🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 8.8

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.08 AU - 1.42 AU

Year: 965 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,507,130 km

• M1: 111,301 km (0.118 R)
• M2: 516,711 km (0.11 R)
• M3: 1,522,906 km (0.095 R)
• M4: 1,712,447 km (0.03 R)
• M5: 2,040,515 km (0.062 R)
• M6: 2,223,473 km (0.05 R)
• M7: 4,097,186 km (0.079 R)
• M8: 4,400,870 km (0.059 R)
• M9: 4,770,975 km (0.111 R)
• M10: 5,473,487 km (0.09 R)
• M11: 5,787,942 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 9.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.85 AU - 3.77 AU

Year: 4157 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,507,130 km

• M1: 114,442 km (0.056 R)
• M2: 300,093 km (0.109 R)
• M3: 670,946 km (0.108 R)
• M4: 1,201,271 km (0.052 R)
• M5: 1,610,720 km (0.095 R)
• M6: 2,610,932 km (0.11 R)
• M7: 2,835,478 km (0.057 R)
• M8: 3,280,233 km (0.071 R)
• M9: 3,566,862 km (0.116 R)
• M10: 3,865,759 km (0.1 R)
• M11: 4,385,162 km (0.078 R)
• M12: 4,578,742 km (0.114 R)
• M13: 5,061,046 km (0.101 R)
• M14: 5,720,772 km (0.086 R)
• M15: 6,077,264 km (0.093 R)
• M16: 6,538,474 km (0.077 R)
• M17: 6,871,479 km (0.099 R)
• M18: 7,689,779 km (0.028 R)
• M19: 7,947,088 km (0.083 R)
• M20: 8,182,256 km (0.047 R)
• M21: 8,447,642 km (0.094 R)
• M22: 10,664,832 km (0.099 R)
• M23: 13,684,016 km (0.096 R)
• M24: 14,270,590 km (0.041 R)
• M25: 14,621,397 km (0.079 R)
• M26: 14,940,788 km (0.077 R)
• M27: 15,299,823 km (0.078 R)
• M28: 16,253,210 km (0.111 R)
• M29: 18,964,522 km (0.098 R)
• M30: 19,287,653 km (0.057 R)
• M31: 20,524,379 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 10.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.24 AU - 4.92 AU

Year: 5689 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 83.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,507,130 km

• M1: 136,732 km (0.119 R)
• M2: 365,617 km (0.096 R)
• M3: 589,416 km (0.052 R)
• M4: 802,144 km (0.032 R)
• M5: 1,012,329 km (0.08 R)
• M6: 1,239,119 km (0.049 R)
• M7: 2,953,062 km (0.106 R)
• M8: 3,706,886 km (0.093 R)
• M9: 4,037,946 km (0.116 R)
• M10: 4,266,830 km (0.079 R)
• M11: 4,502,148 km (0.056 R)
• M12: 5,615,156 km (0.116 R)
• M13: 6,106,735 km (0.054 R)
• M14: 7,677,213 km (0.116 R)
• M15: 7,898,319 km (0.098 R)
• M16: 8,350,104 km (0.09 R)
• M17: 9,017,760 km (0.063 R)
• M18: 10,103,990 km (0.071 R)
• M19: 10,578,215 km (0.045 R)
• M20: 11,753,456 km (0.08 R)
• M21: 12,950,388 km (0.1 R)
• M22: 13,907,815 km (0.085 R)
• M23: 14,377,851 km (0.087 R)
• M24: 14,637,553 km (0.09 R)
• M25: 18,033,874 km (0.094 R)
• M26: 19,312,038 km (0.086 R)
• M27: 20,479,350 km (0.082 R)
• M28: 21,840,392 km (0.054 R)
• M29: 22,537,518 km (0.099 R)
• M30: 23,964,681 km (0.078 R)
• M31: 26,480,469 km (0.109 R)
• M32: 28,754,656 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.4

Radius: 5

Gravity: 30.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.4 AU - 7.68 AU

Year: 11545 Days

Day: 22.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 60,507,130 km

• M1: 108,010 km (0.078 R)
• M2: 328,966 km (0.116 R)
• M3: 522,994 km (0.036 R)
• M4: 732,880 km (0.045 R)
• M5: 1,616,854 km (0.109 R)
• M6: 1,729,351 km (0.099 R)
• M7: 2,439,941 km (0.074 R)
• M8: 3,276,493 km (0.102 R)
• M9: 5,463,613 km (0.102 R)
• M10: 5,671,255 km (0.089 R)
• M11: 6,281,166 km (0.112 R)
• M12: 7,434,117 km (0.104 R)
• M13: 8,341,876 km (0.109 R)
• M14: 9,618,993 km (0.1 R)
• M15: 9,756,324 km (0.104 R)
• M16: 11,832,593 km (0.087 R)
• M17: 12,189,683 km (0.073 R)
• M18: 14,220,923 km (0.073 R)
• M19: 16,112,588 km (0.104 R)
• M20: 17,748,441 km (0.081 R)
• M21: 19,204,477 km (0.081 R)
• M22: 21,530,874 km (0.119 R)
• M23: 22,150,508 km (0.077 R)
• M24: 27,503,269 km (0.119 R)
• M25: 28,360,166 km (0.119 R)
• M26: 29,710,287 km (0.064 R)
• M27: 31,256,530 km (0.039 R)
• M28: 32,002,724 km (0.099 R)
• M29: 34,035,610 km (0.085 R)
• M30: 35,338,009 km (0.091 R)
• M31: 36,042,615 km (0.067 R)
• M32: 37,112,539 km (0.111 R)
• M33: 37,653,485 km (0.12 R)
• M34: 37,834,648 km (0.048 R)
• M35: 40,229,411 km (0.095 R)
• M36: 41,834,895 km (0.091 R)
• M37: 45,338,926 km (0.039 R)
• M38: 45,438,259 km (0.084 R)
• M39: 46,437,722 km (0.119 R)
• M40: 47,143,675 km (0.082 R)
• M41: 47,245,102 km (0.093 R)
• M42: 47,957,188 km (0.071 R)
• M43: 50,334,896 km (0.072 R)
• M44: 50,964,554 km (0.111 R)
• M45: 53,091,836 km (0.065 R)
• M46: 54,498,056 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.5

Radius: 5.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.52 AU - 8.02 AU

Year: 12159 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,507,130 km

• M1: 87,515 km (0.096 R)
• M2: 263,292 km (0.117 R)
• M3: 396,434 km (0.109 R)
• M4: 1,117,197 km (0.109 R)
• M5: 1,909,018 km (0.116 R)
• M6: 3,302,971 km (0.081 R)
• M7: 3,581,074 km (0.08 R)
• M8: 3,805,321 km (0.068 R)
• M9: 4,171,686 km (0.11 R)
• M10: 9,382,330 km (0.099 R)
• M11: 11,663,248 km (0.106 R)
• M12: 14,383,985 km (0.107 R)
• M13: 15,387,338 km (0.114 R)
• M14: 16,019,239 km (0.114 R)
• M15: 17,672,146 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.2

Radius: 3.1

Gravity: 27.7 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.69 AU - 10.87 AU

Year: 22751 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,507,130 km

• M1: 92,900 km (0.111 R)
• M2: 406,457 km (0.085 R)
• M3: 2,337,916 km (0.114 R)
• M4: 3,878,474 km (0.072 R)
• M5: 7,028,706 km (0.071 R)
• M6: 7,235,899 km (0.101 R)
• M7: 8,183,004 km (0.111 R)
• M8: 10,960,737 km (0.059 R)
• M9: 13,113,301 km (0.109 R)
• M10: 13,510,034 km (0.09 R)
• M11: 14,557,070 km (0.071 R)
• M12: 14,974,896 km (0.067 R)
• M13: 15,459,594 km (0.103 R)
• M14: 25,743,998 km (0.072 R)
• M15: 25,901,974 km (0.087 R)
• M16: 27,101,898 km (0.115 R)
• M17: 31,647,280 km (0.105 R)
• M18: 32,883,258 km (0.076 R)
• M19: 39,516,278 km (0.078 R)
• M20: 57,050,794 km (0.094 R)
• M21: 59,663,520 km (0.038 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit