🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 14.8

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.78 AU - 1.02 AU

Year: 551 Days

Day: 7 Hours

Environment

Temp: -152 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 54,494,955 km

• M1: 184,155 km (0.056 R)
• M2: 1,534,874 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 14.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.53 AU - 1.93 AU

Year: 1469 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,494,955 km

• M1: 179,069 km (0.084 R)
• M2: 666,459 km (0.08 R)
• M3: 1,180,178 km (0.119 R)
• M4: 1,967,212 km (0.112 R)
• M5: 2,814,385 km (0.09 R)
• M6: 3,272,005 km (0.061 R)
• M7: 3,747,427 km (0.102 R)
• M8: 5,587,032 km (0.095 R)
• M9: 6,067,091 km (0.111 R)
• M10: 6,670,120 km (0.116 R)
• M11: 7,782,081 km (0.077 R)
• M12: 8,551,912 km (0.098 R)
• M13: 9,432,595 km (0.069 R)
• M14: 10,634,015 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.7

Radius: 13.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.47 AU - 3.03 AU

Year: 2945 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,494,955 km

• M1: 173,833 km (0.065 R)
• M2: 754,422 km (0.064 R)
• M3: 1,373,009 km (0.056 R)
• M4: 3,054,639 km (0.049 R)
• M5: 3,524,975 km (0.117 R)
• M6: 5,552,175 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 14.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.02 AU - 4.48 AU

Year: 5657 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,494,955 km

• M1: 185,352 km (0.077 R)
• M2: 2,222,576 km (0.085 R)
• M3: 2,764,868 km (0.079 R)
• M4: 3,291,153 km (0.104 R)
• M5: 3,769,268 km (0.056 R)
• M6: 5,173,693 km (0.077 R)
• M7: 6,011,890 km (0.104 R)
• M8: 7,185,186 km (0.054 R)
• M9: 8,229,828 km (0.032 R)
• M10: 10,118,202 km (0.051 R)
• M11: 10,667,375 km (0.119 R)
• M12: 13,663,222 km (0.082 R)
• M13: 14,221,671 km (0.081 R)
• M14: 15,265,266 km (0.113 R)
• M15: 15,805,913 km (0.089 R)
• M16: 17,898,787 km (0.061 R)
• M17: 18,635,856 km (0.104 R)
• M18: 23,411,768 km (0.068 R)
• M19: 24,619,770 km (0.071 R)
• M20: 27,777,333 km (0.076 R)
• M21: 28,313,641 km (0.118 R)
• M22: 30,339,495 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.1

Radius: 4.2

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6 AU - 7.26 AU

Year: 11023 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,494,955 km

• M1: 53,107 km (0.118 R)
• M2: 233,223 km (0.094 R)
• M3: 468,840 km (0.088 R)
• M4: 1,036,414 km (0.067 R)
• M5: 1,537,268 km (0.073 R)
• M6: 1,758,373 km (0.1 R)
• M7: 2,153,013 km (0.111 R)
• M8: 5,363,233 km (0.075 R)
• M9: 7,775,948 km (0.112 R)
• M10: 9,967,257 km (0.104 R)
• M11: 12,283,481 km (0.071 R)
• M12: 12,744,691 km (0.1 R)
• M13: 13,058,398 km (0.1 R)
• M14: 21,628,112 km (0.055 R)
• M15: 22,755,482 km (0.084 R)
• M16: 23,685,232 km (0.05 R)
• M17: 25,126,907 km (0.085 R)
• M18: 28,805,519 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.6

Radius: 6.7

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.93 AU - 8.45 AU

Year: 12448 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,494,955 km

• M1: 83,326 km (0.113 R)
• M2: 538,852 km (0.097 R)
• M3: 872,305 km (0.093 R)
• M4: 1,117,945 km (0.095 R)
• M5: 1,446,611 km (0.119 R)
• M6: 1,737,878 km (0.103 R)
• M7: 2,231,402 km (0.061 R)
• M8: 2,934,362 km (0.112 R)
• M9: 3,656,770 km (0.104 R)
• M10: 3,996,956 km (0.103 R)
• M11: 4,438,120 km (0.097 R)
• M12: 5,356,202 km (0.102 R)
• M13: 6,292,236 km (0.109 R)
• M14: 7,523,576 km (0.057 R)
• M15: 10,598,112 km (0.1 R)
• M16: 10,940,391 km (0.104 R)
• M17: 12,223,492 km (0.102 R)
• M18: 14,125,330 km (0.111 R)
• M19: 14,540,165 km (0.091 R)
• M20: 17,402,571 km (0.101 R)
• M21: 19,947,230 km (0.096 R)
• M22: 20,695,669 km (0.113 R)
• M23: 22,729,452 km (0.083 R)
• M24: 23,381,100 km (0.089 R)
• M25: 27,463,476 km (0.083 R)
• M26: 28,109,440 km (0.1 R)
• M27: 36,670,477 km (0.07 R)
• M28: 37,228,777 km (0.099 R)
• M29: 37,566,419 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.7

Radius: 5.3

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.03 AU - 9.77 AU

Year: 18608 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,494,955 km

• M1: 65,973 km (0.079 R)
• M2: 231,877 km (0.111 R)
• M3: 421,866 km (0.096 R)
• M4: 719,566 km (0.094 R)
• M5: 1,379,741 km (0.12 R)
• M6: 2,913,269 km (0.088 R)
• M7: 3,523,329 km (0.114 R)
• M8: 3,735,459 km (0.055 R)
• M9: 5,753,085 km (0.113 R)
• M10: 6,587,841 km (0.114 R)
• M11: 6,869,534 km (0.103 R)
• M12: 7,457,155 km (0.074 R)
• M13: 8,261,243 km (0.089 R)
• M14: 10,630,873 km (0.106 R)
• M15: 12,788,374 km (0.106 R)
• M16: 16,144,752 km (0.075 R)
• M17: 18,102,240 km (0.091 R)
• M18: 18,416,844 km (0.077 R)
• M19: 19,629,036 km (0.086 R)
• M20: 20,381,513 km (0.071 R)
• M21: 23,958,997 km (0.079 R)
• M22: 27,725,123 km (0.096 R)
• M23: 31,981,781 km (0.093 R)
• M24: 34,085,426 km (0.095 R)
• M25: 34,324,783 km (0.064 R)
• M26: 38,049,919 km (0.109 R)
• M27: 42,449,144 km (0.11 R)
• M28: 43,846,238 km (0.045 R)
• M29: 46,144,959 km (0.087 R)
• M30: 48,221,228 km (0.064 R)
• M31: 49,282,326 km (0.109 R)
• M32: 53,038,579 km (0.064 R)
• M33: 53,359,915 km (0.102 R)
• M34: 54,494,914 km (0.083 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: 183 - 15,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit