🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.86 AU - 1.36 AU

Year: 413 Days

Day: 40.1 Hours

Environment

Temp: 35 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 108,041,215 km

• M1: 47,722 km (0.028 R)
• M2: 221,554 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.35 AU - 1.97 AU

Year: 755 Days

Day: 42.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,041,215 km

• M1: 242,049 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.02 AU - 2.78 AU

Year: 1313 Days

Day: 48 Hours

Environment

Temp: -82 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.37 AU - 3.05 AU

Year: 1575 Days

Day: 12.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 8.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 11.21 AU - 13.93 AU

Year: 15736 Days

Day: 12.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 108,041,215 km

• M1: 103,821 km (0.058 R)
• M2: 575,503 km (0.087 R)
• M3: 1,127,370 km (0.12 R)
• M4: 1,609,075 km (0.085 R)
• M5: 2,091,378 km (0.085 R)
• M6: 4,528,328 km (0.075 R)
• M7: 5,615,455 km (0.098 R)
• M8: 9,322,790 km (0.069 R)
• M9: 10,722,128 km (0.11 R)
• M10: 11,268,759 km (0.111 R)
• M11: 14,166,170 km (0.08 R)
• M12: 16,526,226 km (0.064 R)
• M13: 23,715,002 km (0.12 R)
• M14: 30,622,834 km (0.087 R)
• M15: 31,520,421 km (0.095 R)
• M16: 32,744,281 km (0.083 R)
• M17: 34,105,622 km (0.102 R)
• M18: 35,178,089 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.5

Radius: 4.5

Gravity: 46.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 12.18 AU - 16.68 AU

Year: 19355 Days

Day: 21.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 108,041,215 km

• M1: 55,950 km (0.111 R)
• M2: 238,010 km (0.069 R)
• M3: 421,417 km (0.109 R)
• M4: 759,359 km (0.076 R)
• M5: 1,158,935 km (0.069 R)
• M6: 2,014,784 km (0.086 R)
• M7: 3,033,695 km (0.092 R)
• M8: 3,458,553 km (0.117 R)
• M9: 4,495,865 km (0.109 R)
• M10: 6,151,165 km (0.109 R)
• M11: 11,177,355 km (0.115 R)
• M12: 12,392,089 km (0.069 R)
• M13: 14,921,640 km (0.081 R)
• M14: 15,080,363 km (0.096 R)
• M15: 20,973,023 km (0.025 R)
• M16: 21,172,138 km (0.068 R)
• M17: 21,675,684 km (0.08 R)
• M18: 22,602,144 km (0.082 R)
• M19: 28,721,445 km (0.085 R)
• M20: 29,964,005 km (0.074 R)
• M21: 30,854,860 km (0.072 R)
• M22: 34,180,570 km (0.113 R)
• M23: 35,434,051 km (0.054 R)
• M24: 38,180,219 km (0.088 R)
• M25: 39,377,750 km (0.067 R)
• M26: 41,220,646 km (0.073 R)
• M27: 42,163,262 km (0.119 R)
• M28: 44,747,117 km (0.054 R)
• M29: 47,950,306 km (0.105 R)
• M30: 48,469,561 km (0.043 R)
• M31: 48,643,543 km (0.055 R)
• M32: 54,619,978 km (0.089 R)
• M33: 59,859,344 km (0.076 R)
• M34: 63,740,661 km (0.096 R)
• M35: 65,423,936 km (0.117 R)
• M36: 67,352,701 km (0.099 R)
• M37: 69,539,822 km (0.054 R)
• M38: 69,982,931 km (0.065 R)
• M39: 74,517,243 km (0.072 R)
• M40: 78,762,232 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.9

Radius: 4.3

Gravity: 53.05 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 16.54 AU - 20.62 AU

Year: 28279 Days

Day: 23.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 108,041,215 km

• M1: 55,650 km (0.087 R)
• M2: 279,898 km (0.078 R)
• M3: 432,637 km (0.1 R)
• M4: 1,172,249 km (0.105 R)
• M5: 1,546,244 km (0.096 R)
• M6: 1,929,663 km (0.119 R)
• M7: 2,742,129 km (0.04 R)
• M8: 2,998,390 km (0.114 R)
• M9: 3,208,725 km (0.11 R)
• M10: 4,041,087 km (0.106 R)
• M11: 5,008,238 km (0.104 R)
• M12: 5,479,172 km (0.085 R)
• M13: 6,215,941 km (0.068 R)
• M14: 6,558,221 km (0.112 R)
• M15: 7,883,808 km (0.105 R)
• M16: 9,505,449 km (0.108 R)
• M17: 12,758,155 km (0.066 R)
• M18: 12,914,335 km (0.088 R)
• M19: 13,471,139 km (0.083 R)
• M20: 13,714,534 km (0.115 R)
• M21: 14,717,887 km (0.068 R)
• M22: 17,152,293 km (0.09 R)
• M23: 25,418,174 km (0.055 R)
• M24: 30,260,508 km (0.08 R)
• M25: 30,399,185 km (0.056 R)
• M26: 33,412,535 km (0.041 R)
• M27: 36,461,938 km (0.104 R)
• M28: 39,525,852 km (0.103 R)
• M29: 43,458,780 km (0.115 R)
• M30: 43,635,605 km (0.03 R)
• M31: 44,526,161 km (0.086 R)
• M32: 47,644,827 km (0.056 R)
• M33: 52,291,038 km (0.11 R)
• M34: 64,287,142 km (0.091 R)
• M35: 65,208,066 km (0.11 R)
• M36: 68,739,773 km (0.026 R)
• M37: 70,674,372 km (0.074 R)
• M38: 76,695,836 km (0.059 R)
• M39: 89,460,424 km (0.12 R)
• M40: 90,607,840 km (0.082 R)
• M41: 92,932,142 km (0.067 R)
• M42: 93,225,503 km (0.105 R)
• M43: 105,470,239 km (0.1 R)
• M44: 108,041,228 km (0.09 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit