🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.52 AU - 0.72 AU

Year: 310 Days

Day: 38.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,396,028 km

• M1: 31,864 km (0.077 R)
• M2: 42,187 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.2

Radius: 14

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.95 AU - 1.01 AU

Year: 617 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,396,028 km

• M1: 174,282 km (0.118 R)
• M2: 622,327 km (0.091 R)
• M3: 1,351,766 km (0.119 R)
• M4: 2,222,875 km (0.105 R)
• M5: 2,866,744 km (0.086 R)
• M6: 3,578,231 km (0.053 R)
• M7: 4,729,836 km (0.043 R)
• M8: 5,483,809 km (0.113 R)
• M9: 7,055,634 km (0.113 R)
• M10: 8,259,298 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 12.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.88 AU - 6.02 AU

Year: 8090 Days

Day: 5 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,396,028 km

• M1: 158,125 km (0.064 R)
• M2: 866,620 km (0.098 R)
• M3: 1,298,809 km (0.107 R)
• M4: 1,924,876 km (0.088 R)
• M5: 2,646,536 km (0.051 R)
• M6: 3,260,934 km (0.102 R)
• M7: 4,927,155 km (0.088 R)
• M8: 5,461,220 km (0.097 R)
• M9: 5,895,502 km (0.087 R)
• M10: 7,499,790 km (0.042 R)
• M11: 12,328,061 km (0.105 R)
• M12: 14,230,797 km (0.034 R)
• M13: 15,982,588 km (0.114 R)
• M14: 18,092,965 km (0.116 R)
• M15: 18,536,373 km (0.077 R)
• M16: 22,265,399 km (0.076 R)
• M17: 24,171,725 km (0.113 R)
• M18: 24,709,978 km (0.087 R)
• M19: 26,372,908 km (0.042 R)
• M20: 27,912,719 km (0.081 R)
• M21: 30,960,177 km (0.067 R)
• M22: 33,886,610 km (0.082 R)
• M23: 36,286,759 km (0.107 R)
• M24: 38,798,208 km (0.061 R)
• M25: 41,295,744 km (0.1 R)
• M26: 42,065,425 km (0.059 R)
• M27: 42,583,931 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 8.2

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.6 AU - 7.34 AU

Year: 9275 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,396,028 km

• M1: 103,522 km (0.092 R)
• M2: 485,744 km (0.087 R)
• M3: 844,929 km (0.105 R)
• M4: 1,291,778 km (0.068 R)
• M5: 3,310,451 km (0.106 R)
• M6: 5,368,320 km (0.112 R)
• M7: 6,778,579 km (0.115 R)
• M8: 7,246,072 km (0.11 R)
• M9: 8,823,731 km (0.054 R)
• M10: 9,239,763 km (0.109 R)
• M11: 9,524,298 km (0.076 R)
• M12: 10,413,209 km (0.082 R)
• M13: 12,817,695 km (0.032 R)
• M14: 15,107,739 km (0.089 R)
• M15: 16,109,297 km (0.109 R)
• M16: 17,154,388 km (0.073 R)
• M17: 21,873,303 km (0.105 R)
• M18: 24,483,188 km (0.112 R)
• M19: 27,391,071 km (0.112 R)
• M20: 28,376,023 km (0.117 R)
• M21: 30,312,418 km (0.114 R)
• M22: 33,546,724 km (0.051 R)
• M23: 38,941,523 km (0.115 R)
• M24: 40,312,138 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.3

Radius: 5.1

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.83 AU - 7.97 AU

Year: 11524 Days

Day: 15.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,396,028 km

• M1: 72,256 km (0.111 R)
• M2: 335,997 km (0.081 R)
• M3: 578,944 km (0.111 R)
• M4: 883,824 km (0.088 R)
• M5: 1,138,290 km (0.088 R)
• M6: 1,343,389 km (0.12 R)
• M7: 1,649,915 km (0.109 R)
• M8: 1,828,535 km (0.088 R)
• M9: 2,074,474 km (0.084 R)
• M10: 2,263,416 km (0.097 R)
• M11: 2,484,671 km (0.091 R)
• M12: 3,311,199 km (0.082 R)
• M13: 3,759,544 km (0.08 R)
• M14: 4,158,222 km (0.077 R)
• M15: 4,337,590 km (0.104 R)
• M16: 5,524,350 km (0.053 R)
• M17: 5,814,869 km (0.102 R)
• M18: 6,192,305 km (0.11 R)
• M19: 6,545,804 km (0.083 R)
• M20: 8,235,064 km (0.116 R)
• M21: 9,305,885 km (0.08 R)
• M22: 10,632,070 km (0.113 R)
• M23: 10,968,067 km (0.074 R)
• M24: 11,369,139 km (0.045 R)
• M25: 11,958,854 km (0.104 R)
• M26: 18,453,945 km (0.031 R)
• M27: 28,117,967 km (0.112 R)
• M28: 28,976,808 km (0.101 R)
• M29: 29,852,853 km (0.104 R)
• M30: 30,409,358 km (0.102 R)
• M31: 33,894,090 km (0.081 R)
• M32: 37,250,019 km (0.069 R)
• M33: 39,873,966 km (0.088 R)
• M34: 41,231,118 km (0.084 R)
• M35: 44,180,590 km (0.117 R)
• M36: 44,468,565 km (0.072 R)
• M37: 49,869,797 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 6.2

Gravity: 25.52 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.25 AU - 7.25 AU

Year: 12412 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,396,028 km

• M1: 106,663 km (0.055 R)
• M2: 511,326 km (0.103 R)
• M3: 960,269 km (0.116 R)
• M4: 1,210,845 km (0.072 R)
• M5: 1,676,992 km (0.069 R)
• M6: 2,613,924 km (0.047 R)
• M7: 3,661,258 km (0.088 R)
• M8: 4,340,881 km (0.102 R)
• M9: 5,136,293 km (0.1 R)
• M10: 6,142,937 km (0.037 R)
• M11: 6,630,178 km (0.119 R)
• M12: 8,441,359 km (0.092 R)
• M13: 10,445,372 km (0.095 R)
• M14: 14,857,761 km (0.079 R)
• M15: 15,364,898 km (0.051 R)
• M16: 18,321,251 km (0.108 R)
• M17: 19,672,120 km (0.086 R)
• M18: 20,019,935 km (0.109 R)
• M19: 20,817,591 km (0.051 R)
• M20: 26,367,971 km (0.094 R)
• M21: 27,541,716 km (0.115 R)
• M22: 28,861,618 km (0.099 R)
• M23: 31,271,789 km (0.076 R)
• M24: 33,195,917 km (0.092 R)
• M25: 41,682,904 km (0.055 R)
• M26: 45,054,840 km (0.096 R)
• M27: 47,193,790 km (0.108 R)
• M28: 54,015,602 km (0.057 R)
• M29: 55,212,834 km (0.12 R)
• M30: 56,953,854 km (0.071 R)
• M31: 59,452,288 km (0.104 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: 526 - 12,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit