🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 11.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.76 AU - 0.84 AU

Year: 485 Days

Day: 11.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,209,738 km

• M1: 145,559 km (0.102 R)
• M2: 528,380 km (0.033 R)
• M3: 1,457,532 km (0.101 R)
• M4: 2,249,802 km (0.109 R)
• M5: 3,068,851 km (0.078 R)
• M6: 3,729,924 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,209,738 km

• M1: 184,155 km (0.094 R)
• M2: 672,442 km (0.064 R)
• M3: 1,179,878 km (0.106 R)
• M4: 1,650,513 km (0.041 R)
• M5: 2,783,717 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 14.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.92 AU - 1.2 AU

Year: 740 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,209,738 km

• M1: 183,407 km (0.114 R)
• M2: 711,039 km (0.051 R)
• M3: 1,448,706 km (0.054 R)
• M4: 1,934,749 km (0.117 R)
• M5: 2,727,169 km (0.113 R)
• M6: 3,327,057 km (0.068 R)
• M7: 4,712,632 km (0.086 R)
• M8: 5,382,531 km (0.111 R)
• M9: 6,354,020 km (0.085 R)
• M10: 7,461,942 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 13.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.1 AU - 2.46 AU

Year: 2335 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,209,738 km

• M1: 204,799 km (0.119 R)
• M2: 1,292,825 km (0.1 R)
• M3: 2,020,618 km (0.073 R)
• M4: 2,516,236 km (0.112 R)
• M5: 3,647,046 km (0.067 R)
• M6: 5,756,376 km (0.076 R)
• M7: 6,256,781 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 9.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.88 AU - 3.2 AU

Year: 3595 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,209,738 km

• M1: 121,922 km (0.094 R)
• M2: 497,712 km (0.113 R)
• M3: 807,380 km (0.099 R)
• M4: 1,354,758 km (0.062 R)
• M5: 2,063,852 km (0.042 R)
• M6: 2,719,689 km (0.093 R)
• M7: 3,065,260 km (0.112 R)
• M8: 4,627,511 km (0.058 R)
• M9: 8,118,976 km (0.113 R)
• M10: 9,570,673 km (0.081 R)
• M11: 10,814,131 km (0.111 R)
• M12: 11,302,269 km (0.07 R)
• M13: 13,275,913 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 10.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.72 AU - 5.86 AU

Year: 8252 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,209,738 km

• M1: 143,913 km (0.102 R)
• M2: 1,444,517 km (0.11 R)
• M3: 2,523,566 km (0.052 R)
• M4: 3,182,246 km (0.1 R)
• M5: 4,841,585 km (0.109 R)
• M6: 12,582,527 km (0.066 R)
• M7: 14,201,625 km (0.041 R)
• M8: 15,091,732 km (0.076 R)
• M9: 26,136,992 km (0.118 R)
• M10: 26,665,820 km (0.112 R)
• M11: 30,960,327 km (0.115 R)
• M12: 35,372,267 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 5.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.43 AU - 5.97 AU

Year: 9230 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,209,738 km

• M1: 67,618 km (0.098 R)
• M2: 253,120 km (0.079 R)
• M3: 452,833 km (0.105 R)
• M4: 767,287 km (0.087 R)
• M5: 1,066,334 km (0.078 R)
• M6: 1,320,650 km (0.1 R)
• M7: 2,093,772 km (0.1 R)
• M8: 2,891,128 km (0.115 R)
• M9: 3,114,029 km (0.098 R)
• M10: 3,918,716 km (0.092 R)
• M11: 4,931,494 km (0.106 R)
• M12: 5,223,210 km (0.104 R)
• M13: 5,442,670 km (0.118 R)
• M14: 6,858,165 km (0.105 R)
• M15: 7,188,327 km (0.119 R)
• M16: 8,023,981 km (0.07 R)
• M17: 8,279,494 km (0.095 R)
• M18: 8,729,933 km (0.06 R)
• M19: 10,179,986 km (0.06 R)
• M20: 11,551,200 km (0.064 R)
• M21: 12,547,222 km (0.088 R)
• M22: 12,941,263 km (0.112 R)
• M23: 14,492,892 km (0.073 R)
• M24: 14,763,066 km (0.059 R)
• M25: 15,877,271 km (0.117 R)
• M26: 16,049,159 km (0.099 R)
• M27: 16,572,153 km (0.104 R)
• M28: 16,748,978 km (0.032 R)
• M29: 19,099,459 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.7

Radius: 6.5

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.03 AU - 6.87 AU

Year: 9844 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 64.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,209,738 km

• M1: 80,783 km (0.113 R)
• M2: 332,107 km (0.119 R)
• M3: 684,410 km (0.084 R)
• M4: 919,429 km (0.058 R)
• M5: 1,185,264 km (0.085 R)
• M6: 2,556,777 km (0.04 R)
• M7: 2,761,427 km (0.119 R)
• M8: 3,111,486 km (0.111 R)
• M9: 3,874,286 km (0.066 R)
• M10: 4,117,382 km (0.059 R)
• M11: 7,064,011 km (0.113 R)
• M12: 7,552,000 km (0.067 R)
• M13: 9,780,410 km (0.097 R)
• M14: 10,080,503 km (0.065 R)
• M15: 10,541,863 km (0.119 R)
• M16: 11,673,271 km (0.106 R)
• M17: 13,735,478 km (0.042 R)
• M18: 15,618,616 km (0.109 R)
• M19: 16,657,125 km (0.115 R)
• M20: 17,889,063 km (0.026 R)
• M21: 18,262,609 km (0.093 R)
• M22: 20,209,176 km (0.089 R)
• M23: 21,274,014 km (0.083 R)
• M24: 22,722,421 km (0.12 R)
• M25: 26,291,377 km (0.116 R)
• M26: 33,943,308 km (0.094 R)
• M27: 36,991,514 km (0.07 R)
• M28: 41,898,474 km (0.106 R)
• M29: 42,161,168 km (0.106 R)
• M30: 44,031,141 km (0.086 R)
• M31: 45,955,718 km (0.069 R)

Asteroid Belt

Center: 6.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.9

Radius: 6.9

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.12 AU - 8.6 AU

Year: 13543 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,209,738 km

• M1: 91,853 km (0.118 R)
• M2: 381,624 km (0.08 R)
• M3: 2,212,852 km (0.096 R)
• M4: 2,577,871 km (0.104 R)
• M5: 3,275,146 km (0.083 R)
• M6: 3,777,945 km (0.102 R)
• M7: 6,315,125 km (0.086 R)
• M8: 8,886,862 km (0.074 R)
• M9: 9,340,293 km (0.105 R)
• M10: 9,756,175 km (0.103 R)
• M11: 10,458,238 km (0.082 R)
• M12: 10,793,337 km (0.084 R)
• M13: 14,072,821 km (0.089 R)
• M14: 22,696,989 km (0.11 R)
• M15: 24,705,041 km (0.09 R)
• M16: 29,180,710 km (0.083 R)
• M17: 29,956,974 km (0.058 R)
• M18: 42,599,490 km (0.095 R)
• M19: 44,904,942 km (0.071 R)
• M20: 50,077,289 km (0.042 R)
• M21: 54,791,567 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit