🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 13.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.18 AU - 1.76 AU

Year: 1169 Days

Day: 5.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 82.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,985,328 km

• M1: 171,589 km (0.047 R)
• M2: 625,917 km (0.069 R)
• M3: 1,147,715 km (0.064 R)
• M4: 1,808,040 km (0.092 R)
• M5: 2,675,558 km (0.113 R)
• M6: 3,205,733 km (0.084 R)
• M7: 3,757,001 km (0.081 R)
• M8: 4,335,496 km (0.101 R)
• M9: 4,894,992 km (0.102 R)
• M10: 6,069,335 km (0.073 R)
• M11: 6,650,972 km (0.075 R)
• M12: 7,475,555 km (0.099 R)
• M13: 8,007,824 km (0.101 R)
• M14: 8,824,629 km (0.109 R)
• M15: 10,362,794 km (0.069 R)
• M16: 10,924,534 km (0.067 R)
• M17: 11,752,259 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 11.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.35 AU - 3.53 AU

Year: 3307 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,985,328 km

• M1: 145,708 km (0.107 R)
• M2: 514,317 km (0.112 R)
• M3: 911,500 km (0.036 R)
• M4: 1,649,616 km (0.109 R)
• M5: 2,164,532 km (0.105 R)
• M6: 2,738,389 km (0.079 R)
• M7: 4,449,190 km (0.066 R)
• M8: 5,660,035 km (0.114 R)
• M9: 6,412,214 km (0.082 R)
• M10: 7,352,287 km (0.053 R)
• M11: 9,251,282 km (0.093 R)
• M12: 11,006,813 km (0.028 R)
• M13: 11,499,140 km (0.119 R)
• M14: 12,308,763 km (0.065 R)
• M15: 13,065,130 km (0.117 R)
• M16: 13,710,944 km (0.109 R)
• M17: 15,622,954 km (0.113 R)
• M18: 16,938,369 km (0.106 R)
• M19: 18,326,188 km (0.119 R)
• M20: 19,430,819 km (0.113 R)
• M21: 20,394,827 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 14.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.76 AU - 4.4 AU

Year: 4444 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 95,985,328 km

• M1: 179,069 km (0.099 R)
• M2: 691,890 km (0.116 R)
• M3: 1,628,522 km (0.107 R)
• M4: 3,295,940 km (0.117 R)
• M5: 3,758,347 km (0.119 R)
• M6: 4,213,424 km (0.118 R)
• M7: 4,668,950 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 12.4

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.1 AU - 4.32 AU

Year: 5667 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 95,985,328 km

• M1: 154,235 km (0.074 R)
• M2: 630,854 km (0.104 R)
• M3: 1,204,562 km (0.078 R)
• M4: 1,880,146 km (0.102 R)
• M5: 2,815,731 km (0.092 R)
• M6: 3,464,986 km (0.089 R)
• M7: 4,979,365 km (0.075 R)
• M8: 5,713,741 km (0.118 R)
• M9: 6,967,072 km (0.089 R)
• M10: 8,079,781 km (0.066 R)
• M11: 9,436,933 km (0.102 R)
• M12: 10,330,331 km (0.09 R)
• M13: 10,797,825 km (0.064 R)
• M14: 11,674,917 km (0.061 R)
• M15: 12,704,450 km (0.113 R)
• M16: 13,905,870 km (0.106 R)
• M17: 15,603,507 km (0.112 R)
• M18: 17,369,958 km (0.104 R)
• M19: 27,079,010 km (0.06 R)
• M20: 28,240,338 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 10.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.52 AU - 5.02 AU

Year: 5788 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,985,328 km

• M1: 180,864 km (0.072 R)
• M2: 768,634 km (0.106 R)
• M3: 1,246,150 km (0.092 R)
• M4: 1,631,215 km (0.064 R)
• M5: 2,205,671 km (0.081 R)
• M6: 2,740,334 km (0.065 R)
• M7: 3,402,753 km (0.107 R)
• M8: 4,877,938 km (0.118 R)
• M9: 5,483,510 km (0.104 R)
• M10: 6,203,674 km (0.119 R)
• M11: 7,680,205 km (0.095 R)
• M12: 8,260,495 km (0.104 R)
• M13: 10,315,970 km (0.057 R)
• M14: 11,761,684 km (0.094 R)
• M15: 12,585,968 km (0.059 R)
• M16: 13,393,198 km (0.115 R)
• M17: 15,898,963 km (0.092 R)
• M18: 16,650,542 km (0.1 R)
• M19: 18,157,142 km (0.044 R)
• M20: 18,770,793 km (0.119 R)
• M21: 19,327,746 km (0.072 R)
• M22: 20,183,894 km (0.105 R)
• M23: 21,895,294 km (0.103 R)
• M24: 23,380,352 km (0.104 R)
• M25: 26,031,675 km (0.077 R)
• M26: 26,899,792 km (0.078 R)
• M27: 27,966,724 km (0.076 R)
• M28: 28,419,556 km (0.113 R)
• M29: 29,901,473 km (0.103 R)
• M30: 32,818,033 km (0.065 R)
• M31: 33,933,285 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 8.5

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.84 AU - 6.36 AU

Year: 7556 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 95,985,328 km

• M1: 112,348 km (0.12 R)
• M2: 383,569 km (0.036 R)
• M3: 743,501 km (0.064 R)
• M4: 1,104,481 km (0.107 R)
• M5: 1,837,660 km (0.042 R)
• M6: 2,206,419 km (0.067 R)
• M7: 2,924,638 km (0.099 R)
• M8: 4,309,615 km (0.034 R)
• M9: 5,490,541 km (0.089 R)
• M10: 6,121,545 km (0.083 R)
• M11: 6,689,568 km (0.052 R)
• M12: 7,214,956 km (0.106 R)
• M13: 9,318,900 km (0.089 R)
• M14: 12,236,059 km (0.118 R)
• M15: 12,624,864 km (0.116 R)
• M16: 15,582,114 km (0.047 R)
• M17: 17,117,587 km (0.096 R)
• M18: 22,408,564 km (0.117 R)
• M19: 22,907,324 km (0.041 R)
• M20: 23,243,769 km (0.07 R)
• M21: 27,260,771 km (0.096 R)
• M22: 28,116,321 km (0.076 R)
• M23: 34,833,864 km (0.1 R)
• M24: 36,408,831 km (0.089 R)
• M25: 39,699,984 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 14.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.03 AU - 6.45 AU

Year: 7869 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,985,328 km

• M1: 180,864 km (0.05 R)
• M2: 808,726 km (0.106 R)
• M3: 1,491,790 km (0.095 R)
• M4: 2,460,287 km (0.084 R)
• M5: 2,995,847 km (0.063 R)
• M6: 3,840,028 km (0.099 R)
• M7: 4,782,794 km (0.053 R)
• M8: 5,843,442 km (0.05 R)
• M9: 6,329,486 km (0.099 R)
• M10: 6,807,601 km (0.09 R)
• M11: 7,532,552 km (0.106 R)
• M12: 9,572,169 km (0.115 R)
• M13: 12,060,730 km (0.115 R)
• M14: 12,744,991 km (0.106 R)
• M15: 13,735,029 km (0.101 R)
• M16: 19,902,351 km (0.049 R)
• M17: 23,995,050 km (0.08 R)
• M18: 25,333,203 km (0.086 R)
• M19: 35,270,989 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.5

Radius: 5.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.41 AU - 11.33 AU

Year: 21907 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,985,328 km

• M1: 69,862 km (0.072 R)
• M2: 258,505 km (0.074 R)
• M3: 713,133 km (0.078 R)
• M4: 2,973,258 km (0.069 R)
• M5: 3,416,965 km (0.041 R)
• M6: 4,435,427 km (0.119 R)
• M7: 6,048,840 km (0.063 R)
• M8: 8,797,103 km (0.07 R)
• M9: 10,549,043 km (0.115 R)
• M10: 10,943,084 km (0.086 R)
• M11: 13,012,322 km (0.103 R)
• M12: 16,937,920 km (0.053 R)
• M13: 17,660,777 km (0.088 R)
• M14: 21,032,114 km (0.101 R)
• M15: 23,676,556 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.2

Radius: 6.4

Gravity: 23 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.27 AU - 12.87 AU

Year: 24162 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 95,985,328 km

• M1: 79,736 km (0.103 R)
• M2: 371,900 km (0.076 R)
• M3: 1,006,345 km (0.097 R)
• M4: 1,340,247 km (0.062 R)
• M5: 1,745,807 km (0.113 R)
• M6: 2,854,627 km (0.108 R)
• M7: 3,134,674 km (0.052 R)
• M8: 6,171,660 km (0.088 R)
• M9: 6,593,227 km (0.057 R)
• M10: 7,033,942 km (0.078 R)
• M11: 7,865,407 km (0.109 R)
• M12: 8,995,021 km (0.108 R)
• M13: 10,423,082 km (0.115 R)
• M14: 12,139,867 km (0.116 R)
• M15: 13,027,431 km (0.099 R)
• M16: 14,036,918 km (0.077 R)
• M17: 14,848,187 km (0.1 R)
• M18: 16,832,154 km (0.08 R)
• M19: 20,691,779 km (0.08 R)
• M20: 22,171,152 km (0.109 R)
• M21: 24,636,077 km (0.073 R)
• M22: 25,575,850 km (0.08 R)
• M23: 29,183,553 km (0.098 R)
• M24: 31,040,661 km (0.043 R)
• M25: 32,275,441 km (0.104 R)
• M26: 33,542,386 km (0.114 R)
• M27: 35,876,262 km (0.078 R)
• M28: 40,216,994 km (0.098 R)
• M29: 41,518,645 km (0.066 R)
• M30: 45,591,896 km (0.108 R)
• M31: 47,724,862 km (0.094 R)
• M32: 49,923,502 km (0.083 R)
• M33: 56,115,059 km (0.11 R)
• M34: 56,720,481 km (0.094 R)
• M35: 75,004,034 km (0.054 R)
• M36: 77,471,202 km (0.097 R)
• M37: 78,724,832 km (0.119 R)
• M38: 88,152,640 km (0.096 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: 313 - 14,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit