🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 9

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 14 Hours

Environment

Temp: -130 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,552,549 km

• M1: 111,899 km (0.089 R)
• M2: 416,032 km (0.072 R)
• M3: 700,716 km (0.079 R)
• M4: 1,271,133 km (0.058 R)
• M5: 1,564,495 km (0.113 R)
• M6: 1,961,078 km (0.094 R)
• M7: 3,290,704 km (0.12 R)
• M8: 3,591,845 km (0.032 R)
• M9: 3,958,659 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 9.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.66 AU - 1.04 AU

Year: 541 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,552,549 km

• M1: 122,072 km (0.105 R)
• M2: 657,632 km (0.117 R)
• M3: 1,060,799 km (0.069 R)
• M4: 1,453,643 km (0.078 R)
• M5: 1,858,305 km (0.077 R)
• M6: 2,166,177 km (0.112 R)
• M7: 2,676,904 km (0.073 R)
• M8: 3,192,568 km (0.107 R)
• M9: 3,996,358 km (0.046 R)
• M10: 4,515,163 km (0.107 R)
• M11: 5,045,188 km (0.089 R)
• M12: 5,562,348 km (0.119 R)
• M13: 5,945,169 km (0.074 R)
• M14: 6,287,299 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 14.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.05 AU - 1.45 AU

Year: 965 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,552,549 km

• M1: 176,525 km (0.085 R)
• M2: 720,613 km (0.108 R)
• M3: 1,173,147 km (0.059 R)
• M4: 2,937,653 km (0.071 R)
• M5: 3,383,605 km (0.048 R)
• M6: 3,979,004 km (0.07 R)
• M7: 5,092,162 km (0.092 R)
• M8: 5,741,417 km (0.059 R)
• M9: 6,197,690 km (0.096 R)
• M10: 8,297,147 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.8

Radius: 3.3

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.86 AU - 6.86 AU

Year: 9792 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,552,549 km

• M1: 45,777 km (0.091 R)
• M2: 211,831 km (0.098 R)
• M3: 357,988 km (0.056 R)
• M4: 1,577,958 km (0.078 R)
• M5: 2,201,482 km (0.102 R)
• M6: 2,992,556 km (0.081 R)
• M7: 4,000,397 km (0.072 R)
• M8: 4,389,202 km (0.074 R)
• M9: 6,655,609 km (0.082 R)
• M10: 14,114,110 km (0.05 R)
• M11: 15,775,544 km (0.086 R)
• M12: 17,742,607 km (0.114 R)
• M13: 21,464,901 km (0.057 R)
• M14: 22,860,200 km (0.087 R)
• M15: 25,675,632 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.5

Radius: 4.1

Gravity: 32.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.71 AU - 7.31 AU

Year: 10170 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,552,549 km

• M1: 51,013 km (0.088 R)
• M2: 343,178 km (0.111 R)
• M3: 740,958 km (0.052 R)
• M4: 1,011,132 km (0.107 R)
• M5: 1,306,438 km (0.072 R)
• M6: 1,686,267 km (0.093 R)
• M7: 3,704,043 km (0.046 R)
• M8: 4,042,284 km (0.108 R)
• M9: 6,334,423 km (0.086 R)
• M10: 7,940,954 km (0.119 R)
• M11: 8,546,526 km (0.119 R)
• M12: 8,680,117 km (0.112 R)
• M13: 9,751,836 km (0.105 R)
• M14: 11,013,395 km (0.054 R)
• M15: 12,098,129 km (0.103 R)
• M16: 12,608,707 km (0.082 R)
• M17: 13,672,647 km (0.057 R)
• M18: 16,385,455 km (0.084 R)
• M19: 19,745,273 km (0.096 R)
• M20: 20,691,629 km (0.104 R)
• M21: 22,167,412 km (0.107 R)
• M22: 22,845,240 km (0.107 R)
• M23: 23,016,829 km (0.088 R)
• M24: 24,331,346 km (0.099 R)
• M25: 26,348,673 km (0.099 R)
• M26: 27,109,079 km (0.045 R)
• M27: 30,608,173 km (0.03 R)
• M28: 33,064,421 km (0.061 R)
• M29: 36,578,475 km (0.104 R)
• M30: 37,167,591 km (0.116 R)
• M31: 38,607,321 km (0.097 R)
• M32: 43,674,500 km (0.076 R)
• M33: 44,071,383 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.8

Radius: 3.9

Gravity: 31.35 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.86 AU - 7.9 AU

Year: 15269 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,552,549 km

• M1: 48,470 km (0.118 R)
• M2: 305,928 km (0.088 R)
• M3: 459,415 km (0.066 R)
• M4: 788,231 km (0.09 R)
• M5: 1,283,999 km (0.081 R)
• M6: 1,660,985 km (0.07 R)
• M7: 2,299,768 km (0.119 R)
• M8: 2,587,744 km (0.094 R)
• M9: 2,762,773 km (0.119 R)
• M10: 4,012,963 km (0.051 R)
• M11: 4,649,053 km (0.096 R)
• M12: 5,314,913 km (0.104 R)
• M13: 5,526,445 km (0.102 R)
• M14: 6,233,594 km (0.104 R)
• M15: 9,462,963 km (0.117 R)
• M16: 12,204,643 km (0.045 R)
• M17: 14,390,418 km (0.094 R)
• M18: 14,870,776 km (0.037 R)
• M19: 26,143,873 km (0.116 R)
• M20: 26,755,579 km (0.088 R)
• M21: 30,852,167 km (0.05 R)
• M22: 36,346,448 km (0.1 R)
• M23: 37,750,574 km (0.113 R)
• M24: 39,991,101 km (0.119 R)
• M25: 40,802,520 km (0.046 R)
• M26: 41,075,387 km (0.108 R)
• M27: 43,586,686 km (0.07 R)
• M28: 45,903,059 km (0.03 R)
• M29: 47,542,353 km (0.091 R)
• M30: 49,529,461 km (0.119 R)
• M31: 51,890,265 km (0.091 R)
• M32: 52,693,606 km (0.092 R)
• M33: 53,668,535 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.8

Radius: 5

Gravity: 39.67 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.04 AU - 9.52 AU

Year: 16446 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,552,549 km

• M1: 80,184 km (0.076 R)
• M2: 287,527 km (0.067 R)
• M3: 446,250 km (0.048 R)
• M4: 731,833 km (0.07 R)
• M5: 1,701,676 km (0.096 R)
• M6: 2,020,020 km (0.052 R)
• M7: 2,354,970 km (0.103 R)
• M8: 3,382,707 km (0.034 R)
• M9: 3,855,137 km (0.047 R)
• M10: 6,022,361 km (0.107 R)
• M11: 7,033,344 km (0.108 R)
• M12: 8,674,433 km (0.087 R)
• M13: 12,215,265 km (0.057 R)
• M14: 14,563,951 km (0.12 R)
• M15: 17,966,704 km (0.08 R)
• M16: 23,694,208 km (0.098 R)
• M17: 26,066,531 km (0.077 R)
• M18: 32,680,104 km (0.104 R)
• M19: 34,525,992 km (0.037 R)
• M20: 39,884,438 km (0.099 R)
• M21: 40,928,332 km (0.037 R)
• M22: 43,696,341 km (0.099 R)
• M23: 69,816,129 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit