🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.16 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.97 AU - 2.67 AU

Year: 1260 Days

Day: 28.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,841,789 km

• M1: 18,251 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.27 AU - 4.41 AU

Year: 3223 Days

Day: 28.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.1

Radius: 4.4

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.62 AU - 15.74 AU

Year: 17056 Days

Day: 21.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,841,789 km

• M1: 54,902 km (0.104 R)
• M2: 275,260 km (0.091 R)
• M3: 467,942 km (0.085 R)
• M4: 1,314,367 km (0.095 R)
• M5: 2,248,007 km (0.117 R)
• M6: 2,531,944 km (0.067 R)
• M7: 3,278,138 km (0.03 R)
• M8: 4,129,200 km (0.101 R)
• M9: 4,657,281 km (0.117 R)
• M10: 5,806,193 km (0.072 R)
• M11: 6,172,408 km (0.117 R)
• M12: 6,553,733 km (0.101 R)
• M13: 6,905,737 km (0.107 R)
• M14: 7,938,860 km (0.117 R)
• M15: 8,288,021 km (0.082 R)
• M16: 9,287,634 km (0.062 R)
• M17: 9,958,880 km (0.039 R)
• M18: 10,661,990 km (0.102 R)
• M19: 12,968,939 km (0.084 R)
• M20: 13,593,659 km (0.105 R)
• M21: 20,146,345 km (0.117 R)
• M22: 20,330,351 km (0.108 R)
• M23: 24,563,970 km (0.036 R)
• M24: 26,059,650 km (0.069 R)
• M25: 26,388,017 km (0.111 R)
• M26: 27,502,073 km (0.104 R)
• M27: 33,934,332 km (0.064 R)
• M28: 34,325,680 km (0.05 R)
• M29: 35,921,590 km (0.11 R)
• M30: 38,832,017 km (0.049 R)
• M31: 39,547,394 km (0.101 R)
• M32: 50,336,692 km (0.084 R)
• M33: 51,358,146 km (0.105 R)
• M34: 52,393,363 km (0.104 R)
• M35: 54,684,006 km (0.065 R)
• M36: 58,898,626 km (0.107 R)
• M37: 60,605,089 km (0.096 R)
• M38: 61,954,761 km (0.115 R)
• M39: 62,735,064 km (0.117 R)
• M40: 64,914,555 km (0.078 R)
• M41: 66,327,358 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.9

Radius: 6.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 16.86 AU - 17.84 AU

Year: 25760 Days

Day: 22.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,841,789 km

• M1: 81,381 km (0.053 R)
• M2: 394,639 km (0.096 R)
• M3: 759,060 km (0.104 R)
• M4: 1,074,113 km (0.087 R)
• M5: 1,356,105 km (0.089 R)
• M6: 1,642,585 km (0.087 R)
• M7: 1,919,939 km (0.066 R)
• M8: 3,331,245 km (0.094 R)
• M9: 4,096,887 km (0.111 R)
• M10: 6,742,675 km (0.076 R)
• M11: 9,125,919 km (0.102 R)
• M12: 10,098,006 km (0.076 R)
• M13: 13,733,234 km (0.099 R)
• M14: 20,403,654 km (0.08 R)
• M15: 25,442,559 km (0.109 R)
• M16: 31,252,342 km (0.103 R)
• M17: 31,899,502 km (0.054 R)
• M18: 32,335,879 km (0.092 R)
• M19: 32,555,489 km (0.099 R)
• M20: 35,619,702 km (0.104 R)
• M21: 37,161,308 km (0.041 R)
• M22: 38,500,059 km (0.093 R)
• M23: 44,042,361 km (0.081 R)
• M24: 44,992,158 km (0.075 R)
• M25: 46,512,222 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.3

Radius: 4.7

Gravity: 23.69 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 13.94 AU - 21.66 AU

Year: 26769 Days

Day: 19.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,841,789 km

• M1: 58,792 km (0.074 R)
• M2: 315,801 km (0.04 R)
• M3: 628,311 km (0.097 R)
• M4: 1,284,747 km (0.106 R)
• M5: 1,931,458 km (0.102 R)
• M6: 2,269,998 km (0.101 R)
• M7: 3,646,897 km (0.039 R)
• M8: 7,547,811 km (0.111 R)
• M9: 9,511,582 km (0.098 R)
• M10: 9,689,304 km (0.064 R)
• M11: 10,484,567 km (0.062 R)
• M12: 11,060,219 km (0.071 R)
• M13: 12,697,718 km (0.088 R)
• M14: 16,023,578 km (0.093 R)
• M15: 16,359,724 km (0.111 R)
• M16: 18,111,066 km (0.108 R)
• M17: 20,275,149 km (0.107 R)
• M18: 23,889,733 km (0.088 R)
• M19: 25,334,848 km (0.117 R)
• M20: 27,192,106 km (0.072 R)
• M21: 31,045,149 km (0.09 R)
• M22: 40,119,307 km (0.109 R)
• M23: 43,280,609 km (0.083 R)
• M24: 44,425,182 km (0.078 R)
• M25: 48,153,460 km (0.071 R)
• M26: 49,382,108 km (0.09 R)
• M27: 51,901,784 km (0.059 R)
• M28: 58,375,184 km (0.116 R)
• M29: 62,010,561 km (0.083 R)
• M30: 63,464,204 km (0.072 R)
• M31: 64,304,944 km (0.101 R)
• M32: 73,585,397 km (0.053 R)
• M33: 75,448,789 km (0.045 R)
• M34: 84,223,751 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.4

Radius: 7

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 19.09 AU - 20.85 AU

Year: 31810 Days

Day: 24.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,841,789 km

• M1: 88,113 km (0.099 R)
• M2: 361,877 km (0.118 R)
• M3: 597,943 km (0.076 R)
• M4: 1,525,749 km (0.095 R)
• M5: 1,888,374 km (0.109 R)
• M6: 3,752,214 km (0.108 R)
• M7: 5,759,069 km (0.086 R)
• M8: 7,257,741 km (0.053 R)
• M9: 9,227,795 km (0.106 R)
• M10: 12,004,182 km (0.049 R)
• M11: 13,358,940 km (0.083 R)
• M12: 15,051,191 km (0.084 R)
• M13: 16,968,288 km (0.052 R)
• M14: 23,686,579 km (0.1 R)
• M15: 29,033,506 km (0.099 R)
• M16: 31,589,984 km (0.07 R)
• M17: 31,985,970 km (0.091 R)
• M18: 34,015,713 km (0.083 R)
• M19: 35,273,981 km (0.055 R)
• M20: 36,708,026 km (0.094 R)
• M21: 39,691,905 km (0.075 R)
• M22: 52,505,262 km (0.104 R)
• M23: 53,061,018 km (0.041 R)
• M24: 57,452,165 km (0.119 R)
• M25: 75,777,754 km (0.119 R)
• M26: 76,487,447 km (0.099 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 13,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit