🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 14.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.52 AU - 0.76 AU

Year: 341 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,776,062 km

• M1: 185,352 km (0.048 R)
• M2: 690,843 km (0.11 R)
• M3: 1,193,342 km (0.06 R)
• M4: 1,931,159 km (0.068 R)
• M5: 2,607,640 km (0.11 R)
• M6: 3,100,117 km (0.063 R)
• M7: 3,592,593 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.6 AU - 0.88 AU

Year: 424 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,776,062 km

• M1: 113,694 km (0.083 R)
• M2: 542,741 km (0.072 R)
• M3: 845,378 km (0.104 R)
• M4: 1,351,168 km (0.077 R)
• M5: 1,670,709 km (0.118 R)
• M6: 2,040,964 km (0.102 R)
• M7: 2,414,659 km (0.102 R)
• M8: 2,881,105 km (0.069 R)
• M9: 3,166,688 km (0.041 R)
• M10: 3,536,643 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 11.7

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.81 AU - 1.09 AU

Year: 617 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,776,062 km

• M1: 145,559 km (0.113 R)
• M2: 530,175 km (0.096 R)
• M3: 1,015,620 km (0.075 R)
• M4: 1,740,272 km (0.064 R)
• M5: 2,223,922 km (0.052 R)
• M6: 2,762,773 km (0.104 R)
• M7: 3,361,763 km (0.094 R)
• M8: 4,499,754 km (0.074 R)
• M9: 5,123,278 km (0.104 R)
• M10: 5,618,896 km (0.08 R)
• M11: 6,283,410 km (0.063 R)
• M12: 7,257,292 km (0.085 R)
• M13: 7,655,970 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 9.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.4 AU - 1.42 AU

Year: 1116 Days

Day: 7 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,776,062 km

• M1: 120,875 km (0.116 R)
• M2: 793,467 km (0.076 R)
• M3: 1,095,206 km (0.064 R)
• M4: 1,522,458 km (0.118 R)
• M5: 2,443,232 km (0.06 R)
• M6: 3,499,992 km (0.042 R)
• M7: 4,510,525 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 10.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.89 AU - 1.99 AU

Year: 1802 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,776,062 km

• M1: 125,662 km (0.095 R)
• M2: 461,509 km (0.051 R)
• M3: 788,830 km (0.086 R)
• M4: 1,452,895 km (0.106 R)
• M5: 1,818,961 km (0.047 R)
• M6: 2,327,294 km (0.106 R)
• M7: 2,690,368 km (0.12 R)
• M8: 3,025,467 km (0.1 R)
• M9: 4,454,277 km (0.094 R)
• M10: 5,237,721 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 11.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.91 AU - 2.09 AU

Year: 1886 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,776,062 km

• M1: 146,756 km (0.106 R)
• M2: 555,158 km (0.076 R)
• M3: 1,139,487 km (0.065 R)
• M4: 1,553,125 km (0.089 R)
• M5: 1,976,637 km (0.081 R)
• M6: 2,517,583 km (0.099 R)
• M7: 3,616,229 km (0.112 R)
• M8: 4,819,146 km (0.109 R)
• M9: 5,387,169 km (0.087 R)
• M10: 5,854,064 km (0.089 R)
• M11: 6,501,523 km (0.08 R)
• M12: 7,391,332 km (0.119 R)
• M13: 9,379,637 km (0.062 R)
• M14: 10,127,028 km (0.052 R)
• M15: 10,622,945 km (0.07 R)
• M16: 12,012,260 km (0.078 R)
• M17: 12,730,330 km (0.119 R)
• M18: 13,774,972 km (0.051 R)
• M19: 15,657,512 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 10.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.03 AU - 3.99 AU

Year: 4385 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,776,062 km

• M1: 135,835 km (0.098 R)
• M2: 531,521 km (0.09 R)
• M3: 946,655 km (0.102 R)
• M4: 1,302,100 km (0.07 R)
• M5: 2,352,726 km (0.089 R)
• M6: 2,840,564 km (0.069 R)
• M7: 3,340,072 km (0.039 R)
• M8: 4,124,862 km (0.115 R)
• M9: 6,683,135 km (0.119 R)
• M10: 7,225,278 km (0.065 R)
• M11: 8,093,095 km (0.093 R)
• M12: 8,674,283 km (0.11 R)
• M13: 9,283,146 km (0.097 R)
• M14: 9,805,692 km (0.057 R)
• M15: 11,032,993 km (0.105 R)
• M16: 12,404,356 km (0.088 R)
• M17: 13,457,974 km (0.099 R)
• M18: 16,165,247 km (0.115 R)
• M19: 17,143,018 km (0.067 R)
• M20: 19,096,916 km (0.074 R)
• M21: 19,820,820 km (0.093 R)
• M22: 21,067,569 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 4.4

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.26 AU - 7.2 AU

Year: 11643 Days

Day: 18.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,776,062 km

• M1: 54,753 km (0.043 R)
• M2: 274,063 km (0.073 R)
• M3: 462,856 km (0.074 R)
• M4: 1,307,336 km (0.09 R)
• M5: 1,840,203 km (0.106 R)
• M6: 2,198,490 km (0.109 R)
• M7: 2,601,806 km (0.115 R)
• M8: 3,184,340 km (0.049 R)
• M9: 3,342,615 km (0.113 R)
• M10: 3,824,320 km (0.096 R)
• M11: 4,378,281 km (0.098 R)
• M12: 6,907,981 km (0.067 R)
• M13: 7,328,949 km (0.05 R)
• M14: 7,889,343 km (0.047 R)
• M15: 8,391,842 km (0.085 R)
• M16: 9,322,341 km (0.096 R)
• M17: 10,920,345 km (0.115 R)
• M18: 11,864,607 km (0.03 R)
• M19: 12,976,419 km (0.094 R)
• M20: 16,793,408 km (0.092 R)
• M21: 18,335,463 km (0.07 R)
• M22: 19,741,085 km (0.093 R)
• M23: 20,743,091 km (0.106 R)
• M24: 21,536,708 km (0.09 R)
• M25: 22,432,799 km (0.09 R)
• M26: 22,764,757 km (0.118 R)
• M27: 23,952,414 km (0.045 R)
• M28: 25,901,076 km (0.102 R)
• M29: 30,312,119 km (0.069 R)
• M30: 31,643,839 km (0.109 R)
• M31: 32,166,235 km (0.093 R)
• M32: 32,588,251 km (0.073 R)
• M33: 35,310,034 km (0.066 R)
• M34: 35,985,169 km (0.065 R)
• M35: 38,534,168 km (0.069 R)
• M36: 40,584,406 km (0.108 R)
• M37: 41,200,899 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.7

Radius: 7.1

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.88 AU - 11 AU

Year: 22495 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 90.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,776,062 km

• M1: 90,956 km (0.104 R)
• M2: 335,548 km (0.118 R)
• M3: 1,035,816 km (0.101 R)
• M4: 1,622,389 km (0.098 R)
• M5: 3,299,231 km (0.086 R)
• M6: 5,775,974 km (0.119 R)
• M7: 6,297,622 km (0.059 R)
• M8: 7,667,938 km (0.118 R)
• M9: 8,198,861 km (0.101 R)
• M10: 8,909,600 km (0.114 R)
• M11: 9,173,192 km (0.115 R)
• M12: 11,535,193 km (0.102 R)
• M13: 12,167,393 km (0.097 R)
• M14: 20,905,405 km (0.114 R)
• M15: 24,933,926 km (0.107 R)
• M16: 29,567,570 km (0.026 R)
• M17: 32,581,668 km (0.118 R)
• M18: 52,282,062 km (0.064 R)
• M19: 54,533,361 km (0.075 R)
• M20: 54,885,514 km (0.107 R)
• M21: 56,668,272 km (0.038 R)
• M22: 62,632,440 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 10,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit