🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 13

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,148,169 km

• M1: 161,715 km (0.074 R)
• M2: 622,028 km (0.114 R)
• M3: 1,041,500 km (0.091 R)
• M4: 1,497,774 km (0.104 R)
• M5: 1,929,663 km (0.072 R)
• M6: 2,792,394 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 8.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.55 AU - 0.83 AU

Year: 382 Days

Day: 5.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,148,169 km

• M1: 106,065 km (0.034 R)
• M2: 402,418 km (0.119 R)
• M3: 667,356 km (0.082 R)
• M4: 968,197 km (0.043 R)
• M5: 1,244,355 km (0.09 R)
• M6: 1,660,686 km (0.091 R)
• M7: 1,940,733 km (0.07 R)
• M8: 2,283,911 km (0.088 R)
• M9: 2,623,797 km (0.08 R)
• M10: 2,997,343 km (0.099 R)
• M11: 3,784,078 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130

Radius: 8.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.56 AU - 0.86 AU

Year: 399 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,148,169 km

• M1: 102,026 km (0.078 R)
• M2: 401,221 km (0.045 R)
• M3: 709,543 km (0.047 R)
• M4: 1,009,486 km (0.11 R)
• M5: 2,721,634 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 13.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.79 AU - 0.81 AU

Year: 477 Days

Day: 9.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,148,169 km

• M1: 170,392 km (0.068 R)
• M2: 625,319 km (0.109 R)
• M3: 1,271,133 km (0.107 R)
• M4: 1,763,759 km (0.095 R)
• M5: 2,356,166 km (0.105 R)
• M6: 3,381,211 km (0.071 R)
• M7: 3,864,711 km (0.105 R)
• M8: 4,576,498 km (0.113 R)
• M9: 5,221,115 km (0.088 R)
• M10: 6,224,917 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 11.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.46 AU - 2.04 AU

Year: 1544 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,148,169 km

• M1: 143,016 km (0.111 R)
• M2: 884,123 km (0.068 R)
• M3: 1,317,209 km (0.093 R)
• M4: 2,212,253 km (0.073 R)
• M5: 3,233,857 km (0.086 R)
• M6: 4,255,162 km (0.108 R)
• M7: 5,416,640 km (0.088 R)
• M8: 5,803,350 km (0.064 R)
• M9: 7,434,715 km (0.117 R)
• M10: 8,022,784 km (0.114 R)
• M11: 8,498,206 km (0.062 R)
• M12: 9,051,868 km (0.088 R)
• M13: 9,754,080 km (0.116 R)
• M14: 10,426,672 km (0.115 R)
• M15: 10,959,540 km (0.109 R)
• M16: 11,722,040 km (0.05 R)
• M17: 12,335,092 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 12.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.37 AU - 2.97 AU

Year: 2909 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,148,169 km

• M1: 161,416 km (0.065 R)
• M2: 693,536 km (0.046 R)
• M3: 1,162,974 km (0.081 R)
• M4: 1,642,884 km (0.098 R)
• M5: 2,234,843 km (0.071 R)
• M6: 3,146,791 km (0.093 R)
• M7: 3,929,038 km (0.069 R)
• M8: 6,359,705 km (0.103 R)
• M9: 7,069,247 km (0.098 R)
• M10: 8,359,978 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 13

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3 AU - 3.26 AU

Year: 3693 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,148,169 km

• M1: 162,164 km (0.099 R)
• M2: 668,702 km (0.035 R)
• M3: 1,276,369 km (0.104 R)
• M4: 1,833,472 km (0.091 R)
• M5: 2,318,917 km (0.11 R)
• M6: 3,015,444 km (0.063 R)
• M7: 3,536,643 km (0.049 R)
• M8: 5,166,512 km (0.096 R)
• M9: 6,174,503 km (0.068 R)
• M10: 7,546,614 km (0.115 R)
• M11: 8,225,041 km (0.039 R)
• M12: 11,512,304 km (0.088 R)
• M13: 14,773,239 km (0.086 R)
• M14: 16,034,648 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.5

Radius: 4.5

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.19 AU - 8.57 AU

Year: 12034 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,148,169 km

• M1: 55,950 km (0.097 R)
• M2: 711,637 km (0.104 R)
• M3: 953,537 km (0.111 R)
• M4: 1,703,321 km (0.092 R)
• M5: 3,575,688 km (0.095 R)
• M6: 4,045,874 km (0.116 R)
• M7: 5,301,898 km (0.076 R)
• M8: 11,983,388 km (0.102 R)
• M9: 13,029,376 km (0.102 R)
• M10: 13,495,822 km (0.075 R)
• M11: 17,887,268 km (0.099 R)
• M12: 20,960,906 km (0.112 R)
• M13: 29,081,078 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.5

Radius: 5.9

Gravity: 26.1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.68 AU - 8.52 AU

Year: 15373 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,148,169 km

• M1: 88,562 km (0.08 R)
• M2: 300,542 km (0.103 R)
• M3: 593,006 km (0.106 R)
• M4: 937,081 km (0.056 R)
• M5: 1,483,562 km (0.077 R)
• M6: 1,872,367 km (0.07 R)
• M7: 2,412,864 km (0.049 R)
• M8: 3,342,764 km (0.075 R)
• M9: 5,377,146 km (0.093 R)
• M10: 6,042,557 km (0.084 R)
• M11: 8,018,446 km (0.079 R)
• M12: 8,217,112 km (0.117 R)
• M13: 8,885,366 km (0.091 R)
• M14: 10,098,006 km (0.118 R)
• M15: 10,388,226 km (0.112 R)
• M16: 11,795,792 km (0.108 R)
• M17: 15,978,997 km (0.114 R)
• M18: 18,357,155 km (0.119 R)
• M19: 18,615,809 km (0.083 R)
• M20: 19,140,599 km (0.087 R)
• M21: 21,529,078 km (0.096 R)
• M22: 24,109,043 km (0.039 R)
• M23: 25,260,049 km (0.079 R)
• M24: 33,841,731 km (0.119 R)
• M25: 34,886,074 km (0.103 R)
• M26: 42,053,607 km (0.108 R)
• M27: 42,805,037 km (0.12 R)
• M28: 43,108,122 km (0.066 R)
• M29: 46,058,940 km (0.032 R)
• M30: 46,857,195 km (0.085 R)
• M31: 48,481,528 km (0.087 R)
• M32: 54,284,729 km (0.064 R)
• M33: 55,534,320 km (0.084 R)
• M34: 56,438,489 km (0.108 R)
• M35: 58,648,648 km (0.116 R)
• M36: 60,343,742 km (0.117 R)
• M37: 61,877,569 km (0.088 R)
• M38: 63,437,127 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 20,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit