🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 8.1

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,444,842 km

• M1: 100,679 km (0.078 R)
• M2: 417,528 km (0.103 R)
• M3: 671,395 km (0.104 R)
• M4: 926,011 km (0.115 R)
• M5: 1,551,330 km (0.09 R)
• M6: 2,076,568 km (0.057 R)
• M7: 2,665,086 km (0.051 R)
• M8: 3,490,866 km (0.051 R)
• M9: 3,813,848 km (0.095 R)
• M10: 4,089,258 km (0.099 R)
• M11: 4,377,982 km (0.05 R)
• M12: 4,799,249 km (0.068 R)
• M13: 5,722,567 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 10.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.24 AU - 1.56 AU

Year: 1105 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,444,842 km

• M1: 128,056 km (0.109 R)
• M2: 450,589 km (0.106 R)
• M3: 773,122 km (0.106 R)
• M4: 1,417,440 km (0.103 R)
• M5: 1,927,569 km (0.089 R)
• M6: 2,719,839 km (0.072 R)
• M7: 3,264,525 km (0.116 R)
• M8: 3,613,686 km (0.058 R)
• M9: 4,034,655 km (0.077 R)
• M10: 4,555,554 km (0.057 R)
• M11: 5,176,236 km (0.087 R)
• M12: 6,630,028 km (0.116 R)
• M13: 7,193,414 km (0.117 R)
• M14: 7,985,834 km (0.073 R)
• M15: 8,624,018 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 9.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.26 AU - 2.48 AU

Year: 2433 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,444,842 km

• M1: 114,742 km (0.104 R)
• M2: 407,804 km (0.047 R)
• M3: 754,272 km (0.086 R)
• M4: 1,137,393 km (0.075 R)
• M5: 1,564,345 km (0.094 R)
• M6: 2,031,389 km (0.039 R)
• M7: 2,677,054 km (0.043 R)
• M8: 3,023,971 km (0.061 R)
• M9: 3,466,631 km (0.051 R)
• M10: 4,561,837 km (0.109 R)
• M11: 5,059,250 km (0.095 R)
• M12: 5,592,417 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 11

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.4 AU - 3.66 AU

Year: 3517 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,444,842 km

• M1: 137,630 km (0.103 R)
• M2: 495,468 km (0.088 R)
• M3: 876,943 km (0.102 R)
• M4: 1,984,266 km (0.051 R)
• M5: 2,580,114 km (0.027 R)
• M6: 2,989,265 km (0.061 R)
• M7: 3,795,597 km (0.091 R)
• M8: 4,957,673 km (0.12 R)
• M9: 5,864,237 km (0.087 R)
• M10: 6,636,461 km (0.096 R)
• M11: 7,251,308 km (0.091 R)
• M12: 7,903,555 km (0.111 R)
• M13: 9,250,534 km (0.106 R)
• M14: 9,900,387 km (0.116 R)
• M15: 10,256,580 km (0.081 R)
• M16: 11,463,086 km (0.055 R)
• M17: 12,576,992 km (0.118 R)
• M18: 14,206,113 km (0.051 R)
• M19: 17,416,932 km (0.077 R)
• M20: 19,129,977 km (0.078 R)
• M21: 20,823,276 km (0.085 R)
• M22: 22,682,628 km (0.115 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 5.3

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.5 AU - 7.38 AU

Year: 12192 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,444,842 km

• M1: 65,973 km (0.118 R)
• M2: 268,528 km (0.092 R)
• M3: 778,059 km (0.115 R)
• M4: 1,181,973 km (0.089 R)
• M5: 2,360,056 km (0.11 R)
• M6: 2,817,676 km (0.097 R)
• M7: 3,198,253 km (0.053 R)
• M8: 4,435,726 km (0.055 R)
• M9: 6,917,854 km (0.102 R)
• M10: 8,686,999 km (0.094 R)
• M11: 9,816,014 km (0.05 R)
• M12: 10,245,509 km (0.054 R)
• M13: 11,767,518 km (0.041 R)
• M14: 13,609,068 km (0.038 R)
• M15: 14,690,361 km (0.089 R)
• M16: 18,563,450 km (0.104 R)
• M17: 21,598,492 km (0.052 R)
• M18: 23,400,997 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.9

Radius: 3

Gravity: 103.1 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.6 AU - 8.36 AU

Year: 15033 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 166.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,444,842 km

• M1: 39,793 km (0.098 R)
• M2: 179,817 km (0.091 R)
• M3: 456,722 km (0.079 R)
• M4: 808,726 km (0.091 R)
• M5: 1,137,243 km (0.106 R)
• M6: 1,317,209 km (0.099 R)
• M7: 1,564,345 km (0.12 R)
• M8: 1,664,576 km (0.073 R)
• M9: 1,859,651 km (0.049 R)
• M10: 2,699,494 km (0.117 R)
• M11: 4,195,323 km (0.073 R)
• M12: 4,831,413 km (0.071 R)
• M13: 5,802,602 km (0.073 R)
• M14: 8,121,220 km (0.077 R)
• M15: 8,221,001 km (0.103 R)
• M16: 8,474,121 km (0.044 R)
• M17: 9,594,011 km (0.12 R)
• M18: 9,931,354 km (0.106 R)
• M19: 10,334,670 km (0.118 R)
• M20: 10,869,332 km (0.068 R)
• M21: 11,484,629 km (0.073 R)
• M22: 12,450,582 km (0.118 R)
• M23: 13,330,517 km (0.062 R)
• M24: 14,106,630 km (0.048 R)
• M25: 15,213,056 km (0.095 R)
• M26: 15,671,275 km (0.112 R)
• M27: 17,101,430 km (0.106 R)
• M28: 17,848,073 km (0.083 R)
• M29: 19,317,124 km (0.12 R)
• M30: 20,126,598 km (0.062 R)
• M31: 20,585,864 km (0.115 R)
• M32: 21,335,349 km (0.109 R)
• M33: 23,087,739 km (0.037 R)
• M34: 26,986,259 km (0.05 R)
• M35: 30,814,169 km (0.099 R)
• M36: 34,203,010 km (0.096 R)
• M37: 35,518,723 km (0.039 R)
• M38: 41,857,634 km (0.104 R)
• M39: 60,053,821 km (0.111 R)
• M40: 62,740,749 km (0.069 R)
• M41: 65,506,664 km (0.119 R)
• M42: 69,180,937 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.2

Radius: 4.3

Gravity: 40.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.95 AU - 8.11 AU

Year: 15174 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,444,842 km

• M1: 53,556 km (0.119 R)
• M2: 467,493 km (0.079 R)
• M3: 721,660 km (0.083 R)
• M4: 859,589 km (0.105 R)
• M5: 1,087,577 km (0.12 R)
• M6: 1,340,547 km (0.098 R)
• M7: 1,583,194 km (0.11 R)
• M8: 1,872,517 km (0.11 R)
• M9: 2,136,557 km (0.032 R)
• M10: 2,468,066 km (0.104 R)
• M11: 3,079,023 km (0.112 R)
• M12: 3,698,658 km (0.116 R)
• M13: 4,527,430 km (0.049 R)
• M14: 4,795,061 km (0.091 R)
• M15: 5,473,188 km (0.114 R)
• M16: 5,700,128 km (0.086 R)
• M17: 5,972,695 km (0.096 R)
• M18: 6,885,990 km (0.049 R)
• M19: 7,330,595 km (0.119 R)
• M20: 9,037,507 km (0.094 R)
• M21: 10,407,524 km (0.102 R)
• M22: 11,475,802 km (0.061 R)
• M23: 17,195,378 km (0.089 R)
• M24: 19,720,739 km (0.04 R)
• M25: 24,257,893 km (0.097 R)
• M26: 26,337,304 km (0.061 R)
• M27: 34,165,611 km (0.079 R)
• M28: 35,322,451 km (0.119 R)
• M29: 42,229,085 km (0.061 R)
• M30: 42,375,691 km (0.115 R)
• M31: 44,920,351 km (0.117 R)
• M32: 47,882,838 km (0.11 R)
• M33: 49,168,183 km (0.092 R)
• M34: 60,475,837 km (0.103 R)
• M35: 64,274,875 km (0.057 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit