🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 8.2

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.6 AU - 0.88 AU

Year: 447 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,212,599 km

• M1: 102,026 km (0.107 R)
• M2: 556,504 km (0.057 R)
• M3: 829,819 km (0.12 R)
• M4: 1,268,141 km (0.117 R)
• M5: 1,541,307 km (0.095 R)
• M6: 1,945,371 km (0.116 R)
• M7: 2,302,910 km (0.104 R)
• M8: 3,127,643 km (0.104 R)
• M9: 3,646,598 km (0.086 R)
• M10: 4,023,734 km (0.073 R)
• M11: 4,546,578 km (0.1 R)
• M12: 5,313,417 km (0.096 R)
• M13: 6,332,777 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.58 AU - 0.9 AU

Year: 447 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,212,599 km

• M1: 171,589 km (0.056 R)
• M2: 888,611 km (0.105 R)
• M3: 1,637,349 km (0.089 R)
• M4: 2,304,406 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 13.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.79 AU - 1.23 AU

Year: 713 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,212,599 km

• M1: 171,589 km (0.077 R)
• M2: 839,693 km (0.12 R)
• M3: 1,487,302 km (0.048 R)
• M4: 1,980,227 km (0.081 R)
• M5: 3,181,648 km (0.117 R)
• M6: 3,662,904 km (0.089 R)
• M7: 4,643,967 km (0.098 R)
• M8: 5,774,777 km (0.072 R)
• M9: 6,455,747 km (0.081 R)
• M10: 7,211,665 km (0.071 R)
• M11: 7,793,600 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.3

Radius: 8.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.81 AU - 1.29 AU

Year: 756 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,212,599 km

• M1: 108,159 km (0.118 R)
• M2: 456,124 km (0.097 R)
• M3: 938,278 km (0.097 R)
• M4: 1,249,741 km (0.103 R)
• M5: 1,618,499 km (0.098 R)
• M6: 1,892,712 km (0.07 R)
• M7: 2,205,671 km (0.104 R)
• M8: 2,937,354 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 14.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.03 AU - 1.31 AU

Year: 890 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,212,599 km

• M1: 181,313 km (0.106 R)
• M2: 715,676 km (0.06 R)
• M3: 1,216,530 km (0.093 R)
• M4: 1,687,763 km (0.108 R)
• M5: 2,273,588 km (0.104 R)
• M6: 4,351,503 km (0.091 R)
• M7: 6,622,099 km (0.109 R)
• M8: 7,256,394 km (0.115 R)
• M9: 8,222,198 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 9.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.94 AU - 1.48 AU

Year: 936 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,212,599 km

• M1: 121,174 km (0.101 R)
• M2: 483,351 km (0.114 R)
• M3: 809,923 km (0.119 R)
• M4: 1,669,512 km (0.097 R)
• M5: 1,982,621 km (0.094 R)
• M6: 2,324,452 km (0.054 R)
• M7: 2,867,342 km (0.091 R)
• M8: 3,279,335 km (0.103 R)
• M9: 3,838,233 km (0.098 R)
• M10: 4,239,604 km (0.072 R)
• M11: 4,651,297 km (0.084 R)
• M12: 4,958,870 km (0.119 R)
• M13: 5,757,274 km (0.114 R)
• M14: 7,436,211 km (0.116 R)
• M15: 7,757,547 km (0.093 R)
• M16: 8,296,100 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 12.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.95 AU - 2.35 AU

Year: 2216 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,212,599 km

• M1: 153,338 km (0.11 R)
• M2: 574,306 km (0.094 R)
• M3: 1,009,337 km (0.045 R)
• M4: 1,623,137 km (0.12 R)
• M5: 2,347,490 km (0.109 R)
• M6: 2,778,182 km (0.092 R)
• M7: 3,261,682 km (0.115 R)
• M8: 4,130,397 km (0.1 R)
• M9: 5,017,363 km (0.095 R)
• M10: 5,715,686 km (0.101 R)
• M11: 6,632,721 km (0.064 R)
• M12: 7,334,185 km (0.112 R)
• M13: 8,084,419 km (0.047 R)
• M14: 9,077,300 km (0.119 R)
• M15: 9,603,435 km (0.098 R)
• M16: 10,501,771 km (0.115 R)
• M17: 11,569,002 km (0.082 R)
• M18: 13,577,054 km (0.113 R)
• M19: 14,663,733 km (0.096 R)
• M20: 15,114,471 km (0.064 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.8

Radius: 3.9

Gravity: 30.56 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.61 AU - 8.11 AU

Year: 12630 Days

Day: 16.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,212,599 km

• M1: 48,619 km (0.114 R)
• M2: 265,387 km (0.071 R)
• M3: 523,593 km (0.072 R)
• M4: 702,960 km (0.102 R)
• M5: 973,882 km (0.083 R)
• M6: 1,116,299 km (0.094 R)
• M7: 1,457,233 km (0.083 R)
• M8: 1,585,139 km (0.107 R)
• M9: 2,498,733 km (0.11 R)
• M10: 2,767,710 km (0.089 R)
• M11: 2,987,469 km (0.057 R)
• M12: 3,148,138 km (0.119 R)
• M13: 3,984,838 km (0.036 R)
• M14: 6,725,023 km (0.099 R)
• M15: 7,876,627 km (0.08 R)
• M16: 8,139,471 km (0.062 R)
• M17: 10,352,771 km (0.119 R)
• M18: 13,738,320 km (0.056 R)
• M19: 16,840,083 km (0.043 R)
• M20: 18,019,812 km (0.1 R)
• M21: 18,552,829 km (0.033 R)
• M22: 19,411,521 km (0.094 R)
• M23: 20,542,331 km (0.12 R)
• M24: 21,461,011 km (0.06 R)
• M25: 22,581,649 km (0.11 R)
• M26: 26,273,874 km (0.094 R)
• M27: 29,189,088 km (0.043 R)
• M28: 29,712,531 km (0.06 R)
• M29: 33,553,456 km (0.076 R)
• M30: 37,220,399 km (0.107 R)
• M31: 40,624,499 km (0.1 R)
• M32: 44,092,925 km (0.098 R)
• M33: 44,920,501 km (0.025 R)
• M34: 46,039,941 km (0.1 R)
• M35: 47,753,735 km (0.114 R)
• M36: 48,188,765 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.3

Radius: 5.9

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.74 AU - 9.78 AU

Year: 16687 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,212,599 km

• M1: 74,799 km (0.087 R)
• M2: 276,008 km (0.1 R)
• M3: 500,106 km (0.047 R)
• M4: 945,758 km (0.09 R)
• M5: 2,202,230 km (0.068 R)
• M6: 2,570,839 km (0.082 R)
• M7: 3,347,851 km (0.11 R)
• M8: 3,775,701 km (0.07 R)
• M9: 4,049,465 km (0.097 R)
• M10: 6,479,682 km (0.075 R)
• M11: 7,610,492 km (0.03 R)
• M12: 9,740,317 km (0.09 R)
• M13: 11,032,843 km (0.111 R)
• M14: 13,810,726 km (0.098 R)
• M15: 14,831,432 km (0.114 R)
• M16: 15,745,625 km (0.096 R)
• M17: 17,022,293 km (0.093 R)
• M18: 18,024,000 km (0.052 R)
• M19: 18,366,430 km (0.119 R)
• M20: 19,330,588 km (0.09 R)
• M21: 19,599,266 km (0.03 R)
• M22: 21,646,513 km (0.078 R)
• M23: 23,934,762 km (0.097 R)
• M24: 24,872,441 km (0.085 R)
• M25: 26,160,329 km (0.112 R)
• M26: 27,605,295 km (0.082 R)
• M27: 28,289,705 km (0.09 R)
• M28: 29,102,471 km (0.078 R)
• M29: 43,230,643 km (0.081 R)
• M30: 46,677,528 km (0.07 R)
• M31: 58,295,149 km (0.103 R)
• M32: 58,856,290 km (0.113 R)
• M33: 59,799,206 km (0.105 R)
• M34: 65,468,217 km (0.086 R)
• M35: 68,536,320 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.8

Radius: 3.6

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.93 AU - 9.83 AU

Year: 20194 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,212,599 km

• M1: 56,548 km (0.083 R)
• M2: 277,953 km (0.046 R)
• M3: 619,934 km (0.086 R)
• M4: 1,795,773 km (0.055 R)
• M5: 2,721,484 km (0.084 R)
• M6: 4,737,615 km (0.102 R)
• M7: 6,682,686 km (0.053 R)
• M8: 6,878,660 km (0.096 R)
• M9: 9,888,270 km (0.116 R)
• M10: 17,054,307 km (0.103 R)
• M11: 19,567,551 km (0.042 R)
• M12: 20,457,359 km (0.056 R)
• M13: 20,621,917 km (0.041 R)
• M14: 21,121,125 km (0.105 R)
• M15: 23,828,996 km (0.039 R)
• M16: 41,801,983 km (0.105 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: 518 - 14,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit