🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 14.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.89 AU - 0.97 AU

Year: 598 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,569,972 km

• M1: 179,069 km (0.029 R)
• M2: 795,262 km (0.072 R)
• M3: 1,993,242 km (0.119 R)
• M4: 2,865,547 km (0.101 R)
• M5: 3,343,363 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 13.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.95 AU - 1.13 AU

Year: 707 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,569,972 km

• M1: 167,849 km (0.079 R)
• M2: 590,164 km (0.036 R)
• M3: 1,039,256 km (0.111 R)
• M4: 1,471,295 km (0.076 R)
• M5: 1,906,326 km (0.062 R)
• M6: 2,376,811 km (0.089 R)
• M7: 2,935,260 km (0.095 R)
• M8: 3,580,625 km (0.105 R)
• M9: 4,895,291 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.5

Radius: 8.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.41 AU - 1.47 AU

Year: 1152 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,569,972 km

• M1: 118,631 km (0.096 R)
• M2: 487,240 km (0.097 R)
• M3: 777,011 km (0.101 R)
• M4: 1,292,675 km (0.097 R)
• M5: 1,609,374 km (0.12 R)
• M6: 2,344,498 km (0.108 R)
• M7: 2,820,219 km (0.093 R)
• M8: 3,276,493 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.3

Radius: 8.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.62 AU - 3.72 AU

Year: 4688 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,569,972 km

• M1: 106,962 km (0.086 R)
• M2: 424,110 km (0.099 R)
• M3: 721,361 km (0.077 R)
• M4: 1,452,446 km (0.092 R)
• M5: 2,049,341 km (0.085 R)
• M6: 2,526,558 km (0.115 R)
• M7: 2,963,833 km (0.095 R)
• M8: 3,369,542 km (0.091 R)
• M9: 4,221,652 km (0.112 R)
• M10: 4,787,581 km (0.093 R)
• M11: 5,292,473 km (0.09 R)
• M12: 5,891,314 km (0.101 R)
• M13: 7,394,922 km (0.057 R)
• M14: 8,403,810 km (0.085 R)
• M15: 8,708,242 km (0.115 R)
• M16: 9,501,709 km (0.087 R)
• M17: 12,027,669 km (0.091 R)
• M18: 13,213,980 km (0.119 R)
• M19: 14,585,194 km (0.086 R)
• M20: 15,474,853 km (0.111 R)
• M21: 18,939,090 km (0.092 R)
• M22: 20,678,465 km (0.066 R)
• M23: 22,086,929 km (0.115 R)
• M24: 26,369,766 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 10.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.99 AU - 4.37 AU

Year: 4708 Days

Day: 13.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,569,972 km

• M1: 129,402 km (0.101 R)
• M2: 528,529 km (0.109 R)
• M3: 912,846 km (0.107 R)
• M4: 1,444,068 km (0.111 R)
• M5: 1,910,814 km (0.09 R)
• M6: 2,444,878 km (0.107 R)
• M7: 2,985,226 km (0.061 R)
• M8: 3,644,803 km (0.054 R)
• M9: 4,258,752 km (0.117 R)
• M10: 4,688,996 km (0.087 R)
• M11: 5,863,937 km (0.094 R)
• M12: 6,834,678 km (0.068 R)
• M13: 8,561,187 km (0.073 R)
• M14: 9,605,978 km (0.1 R)
• M15: 10,055,221 km (0.063 R)
• M16: 12,515,507 km (0.07 R)
• M17: 13,654,396 km (0.101 R)
• M18: 14,170,509 km (0.062 R)
• M19: 16,481,945 km (0.094 R)
• M20: 17,605,874 km (0.098 R)
• M21: 19,418,851 km (0.113 R)
• M22: 20,006,022 km (0.035 R)
• M23: 24,302,324 km (0.097 R)
• M24: 26,785,050 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 12.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.61 AU - 4.85 AU

Year: 5801 Days

Day: 12.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,569,972 km

• M1: 157,975 km (0.075 R)
• M2: 603,179 km (0.084 R)
• M3: 1,216,829 km (0.092 R)
• M4: 2,019,272 km (0.029 R)
• M5: 2,422,438 km (0.12 R)
• M6: 3,353,535 km (0.036 R)
• M7: 3,995,460 km (0.1 R)
• M8: 5,322,692 km (0.117 R)
• M9: 5,978,829 km (0.074 R)
• M10: 7,452,966 km (0.086 R)
• M11: 7,969,378 km (0.042 R)
• M12: 9,408,210 km (0.098 R)
• M13: 11,107,941 km (0.05 R)
• M14: 12,181,007 km (0.078 R)
• M15: 12,899,226 km (0.046 R)
• M16: 14,533,134 km (0.111 R)
• M17: 15,518,236 km (0.103 R)
• M18: 15,996,949 km (0.052 R)
• M19: 16,423,901 km (0.074 R)
• M20: 17,300,695 km (0.09 R)
• M21: 18,208,454 km (0.087 R)
• M22: 19,011,496 km (0.088 R)
• M23: 22,009,587 km (0.093 R)
• M24: 22,614,411 km (0.062 R)
• M25: 23,620,905 km (0.033 R)
• M26: 30,576,758 km (0.054 R)
• M27: 31,046,196 km (0.099 R)

Asteroid Belt

Center: 6.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.6

Radius: 3.8

Gravity: 52.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.72 AU - 10.84 AU

Year: 17349 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,569,972 km

• M1: 48,021 km (0.11 R)
• M2: 265,237 km (0.031 R)
• M3: 545,583 km (0.12 R)
• M4: 1,111,961 km (0.106 R)
• M5: 1,738,028 km (0.077 R)
• M6: 3,220,094 km (0.076 R)
• M7: 4,192,780 km (0.105 R)
• M8: 4,388,603 km (0.117 R)
• M9: 4,763,346 km (0.105 R)
• M10: 5,196,282 km (0.071 R)
• M11: 5,733,787 km (0.076 R)
• M12: 5,853,615 km (0.107 R)
• M13: 6,265,308 km (0.117 R)
• M14: 8,106,409 km (0.083 R)
• M15: 10,938,297 km (0.082 R)
• M16: 11,435,112 km (0.114 R)
• M17: 12,473,620 km (0.067 R)
• M18: 15,113,125 km (0.098 R)
• M19: 15,964,337 km (0.066 R)
• M20: 16,201,898 km (0.065 R)
• M21: 17,425,160 km (0.108 R)
• M22: 23,954,060 km (0.079 R)
• M23: 24,265,523 km (0.082 R)
• M24: 25,430,292 km (0.099 R)
• M25: 25,862,929 km (0.111 R)
• M26: 27,642,695 km (0.071 R)
• M27: 29,265,682 km (0.085 R)
• M28: 30,950,902 km (0.096 R)
• M29: 31,320,259 km (0.06 R)
• M30: 32,954,765 km (0.094 R)
• M31: 33,082,821 km (0.086 R)
• M32: 34,381,630 km (0.084 R)
• M33: 37,357,879 km (0.063 R)
• M34: 37,776,454 km (0.07 R)
• M35: 38,057,399 km (0.104 R)
• M36: 42,287,877 km (0.101 R)
• M37: 43,200,574 km (0.056 R)
• M38: 43,661,784 km (0.117 R)
• M39: 49,455,710 km (0.084 R)
• M40: 54,300,886 km (0.071 R)
• M41: 55,198,024 km (0.106 R)
• M42: 71,355,641 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 16,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit