🌌 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 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.2

Radius: 11.4

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.59 AU - 0.65 AU

Year: 326 Days

Day: 5.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,490,474 km

• M1: 141,819 km (0.082 R)
• M2: 517,010 km (0.098 R)
• M3: 916,885 km (0.093 R)
• M4: 1,411,007 km (0.11 R)
• M5: 1,984,117 km (0.072 R)
• M6: 2,582,658 km (0.108 R)
• M7: 3,231,164 km (0.063 R)
• M8: 3,946,990 km (0.117 R)
• M9: 4,343,125 km (0.074 R)
• M10: 4,942,414 km (0.043 R)
• M11: 5,372,209 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 11.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,490,474 km

• M1: 143,016 km (0.109 R)
• M2: 559,197 km (0.11 R)
• M3: 1,080,097 km (0.113 R)
• M4: 1,583,045 km (0.09 R)
• M5: 1,969,456 km (0.088 R)
• M6: 2,988,666 km (0.097 R)
• M7: 3,669,037 km (0.1 R)
• M8: 4,046,473 km (0.083 R)
• M9: 4,794,911 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 8.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.12 AU - 3.44 AU

Year: 3091 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,490,474 km

• M1: 105,616 km (0.111 R)
• M2: 670,348 km (0.101 R)
• M3: 1,562,999 km (0.086 R)
• M4: 3,178,506 km (0.093 R)
• M5: 4,403,264 km (0.104 R)
• M6: 5,687,262 km (0.076 R)
• M7: 6,260,820 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586

Radius: 12.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.03 AU - 5.71 AU

Year: 8298 Days

Day: 8.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,490,474 km

• M1: 169,494 km (0.113 R)
• M2: 679,773 km (0.082 R)
• M3: 1,208,900 km (0.053 R)
• M4: 1,692,102 km (0.05 R)
• M5: 3,189,576 km (0.114 R)
• M6: 3,639,866 km (0.092 R)
• M7: 5,014,521 km (0.115 R)
• M8: 9,978,328 km (0.052 R)
• M9: 12,800,043 km (0.092 R)
• M10: 13,365,074 km (0.088 R)
• M11: 14,912,365 km (0.117 R)
• M12: 17,728,844 km (0.025 R)
• M13: 22,714,941 km (0.083 R)
• M14: 23,126,933 km (0.09 R)
• M15: 25,616,242 km (0.063 R)
• M16: 26,242,907 km (0.053 R)
• M17: 27,340,956 km (0.09 R)
• M18: 29,335,993 km (0.095 R)
• M19: 32,873,982 km (0.104 R)
• M20: 34,909,112 km (0.11 R)
• M21: 36,124,894 km (0.036 R)
• M22: 38,524,294 km (0.103 R)
• M23: 39,229,050 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.7

Radius: 7

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.79 AU - 7.33 AU

Year: 11204 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,490,474 km

• M1: 87,066 km (0.114 R)
• M2: 1,139,786 km (0.108 R)
• M3: 1,401,882 km (0.105 R)
• M4: 1,704,219 km (0.034 R)
• M5: 1,929,513 km (0.065 R)
• M6: 2,174,854 km (0.113 R)
• M7: 2,401,794 km (0.115 R)
• M8: 2,665,535 km (0.096 R)
• M9: 3,016,641 km (0.079 R)
• M10: 4,615,693 km (0.065 R)
• M11: 6,671,467 km (0.081 R)
• M12: 7,278,385 km (0.09 R)
• M13: 8,416,376 km (0.072 R)
• M14: 8,979,911 km (0.084 R)
• M15: 9,221,961 km (0.102 R)
• M16: 10,551,886 km (0.088 R)
• M17: 10,930,668 km (0.116 R)
• M18: 12,180,707 km (0.1 R)
• M19: 17,232,029 km (0.086 R)
• M20: 21,567,076 km (0.119 R)
• M21: 22,709,705 km (0.048 R)
• M22: 23,615,669 km (0.104 R)
• M23: 26,280,456 km (0.104 R)
• M24: 28,405,943 km (0.088 R)
• M25: 30,643,478 km (0.119 R)
• M26: 32,538,734 km (0.115 R)
• M27: 32,995,905 km (0.115 R)
• M28: 33,225,986 km (0.09 R)
• M29: 40,638,860 km (0.077 R)
• M30: 42,242,848 km (0.076 R)
• M31: 44,586,897 km (0.08 R)
• M32: 47,161,776 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.1

Radius: 3.3

Gravity: 53.45 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.83 AU - 8.71 AU

Year: 13072 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,490,474 km

• M1: 42,037 km (0.084 R)
• M2: 468,391 km (0.062 R)
• M3: 2,467,467 km (0.08 R)
• M4: 5,424,269 km (0.115 R)
• M5: 6,190,360 km (0.107 R)
• M6: 6,699,292 km (0.101 R)
• M7: 10,623,244 km (0.094 R)
• M8: 13,346,075 km (0.113 R)
• M9: 13,928,310 km (0.085 R)
• M10: 14,192,350 km (0.092 R)
• M11: 14,867,186 km (0.119 R)
• M12: 16,647,401 km (0.066 R)
• M13: 17,626,968 km (0.109 R)
• M14: 19,617,517 km (0.1 R)
• M15: 24,898,621 km (0.053 R)
• M16: 38,664,318 km (0.09 R)
• M17: 43,246,052 km (0.065 R)
• M18: 43,948,862 km (0.1 R)
• M19: 44,090,382 km (0.057 R)
• M20: 48,026,302 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.5

Radius: 7.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.05 AU - 11.45 AU

Year: 18760 Days

Day: 23.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,490,474 km

• M1: 96,042 km (0.061 R)
• M2: 427,700 km (0.063 R)
• M3: 707,897 km (0.107 R)
• M4: 1,551,480 km (0.11 R)
• M5: 2,153,013 km (0.112 R)
• M6: 2,547,053 km (0.11 R)
• M7: 4,594,450 km (0.102 R)
• M8: 5,685,467 km (0.083 R)
• M9: 9,538,211 km (0.105 R)
• M10: 10,444,774 km (0.052 R)
• M11: 12,782,091 km (0.042 R)
• M12: 14,199,680 km (0.103 R)
• M13: 14,979,384 km (0.084 R)
• M14: 18,537,869 km (0.107 R)
• M15: 19,865,849 km (0.109 R)
• M16: 20,923,357 km (0.118 R)
• M17: 24,137,916 km (0.083 R)
• M18: 26,779,066 km (0.081 R)
• M19: 28,473,262 km (0.115 R)
• M20: 31,963,829 km (0.08 R)
• M21: 36,564,562 km (0.049 R)
• M22: 37,903,164 km (0.083 R)
• M23: 40,419,998 km (0.087 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit