🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 8.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 8 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,016,511 km

• M1: 104,419 km (0.071 R)
• M2: 370,554 km (0.037 R)
• M3: 653,144 km (0.1 R)
• M4: 1,077,553 km (0.105 R)
• M5: 1,367,773 km (0.118 R)
• M6: 1,927,718 km (0.092 R)
• M7: 2,249,354 km (0.106 R)
• M8: 2,686,030 km (0.073 R)
• M9: 3,640,763 km (0.12 R)
• M10: 3,957,911 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.85 AU - 1.17 AU

Year: 666 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,016,511 km

• M1: 166,652 km (0.12 R)
• M2: 609,761 km (0.102 R)
• M3: 1,073,215 km (0.082 R)
• M4: 1,517,820 km (0.082 R)
• M5: 1,976,038 km (0.12 R)
• M6: 2,776,387 km (0.07 R)
• M7: 3,233,109 km (0.113 R)
• M8: 3,725,735 km (0.103 R)
• M9: 4,364,069 km (0.094 R)
• M10: 5,128,065 km (0.116 R)
• M11: 5,900,290 km (0.115 R)
• M12: 7,168,580 km (0.101 R)
• M13: 7,819,630 km (0.104 R)
• M14: 8,358,482 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 8.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.29 AU - 1.43 AU

Year: 1040 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,016,511 km

• M1: 103,223 km (0.088 R)
• M2: 704,905 km (0.11 R)
• M3: 1,151,156 km (0.087 R)
• M4: 1,479,972 km (0.111 R)
• M5: 1,979,479 km (0.111 R)
• M6: 3,116,872 km (0.113 R)
• M7: 4,676,579 km (0.097 R)
• M8: 7,369,640 km (0.08 R)
• M9: 8,164,005 km (0.067 R)
• M10: 8,706,147 km (0.105 R)
• M11: 9,831,871 km (0.114 R)
• M12: 10,135,555 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 8.2

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.5 AU - 1.92 AU

Year: 1467 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,016,511 km

• M1: 108,458 km (0.061 R)
• M2: 417,528 km (0.076 R)
• M3: 939,325 km (0.076 R)
• M4: 1,200,074 km (0.05 R)
• M5: 1,524,253 km (0.062 R)
• M6: 2,135,061 km (0.086 R)
• M7: 2,522,669 km (0.037 R)
• M8: 3,252,407 km (0.094 R)
• M9: 3,633,583 km (0.051 R)
• M10: 4,058,590 km (0.11 R)
• M11: 4,470,732 km (0.084 R)
• M12: 5,695,191 km (0.104 R)
• M13: 6,443,330 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.8

Radius: 14

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.7 AU - 4.26 AU

Year: 4259 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,016,511 km

• M1: 174,581 km (0.096 R)
• M2: 739,911 km (0.079 R)
• M3: 1,394,851 km (0.066 R)
• M4: 2,148,824 km (0.067 R)
• M5: 2,654,913 km (0.105 R)
• M6: 3,607,553 km (0.081 R)
• M7: 4,549,720 km (0.052 R)
• M8: 5,012,725 km (0.082 R)
• M9: 5,854,961 km (0.035 R)
• M10: 6,341,603 km (0.093 R)
• M11: 6,921,445 km (0.072 R)
• M12: 8,995,170 km (0.091 R)
• M13: 9,687,061 km (0.118 R)
• M14: 14,280,912 km (0.097 R)
• M15: 15,623,553 km (0.105 R)
• M16: 16,266,375 km (0.113 R)
• M17: 19,480,336 km (0.079 R)
• M18: 25,101,625 km (0.075 R)
• M19: 27,220,829 km (0.072 R)
• M20: 27,726,469 km (0.096 R)
• M21: 28,496,450 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 10.8

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.9 AU - 4.6 AU

Year: 5748 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,016,511 km

• M1: 134,339 km (0.088 R)
• M2: 655,538 km (0.055 R)
• M3: 1,080,695 km (0.054 R)
• M4: 1,585,139 km (0.099 R)
• M5: 2,571,737 km (0.117 R)
• M6: 3,782,732 km (0.11 R)
• M7: 4,304,380 km (0.117 R)
• M8: 4,817,201 km (0.105 R)
• M9: 6,397,852 km (0.109 R)
• M10: 7,103,655 km (0.089 R)
• M11: 8,097,882 km (0.114 R)
• M12: 8,628,656 km (0.1 R)
• M13: 9,182,467 km (0.063 R)
• M14: 9,942,274 km (0.106 R)
• M15: 10,599,009 km (0.082 R)
• M16: 13,072,460 km (0.103 R)
• M17: 15,656,913 km (0.113 R)
• M18: 17,670,800 km (0.076 R)
• M19: 18,916,352 km (0.111 R)
• M20: 21,970,691 km (0.086 R)
• M21: 25,339,336 km (0.095 R)
• M22: 26,564,393 km (0.082 R)
• M23: 29,037,844 km (0.078 R)
• M24: 29,895,339 km (0.05 R)
• M25: 31,861,355 km (0.066 R)
• M26: 33,287,920 km (0.069 R)
• M27: 34,544,093 km (0.038 R)
• M28: 35,614,765 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608

Radius: 3.4

Gravity: 52.6 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.09 AU - 7.43 AU

Year: 10275 Days

Day: 16.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,016,511 km

• M1: 42,336 km (0.088 R)
• M2: 150,047 km (0.111 R)
• M3: 315,652 km (0.109 R)
• M4: 828,473 km (0.026 R)
• M5: 1,115,701 km (0.044 R)
• M6: 3,295,791 km (0.104 R)
• M7: 3,514,204 km (0.117 R)
• M8: 3,846,760 km (0.087 R)
• M9: 4,485,692 km (0.092 R)
• M10: 4,815,107 km (0.106 R)
• M11: 4,970,090 km (0.086 R)
• M12: 6,368,980 km (0.037 R)
• M13: 11,815,988 km (0.094 R)
• M14: 14,390,717 km (0.107 R)
• M15: 14,583,249 km (0.097 R)
• M16: 17,388,359 km (0.055 R)
• M17: 17,900,582 km (0.063 R)
• M18: 19,891,580 km (0.109 R)
• M19: 21,603,728 km (0.114 R)
• M20: 27,521,371 km (0.111 R)
• M21: 34,091,410 km (0.063 R)
• M22: 41,763,088 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.1

Radius: 7.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.28 AU - 11.28 AU

Year: 20064 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,016,511 km

• M1: 104,868 km (0.03 R)
• M2: 371,302 km (0.096 R)
• M3: 928,404 km (0.116 R)
• M4: 1,208,601 km (0.12 R)
• M5: 1,643,333 km (0.082 R)
• M6: 2,040,066 km (0.112 R)
• M7: 2,636,064 km (0.118 R)
• M8: 3,025,916 km (0.071 R)
• M9: 3,398,116 km (0.096 R)
• M10: 3,770,764 km (0.083 R)
• M11: 4,234,368 km (0.099 R)
• M12: 6,182,880 km (0.106 R)
• M13: 6,783,815 km (0.081 R)
• M14: 8,201,853 km (0.086 R)
• M15: 8,507,631 km (0.065 R)
• M16: 8,980,510 km (0.062 R)
• M17: 10,152,310 km (0.116 R)
• M18: 13,277,260 km (0.06 R)
• M19: 15,632,529 km (0.091 R)
• M20: 23,723,978 km (0.077 R)
• M21: 24,033,496 km (0.11 R)
• M22: 24,978,207 km (0.107 R)
• M23: 30,438,828 km (0.091 R)
• M24: 31,172,756 km (0.06 R)
• M25: 32,549,056 km (0.096 R)
• M26: 34,358,592 km (0.059 R)
• M27: 35,422,233 km (0.104 R)
• M28: 36,782,526 km (0.106 R)
• M29: 43,029,733 km (0.095 R)
• M30: 45,049,005 km (0.066 R)
• M31: 59,073,058 km (0.044 R)
• M32: 68,202,417 km (0.099 R)
• M33: 71,585,872 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit