🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.15 AU - 1.45 AU

Year: 558 Days

Day: 38.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.8 AU - 2.08 AU

Year: 1018 Days

Day: 22.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,936,786 km

• M1: 804,986 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.25 AU - 3.53 AU

Year: 1851 Days

Day: 30.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.79 AU - 4.29 AU

Year: 3059 Days

Day: 36.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592

Radius: 8.3

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.47 AU - 5.89 AU

Year: 4441 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 100,936,786 km

• M1: 103,223 km (0.106 R)
• M2: 659,876 km (0.092 R)
• M3: 938,577 km (0.11 R)
• M4: 1,267,842 km (0.06 R)
• M5: 1,602,343 km (0.106 R)
• M6: 2,799,575 km (0.114 R)
• M7: 5,349,321 km (0.071 R)
• M8: 9,984,910 km (0.095 R)
• M9: 14,807,646 km (0.095 R)
• M10: 15,350,986 km (0.093 R)
• M11: 15,907,340 km (0.116 R)
• M12: 22,445,665 km (0.109 R)
• M13: 23,017,876 km (0.06 R)
• M14: 24,793,005 km (0.104 R)
• M15: 25,558,946 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 12.2

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.36 AU - 10.62 AU

Year: 12799 Days

Day: 9.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 100,936,786 km

• M1: 151,842 km (0.087 R)
• M2: 537,505 km (0.096 R)
• M3: 927,806 km (0.082 R)
• M4: 1,563,597 km (0.1 R)
• M5: 2,009,249 km (0.05 R)
• M6: 3,138,414 km (0.108 R)
• M7: 3,973,319 km (0.063 R)
• M8: 7,201,941 km (0.106 R)
• M9: 7,927,640 km (0.114 R)
• M10: 9,955,888 km (0.111 R)
• M11: 10,343,496 km (0.034 R)
• M12: 11,567,655 km (0.086 R)
• M13: 12,499,500 km (0.112 R)
• M14: 13,280,551 km (0.086 R)
• M15: 15,084,252 km (0.079 R)
• M16: 21,105,417 km (0.116 R)
• M17: 23,165,081 km (0.12 R)
• M18: 29,685,902 km (0.072 R)
• M19: 32,751,013 km (0.114 R)
• M20: 35,120,195 km (0.118 R)
• M21: 39,227,554 km (0.081 R)
• M22: 39,641,341 km (0.112 R)
• M23: 45,743,887 km (0.109 R)
• M24: 46,355,892 km (0.07 R)
• M25: 53,283,770 km (0.065 R)
• M26: 54,131,541 km (0.102 R)
• M27: 60,687,518 km (0.065 R)
• M28: 61,426,531 km (0.105 R)
• M29: 62,358,676 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.2

Radius: 3

Gravity: 89.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.57 AU - 20.97 AU

Year: 28220 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 100,936,786 km

• M1: 42,486 km (0.052 R)
• M2: 138,228 km (0.068 R)
• M3: 332,406 km (0.11 R)
• M4: 568,921 km (0.097 R)
• M5: 971,788 km (0.1 R)
• M6: 1,082,640 km (0.111 R)
• M7: 1,595,012 km (0.103 R)
• M8: 1,852,022 km (0.102 R)
• M9: 2,001,320 km (0.101 R)
• M10: 2,348,537 km (0.1 R)
• M11: 3,312,695 km (0.072 R)
• M12: 3,533,053 km (0.065 R)
• M13: 7,093,632 km (0.073 R)
• M14: 7,248,914 km (0.077 R)
• M15: 11,691,373 km (0.105 R)
• M16: 12,574,150 km (0.111 R)
• M17: 13,659,333 km (0.06 R)
• M18: 15,144,092 km (0.037 R)
• M19: 16,013,704 km (0.107 R)
• M20: 21,614,349 km (0.066 R)
• M21: 21,940,772 km (0.095 R)
• M22: 22,939,637 km (0.041 R)
• M23: 23,507,361 km (0.108 R)
• M24: 33,328,012 km (0.105 R)
• M25: 34,350,065 km (0.083 R)
• M26: 37,541,137 km (0.102 R)
• M27: 40,428,974 km (0.076 R)
• M28: 41,256,550 km (0.083 R)
• M29: 41,926,898 km (0.055 R)
• M30: 42,264,690 km (0.079 R)
• M31: 42,774,818 km (0.101 R)
• M32: 49,220,093 km (0.096 R)
• M33: 53,065,805 km (0.1 R)
• M34: 63,768,336 km (0.091 R)
• M35: 73,593,027 km (0.069 R)
• M36: 75,821,886 km (0.093 R)
• M37: 77,840,410 km (0.106 R)
• M38: 82,248,161 km (0.035 R)
• M39: 85,187,311 km (0.08 R)
• M40: 88,749,984 km (0.11 R)
• M41: 91,557,038 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 18,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit