2,437,996 km (0.097 R)
• M6: 2,804,511 km (0.1 R)
• M7: 3,187,931 km (0.064 R)
• M8: 3,628,347 km (0.072 R)
• M9: 4,606,567 km (0.085 R)
• M10: 5,514,776 km (0.094 R)
• M11: 6,343,249 km (0.099 R)
• M12: 10,015,129 km (0.089 R)
• M13: 11,105,248 km (0.079 R)
• M14: 12,072,548 km (0.111 R)
• M15: 12,474,966 km (0.086 R)
• M16: 13,200,516 km (0.089 R)
• M17: 16,023,727 km (0.093 R)
• M18: 16,448,735 km (0.115 R)
• M19: 17,640,431 km (0.071 R)
• M20: 18,422,080 km (0.115 R)
• M21: 19,294,834 km (0.081 R)
• M22: 20,194,965 km (0.11 R)
• M23: 28,430,627 km (0.101 R)
• M24: 28,964,541 km (0.102 R)
• M25: 30,979,475 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 8.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.56 AU - 6.08 AU

Year: 8183 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,645,810 km

• M1: 110,702 km (0.106 R)
• M2: 518,955 km (0.093 R)
• M3: 801,994 km (0.059 R)
• M4: 1,099,395 km (0.108 R)
• M5: 2,524,464 km (0.085 R)
• M6: 3,665,148 km (0.107 R)
• M7: 4,082,526 km (0.078 R)
• M8: 4,434,081 km (0.058 R)
• M9: 5,198,526 km (0.081 R)
• M10: 5,499,816 km (0.097 R)
• M11: 7,152,573 km (0.118 R)
• M12: 8,917,828 km (0.088 R)
• M13: 9,310,971 km (0.059 R)
• M14: 9,922,378 km (0.113 R)
• M15: 10,734,844 km (0.074 R)
• M16: 11,089,840 km (0.083 R)
• M17: 12,934,681 km (0.094 R)
• M18: 13,336,949 km (0.049 R)
• M19: 14,061,003 km (0.118 R)
• M20: 15,251,503 km (0.113 R)
• M21: 19,355,421 km (0.087 R)
• M22: 26,805,994 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.6

Radius: 5.7

Gravity: 25.26 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.46 AU - 8.94 AU

Year: 15659 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,645,810 km

• M1: 72,705 km (0.065 R)
• M2: 275,709 km (0.099 R)
• M3: 661,671 km (0.107 R)
• M4: 960,867 km (0.08 R)
• M5: 1,691,952 km (0.045 R)
• M6: 2,133,565 km (0.118 R)
• M7: 2,672,117 km (0.096 R)
• M8: 3,296,987 km (0.047 R)
• M9: 4,559,145 km (0.053 R)
• M10: 4,936,879 km (0.11 R)
• M11: 6,032,684 km (0.105 R)
• M12: 7,420,204 km (0.052 R)
• M13: 8,540,243 km (0.108 R)
• M14: 9,328,923 km (0.102 R)
• M15: 9,713,091 km (0.1 R)
• M16: 10,454,498 km (0.112 R)
• M17: 11,479,991 km (0.096 R)
• M18: 11,667,736 km (0.103 R)
• M19: 12,373,689 km (0.119 R)
• M20: 13,450,644 km (0.029 R)
• M21: 14,957,244 km (0.115 R)
• M22: 16,893,340 km (0.063 R)
• M23: 20,695,669 km (0.104 R)
• M24: 22,893,411 km (0.04 R)
• M25: 31,991,505 km (0.079 R)
• M26: 32,239,239 km (0.111 R)
• M27: 44,453,606 km (0.073 R)
• M28: 49,729,474 km (0.105 R)
• M29: 51,917,492 km (0.103 R)
• M30: 54,697,469 km (0.057 R)
• M31: 61,694,461 km (0.051 R)
• M32: 62,463,993 km (0.082 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: 190 - 18,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit