🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 11.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.53 AU - 0.59 AU

Year: 295 Days

Day: 10.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,571,640 km

• M1: 139,276 km (0.036 R)
• M2: 671,844 km (0.108 R)
• M3: 1,037,611 km (0.062 R)
• M4: 1,791,135 km (0.049 R)
• M5: 2,219,284 km (0.114 R)
• M6: 3,324,214 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 11.2

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.14 AU - 1.72 AU

Year: 1202 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,571,640 km

• M1: 139,276 km (0.095 R)
• M2: 504,743 km (0.043 R)
• M3: 1,022,202 km (0.109 R)
• M4: 1,507,199 km (0.111 R)
• M5: 1,933,552 km (0.05 R)
• M6: 2,416,604 km (0.046 R)
• M7: 3,133,178 km (0.068 R)
• M8: 3,691,327 km (0.116 R)
• M9: 4,813,162 km (0.068 R)
• M10: 5,166,512 km (0.082 R)
• M11: 5,925,721 km (0.05 R)
• M12: 6,332,478 km (0.108 R)
• M13: 6,806,254 km (0.077 R)
• M14: 8,040,586 km (0.106 R)
• M15: 8,427,297 km (0.051 R)
• M16: 9,724,310 km (0.086 R)
• M17: 11,150,128 km (0.111 R)
• M18: 11,913,226 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.2

Radius: 9

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.25 AU - 2.89 AU

Year: 2896 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,571,640 km

• M1: 111,899 km (0.108 R)
• M2: 405,709 km (0.116 R)
• M3: 719,715 km (0.1 R)
• M4: 1,124,527 km (0.079 R)
• M5: 1,492,688 km (0.119 R)
• M6: 1,805,945 km (0.073 R)
• M7: 3,179,254 km (0.03 R)
• M8: 3,703,894 km (0.116 R)
• M9: 4,029,119 km (0.031 R)
• M10: 5,170,402 km (0.12 R)
• M11: 6,256,632 km (0.1 R)
• M12: 6,543,261 km (0.094 R)
• M13: 6,959,443 km (0.111 R)
• M14: 7,713,715 km (0.075 R)
• M15: 8,417,573 km (0.073 R)
• M16: 9,496,622 km (0.098 R)
• M17: 15,564,611 km (0.055 R)
• M18: 16,253,210 km (0.053 R)
• M19: 17,352,156 km (0.085 R)
• M20: 17,919,880 km (0.106 R)
• M21: 18,617,305 km (0.046 R)
• M22: 19,514,593 km (0.097 R)
• M23: 20,066,460 km (0.117 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 12.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.75 AU - 3.55 AU

Year: 3930 Days

Day: 8.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,571,640 km

• M1: 159,023 km (0.065 R)
• M2: 975,827 km (0.084 R)
• M3: 1,991,297 km (0.088 R)
• M4: 2,612,577 km (0.071 R)
• M5: 3,212,165 km (0.03 R)
• M6: 4,395,335 km (0.067 R)
• M7: 5,062,093 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 13.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.08 AU - 4.9 AU

Year: 5602 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,571,640 km

• M1: 164,109 km (0.081 R)
• M2: 655,388 km (0.064 R)
• M3: 1,080,994 km (0.116 R)
• M4: 1,523,355 km (0.111 R)
• M5: 2,077,017 km (0.089 R)
• M6: 2,749,160 km (0.109 R)
• M7: 3,615,481 km (0.098 R)
• M8: 4,036,450 km (0.082 R)
• M9: 4,510,974 km (0.114 R)
• M10: 10,406,925 km (0.079 R)
• M11: 13,469,942 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 13.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.73 AU - 4.75 AU

Year: 7254 Days

Day: 14.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,571,640 km

• M1: 163,211 km (0.078 R)
• M2: 656,136 km (0.097 R)
• M3: 5,408,561 km (0.088 R)
• M4: 6,783,964 km (0.07 R)
• M5: 8,805,929 km (0.099 R)
• M6: 9,290,028 km (0.038 R)
• M7: 10,850,184 km (0.103 R)
• M8: 12,360,075 km (0.109 R)
• M9: 13,422,519 km (0.077 R)
• M10: 14,484,365 km (0.08 R)
• M11: 15,729,019 km (0.093 R)
• M12: 16,509,322 km (0.035 R)
• M13: 17,247,139 km (0.111 R)
• M14: 18,644,981 km (0.063 R)
• M15: 21,114,543 km (0.068 R)
• M16: 26,150,456 km (0.096 R)
• M17: 26,969,205 km (0.094 R)
• M18: 28,657,716 km (0.054 R)
• M19: 30,316,308 km (0.078 R)
• M20: 34,687,109 km (0.119 R)
• M21: 35,786,503 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650

Radius: 6.7

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.35 AU - 9.25 AU

Year: 18350 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,571,640 km

• M1: 83,326 km (0.116 R)
• M2: 340,934 km (0.119 R)
• M3: 559,346 km (0.108 R)
• M4: 1,022,053 km (0.045 R)
• M5: 2,084,048 km (0.075 R)
• M6: 3,952,675 km (0.083 R)
• M7: 4,363,471 km (0.077 R)
• M8: 5,650,760 km (0.102 R)
• M9: 7,219,144 km (0.051 R)
• M10: 12,268,970 km (0.11 R)
• M11: 16,246,927 km (0.082 R)
• M12: 16,726,987 km (0.093 R)
• M13: 20,080,971 km (0.101 R)
• M14: 26,075,358 km (0.085 R)
• M15: 37,976,018 km (0.113 R)
• M16: 39,248,348 km (0.1 R)
• M17: 44,622,801 km (0.079 R)
• M18: 49,794,399 km (0.074 R)
• M19: 67,472,679 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.5

Radius: 5.9

Gravity: 20.07 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.15 AU - 11.73 AU

Year: 20388 Days

Day: 19.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,571,640 km

• M1: 73,453 km (0.06 R)
• M2: 272,717 km (0.114 R)
• M3: 648,058 km (0.114 R)
• M4: 1,016,368 km (0.105 R)
• M5: 1,213,089 km (0.11 R)
• M6: 1,404,275 km (0.109 R)
• M7: 2,909,379 km (0.106 R)
• M8: 3,540,533 km (0.025 R)
• M9: 3,872,939 km (0.069 R)
• M10: 4,192,929 km (0.111 R)
• M11: 4,741,654 km (0.077 R)
• M12: 5,572,521 km (0.09 R)
• M13: 7,518,789 km (0.104 R)
• M14: 8,590,658 km (0.077 R)
• M15: 14,051,130 km (0.106 R)
• M16: 14,729,855 km (0.087 R)
• M17: 15,272,596 km (0.1 R)
• M18: 15,509,260 km (0.079 R)
• M19: 18,543,404 km (0.11 R)
• M20: 24,226,926 km (0.092 R)
• M21: 25,754,321 km (0.115 R)
• M22: 31,097,209 km (0.106 R)
• M23: 31,477,486 km (0.097 R)
• M24: 32,898,965 km (0.097 R)
• M25: 36,991,963 km (0.096 R)
• M26: 37,993,521 km (0.119 R)
• M27: 41,106,802 km (0.101 R)
• M28: 41,411,832 km (0.108 R)
• M29: 44,546,207 km (0.084 R)
• M30: 46,666,158 km (0.094 R)
• M31: 50,755,117 km (0.112 R)
• M32: 53,609,743 km (0.115 R)
• M33: 56,193,747 km (0.085 R)
• M34: 69,715,749 km (0.063 R)
• M35: 69,932,517 km (0.093 R)
• M36: 74,815,092 km (0.227 R)
• M37: 75,042,181 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 14,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit