🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 13.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.78 AU - 0.88 AU

Year: 513 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,049,611 km

• M1: 168,148 km (0.107 R)
• M2: 429,047 km (0.113 R)
• M3: 681,418 km (0.084 R)
• M4: 1,049,130 km (0.037 R)
• M5: 1,311,674 km (0.111 R)
• M6: 2,097,213 km (0.045 R)
• M7: 2,359,009 km (0.059 R)
• M8: 2,624,545 km (0.091 R)
• M9: 3,030,105 km (0.093 R)
• M10: 3,295,791 km (0.068 R)
• M11: 3,588,404 km (0.116 R)
• M12: 3,902,111 km (0.073 R)
• M13: 4,415,680 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 10.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.69 AU - 1.15 AU

Year: 599 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,049,611 km

• M1: 135,536 km (0.106 R)
• M2: 345,122 km (0.101 R)
• M3: 956,678 km (0.029 R)
• M4: 1,226,403 km (0.113 R)
• M5: 1,438,832 km (0.102 R)
• M6: 1,913,058 km (0.111 R)
• M7: 2,522,818 km (0.07 R)
• M8: 3,028,011 km (0.062 R)
• M9: 3,239,991 km (0.094 R)
• M10: 3,783,181 km (0.085 R)
• M11: 4,183,056 km (0.118 R)
• M12: 4,496,762 km (0.094 R)
• M13: 5,113,405 km (0.116 R)
• M14: 5,929,162 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.3

Radius: 8.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.19 AU - 2.45 AU

Year: 2397 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,049,611 km

• M1: 148,401 km (0.06 R)
• M2: 363,523 km (0.108 R)
• M3: 539,151 km (0.099 R)
• M4: 696,079 km (0.075 R)
• M5: 1,170,753 km (0.12 R)
• M6: 1,529,040 km (0.088 R)
• M7: 2,852,682 km (0.104 R)
• M8: 3,024,869 km (0.092 R)
• M9: 3,451,672 km (0.062 R)
• M10: 3,724,389 km (0.086 R)
• M11: 3,893,285 km (0.037 R)
• M12: 4,272,216 km (0.114 R)
• M13: 4,591,308 km (0.095 R)
• M14: 4,747,488 km (0.065 R)
• M15: 5,067,777 km (0.114 R)
• M16: 5,534,074 km (0.098 R)
• M17: 7,039,477 km (0.106 R)
• M18: 7,350,791 km (0.111 R)
• M19: 8,793,064 km (0.03 R)
• M20: 9,053,514 km (0.097 R)
• M21: 9,229,291 km (0.059 R)
• M22: 9,789,385 km (0.028 R)
• M23: 10,983,924 km (0.068 R)
• M24: 11,177,504 km (0.114 R)
• M25: 11,471,314 km (0.106 R)
• M26: 12,426,646 km (0.089 R)
• M27: 12,971,183 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 11.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.65 AU - 3.35 AU

Year: 3524 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,049,611 km

• M1: 145,559 km (0.105 R)
• M2: 722,109 km (0.096 R)
• M3: 1,124,677 km (0.082 R)
• M4: 1,382,733 km (0.118 R)
• M5: 1,683,275 km (0.108 R)
• M6: 2,367,087 km (0.119 R)
• M7: 2,797,480 km (0.08 R)
• M8: 3,176,112 km (0.119 R)
• M9: 3,791,708 km (0.059 R)
• M10: 4,592,206 km (0.104 R)
• M11: 4,966,051 km (0.104 R)
• M12: 5,519,563 km (0.079 R)
• M13: 6,690,316 km (0.108 R)
• M14: 6,954,356 km (0.081 R)
• M15: 7,277,936 km (0.065 R)
• M16: 7,637,121 km (0.117 R)
• M17: 7,947,836 km (0.098 R)
• M18: 8,558,644 km (0.1 R)
• M19: 8,978,565 km (0.096 R)
• M20: 10,169,962 km (0.11 R)
• M21: 10,561,909 km (0.109 R)
• M22: 10,927,676 km (0.083 R)
• M23: 11,265,767 km (0.056 R)
• M24: 11,539,980 km (0.087 R)
• M25: 13,292,369 km (0.115 R)
• M26: 15,011,997 km (0.088 R)
• M27: 16,712,326 km (0.061 R)
• M28: 17,554,263 km (0.076 R)
• M29: 17,810,973 km (0.115 R)
• M30: 18,112,861 km (0.087 R)
• M31: 20,665,749 km (0.102 R)
• M32: 21,648,906 km (0.059 R)
• M33: 22,029,633 km (0.113 R)
• M34: 23,932,967 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 14.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.31 AU - 3.79 AU

Year: 3613 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,049,611 km

• M1: 179,517 km (0.077 R)
• M2: 503,995 km (0.08 R)
• M3: 792,869 km (0.115 R)
• M4: 1,942,977 km (0.081 R)
• M5: 2,215,544 km (0.107 R)
• M6: 2,867,941 km (0.091 R)
• M7: 3,628,796 km (0.103 R)
• M8: 4,382,470 km (0.073 R)
• M9: 4,671,044 km (0.088 R)
• M10: 5,321,795 km (0.028 R)
• M11: 6,856,968 km (0.11 R)
• M12: 7,298,431 km (0.032 R)
• M13: 7,945,741 km (0.052 R)
• M14: 8,649,898 km (0.108 R)
• M15: 9,504,850 km (0.112 R)
• M16: 9,932,401 km (0.099 R)
• M17: 11,108,240 km (0.112 R)
• M18: 11,940,603 km (0.044 R)
• M19: 13,371,806 km (0.113 R)
• M20: 14,583,399 km (0.072 R)
• M21: 16,281,634 km (0.084 R)
• M22: 19,873,928 km (0.047 R)
• M23: 20,138,117 km (0.1 R)
• M24: 21,393,842 km (0.098 R)
• M25: 21,713,832 km (0.115 R)
• M26: 22,828,785 km (0.076 R)
• M27: 23,540,123 km (0.106 R)
• M28: 24,068,652 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 9.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.55 AU - 5.61 AU

Year: 6648 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,049,611 km

• M1: 164,558 km (0.093 R)
• M2: 449,691 km (0.077 R)
• M3: 1,353,113 km (0.119 R)
• M4: 2,080,906 km (0.11 R)
• M5: 2,311,885 km (0.119 R)
• M6: 3,386,447 km (0.043 R)
• M7: 3,895,379 km (0.091 R)
• M8: 4,213,274 km (0.109 R)
• M9: 4,648,604 km (0.095 R)
• M10: 5,385,075 km (0.091 R)
• M11: 6,116,309 km (0.057 R)
• M12: 7,220,192 km (0.104 R)
• M13: 7,721,644 km (0.062 R)
• M14: 8,667,701 km (0.056 R)
• M15: 9,745,553 km (0.118 R)
• M16: 10,054,174 km (0.101 R)
• M17: 10,367,581 km (0.102 R)
• M18: 11,420,002 km (0.12 R)
• M19: 12,917,926 km (0.091 R)
• M20: 13,184,060 km (0.107 R)
• M21: 13,770,035 km (0.11 R)
• M22: 16,341,922 km (0.043 R)
• M23: 16,893,040 km (0.028 R)
• M24: 18,974,695 km (0.057 R)
• M25: 19,459,841 km (0.084 R)
• M26: 20,282,180 km (0.093 R)
• M27: 21,633,348 km (0.101 R)
• M28: 24,528,216 km (0.078 R)
• M29: 33,093,742 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346

Radius: 4.8

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.06 AU - 7.6 AU

Year: 10802 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,049,611 km

• M1: 82,877 km (0.073 R)
• M2: 245,191 km (0.092 R)
• M3: 384,766 km (0.11 R)
• M4: 618,438 km (0.055 R)
• M5: 835,055 km (0.097 R)
• M6: 1,632,861 km (0.07 R)
• M7: 1,779,167 km (0.075 R)
• M8: 1,880,296 km (0.117 R)
• M9: 2,073,127 km (0.069 R)
• M10: 2,351,828 km (0.081 R)
• M11: 2,628,285 km (0.095 R)
• M12: 2,814,235 km (0.105 R)
• M13: 2,920,450 km (0.07 R)
• M14: 4,246,186 km (0.077 R)
• M15: 4,644,116 km (0.056 R)
• M16: 4,919,376 km (0.097 R)
• M17: 5,493,982 km (0.044 R)
• M18: 6,352,374 km (0.085 R)
• M19: 8,736,366 km (0.072 R)
• M20: 10,333,922 km (0.114 R)
• M21: 11,545,365 km (0.119 R)
• M22: 11,978,750 km (0.099 R)
• M23: 12,643,862 km (0.118 R)
• M24: 13,327,076 km (0.07 R)
• M25: 13,792,475 km (0.117 R)
• M26: 18,019,363 km (0.111 R)
• M27: 18,943,728 km (0.045 R)
• M28: 19,386,837 km (0.067 R)
• M29: 19,666,286 km (0.083 R)
• M30: 20,919,916 km (0.107 R)
• M31: 22,933,653 km (0.107 R)
• M32: 29,600,482 km (0.092 R)
• M33: 29,738,411 km (0.074 R)
• M34: 30,084,431 km (0.102 R)
• M35: 32,131,379 km (0.102 R)
• M36: 32,998,149 km (0.084 R)
• M37: 34,542,896 km (0.065 R)
• M38: 38,677,333 km (0.084 R)
• M39: 38,992,835 km (0.079 R)
• M40: 39,787,498 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.1

Radius: 7.8

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.65 AU - 8.43 AU

Year: 15462 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,049,611 km

• M1: 97,987 km (0.049 R)
• M2: 293,511 km (0.116 R)
• M3: 1,032,375 km (0.079 R)
• M4: 1,211,593 km (0.12 R)
• M5: 2,131,919 km (0.076 R)
• M6: 7,828,008 km (0.084 R)
• M7: 11,773,951 km (0.12 R)
• M8: 12,274,954 km (0.071 R)
• M9: 16,205,489 km (0.118 R)
• M10: 16,595,939 km (0.12 R)
• M11: 17,391,052 km (0.096 R)
• M12: 18,827,341 km (0.116 R)
• M13: 20,684,898 km (0.11 R)
• M14: 24,984,340 km (0.093 R)
• M15: 27,118,952 km (0.083 R)
• M16: 27,708,667 km (0.096 R)
• M17: 29,167,246 km (0.069 R)
• M18: 32,380,010 km (0.067 R)
• M19: 34,615,451 km (0.079 R)
• M20: 36,632,779 km (0.1 R)
• M21: 36,828,004 km (0.12 R)
• M22: 42,397,383 km (0.114 R)
• M23: 46,036,800 km (0.071 R)
• M24: 51,545,891 km (0.091 R)
• M25: 54,595,893 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit