🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.2

Radius: 13.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,126,063 km

• M1: 170,392 km (0.112 R)
• M2: 621,878 km (0.092 R)
• M3: 1,328,130 km (0.083 R)
• M4: 1,858,454 km (0.074 R)
• M5: 2,421,391 km (0.082 R)
• M6: 2,858,666 km (0.095 R)
• M7: 3,572,098 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 14.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.62 AU - 1.84 AU

Year: 1517 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,126,063 km

• M1: 185,501 km (0.089 R)
• M2: 679,922 km (0.114 R)
• M3: 1,229,246 km (0.101 R)
• M4: 2,003,415 km (0.047 R)
• M5: 2,576,225 km (0.08 R)
• M6: 3,149,334 km (0.075 R)
• M7: 3,807,266 km (0.116 R)
• M8: 4,457,269 km (0.034 R)
• M9: 5,180,724 km (0.067 R)
• M10: 5,838,506 km (0.098 R)
• M11: 7,405,693 km (0.073 R)
• M12: 8,212,624 km (0.117 R)
• M13: 8,730,831 km (0.111 R)
• M14: 9,335,805 km (0.112 R)
• M15: 10,417,996 km (0.112 R)
• M16: 11,395,019 km (0.041 R)
• M17: 11,963,641 km (0.082 R)
• M18: 14,606,138 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 11.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.27 AU - 2.33 AU

Year: 2326 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,126,063 km

• M1: 143,913 km (0.105 R)
• M2: 543,339 km (0.06 R)
• M3: 1,096,852 km (0.044 R)
• M4: 1,583,493 km (0.063 R)
• M5: 1,938,489 km (0.117 R)
• M6: 2,946,480 km (0.109 R)
• M7: 3,312,246 km (0.104 R)
• M8: 4,102,273 km (0.105 R)
• M9: 4,652,494 km (0.065 R)
• M10: 5,372,957 km (0.08 R)
• M11: 6,234,192 km (0.08 R)
• M12: 6,745,667 km (0.063 R)
• M13: 7,643,105 km (0.042 R)
• M14: 8,618,333 km (0.071 R)
• M15: 9,195,033 km (0.089 R)
• M16: 9,797,165 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 8.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.3 AU - 4 AU

Year: 4650 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,126,063 km

• M1: 109,506 km (0.078 R)
• M2: 405,111 km (0.108 R)
• M3: 801,695 km (0.091 R)
• M4: 1,193,791 km (0.071 R)
• M5: 1,711,549 km (0.05 R)
• M6: 2,121,747 km (0.108 R)
• M7: 2,951,416 km (0.086 R)
• M8: 4,024,033 km (0.049 R)
• M9: 4,345,369 km (0.107 R)
• M10: 5,039,803 km (0.108 R)
• M11: 5,337,502 km (0.062 R)
• M12: 6,133,662 km (0.041 R)
• M13: 6,826,001 km (0.112 R)
• M14: 7,222,136 km (0.103 R)
• M15: 8,713,478 km (0.09 R)
• M16: 10,720,931 km (0.106 R)
• M17: 13,533,671 km (0.088 R)
• M18: 16,585,617 km (0.08 R)
• M19: 16,969,186 km (0.09 R)
• M20: 18,040,306 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 13.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.32 AU - 5.72 AU

Year: 8648 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,126,063 km

• M1: 165,455 km (0.082 R)
• M2: 644,168 km (0.111 R)
• M3: 2,322,657 km (0.095 R)
• M4: 2,878,562 km (0.104 R)
• M5: 7,073,586 km (0.114 R)
• M6: 8,805,929 km (0.074 R)
• M7: 9,512,929 km (0.089 R)
• M8: 10,806,202 km (0.096 R)
• M9: 11,912,778 km (0.081 R)
• M10: 14,070,877 km (0.09 R)
• M11: 16,789,519 km (0.098 R)
• M12: 18,740,873 km (0.101 R)
• M13: 19,285,858 km (0.117 R)
• M14: 23,167,773 km (0.057 R)
• M15: 23,875,072 km (0.119 R)
• M16: 28,514,701 km (0.11 R)
• M17: 31,857,615 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.2

Radius: 5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.03 AU - 6.81 AU

Year: 10848 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,126,063 km

• M1: 62,382 km (0.1 R)
• M2: 473,477 km (0.076 R)
• M3: 656,585 km (0.109 R)
• M4: 932,444 km (0.109 R)
• M5: 1,160,580 km (0.112 R)
• M6: 1,425,369 km (0.073 R)
• M7: 1,619,247 km (0.099 R)
• M8: 2,174,106 km (0.083 R)
• M9: 3,156,515 km (0.08 R)
• M10: 5,627,124 km (0.101 R)
• M11: 6,181,085 km (0.068 R)
• M12: 6,350,729 km (0.081 R)
• M13: 7,980,747 km (0.088 R)
• M14: 9,642,032 km (0.104 R)
• M15: 10,385,832 km (0.119 R)
• M16: 11,520,981 km (0.042 R)
• M17: 14,151,809 km (0.04 R)
• M18: 15,857,823 km (0.101 R)
• M19: 16,048,411 km (0.067 R)
• M20: 16,369,448 km (0.064 R)
• M21: 18,177,338 km (0.066 R)
• M22: 18,950,460 km (0.063 R)
• M23: 25,855,000 km (0.056 R)
• M24: 26,563,196 km (0.085 R)
• M25: 26,922,082 km (0.12 R)
• M26: 27,925,883 km (0.114 R)
• M27: 28,203,836 km (0.082 R)
• M28: 29,239,053 km (0.056 R)
• M29: 29,621,725 km (0.111 R)
• M30: 33,529,221 km (0.071 R)
• M31: 34,265,093 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36

Radius: 6.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.33 AU - 8.63 AU

Year: 12297 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,126,063 km

• M1: 81,381 km (0.025 R)
• M2: 324,179 km (0.081 R)
• M3: 894,745 km (0.102 R)
• M4: 1,805,796 km (0.065 R)
• M5: 2,078,962 km (0.106 R)
• M6: 2,294,682 km (0.115 R)
• M7: 2,819,920 km (0.101 R)
• M8: 3,822,674 km (0.083 R)
• M9: 5,213,785 km (0.107 R)
• M10: 10,125,083 km (0.069 R)
• M11: 12,160,961 km (0.11 R)
• M12: 13,366,570 km (0.063 R)
• M13: 14,649,970 km (0.09 R)
• M14: 15,857,823 km (0.067 R)
• M15: 16,592,349 km (0.088 R)
• M16: 16,860,129 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.6

Radius: 7.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.72 AU - 10.8 AU

Year: 23537 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,126,063 km

• M1: 101,278 km (0.096 R)
• M2: 594,053 km (0.116 R)
• M3: 955,781 km (0.053 R)
• M4: 2,594,476 km (0.11 R)
• M5: 3,437,460 km (0.057 R)
• M6: 5,027,685 km (0.113 R)
• M7: 6,663,987 km (0.065 R)
• M8: 10,828,492 km (0.074 R)
• M9: 12,773,414 km (0.06 R)
• M10: 15,386,291 km (0.115 R)
• M11: 17,750,835 km (0.099 R)
• M12: 28,036,885 km (0.066 R)
• M13: 29,405,107 km (0.062 R)
• M14: 37,190,031 km (0.063 R)
• M15: 45,775,452 km (0.032 R)
• M16: 59,771,380 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 16,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit