🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 14.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,669,008 km

• M1: 182,809 km (0.112 R)
• M2: 681,568 km (0.061 R)
• M3: 1,229,545 km (0.11 R)
• M4: 1,755,830 km (0.093 R)
• M5: 2,703,084 km (0.094 R)
• M6: 3,178,506 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 11

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.61 AU - 0.93 AU

Year: 451 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,669,008 km

• M1: 137,630 km (0.062 R)
• M2: 538,104 km (0.072 R)
• M3: 1,271,283 km (0.107 R)
• M4: 1,670,859 km (0.114 R)
• M5: 2,154,658 km (0.082 R)
• M6: 2,518,331 km (0.098 R)
• M7: 3,011,405 km (0.11 R)
• M8: 3,505,826 km (0.068 R)
• M9: 4,026,576 km (0.095 R)
• M10: 4,704,105 km (0.117 R)
• M11: 5,557,411 km (0.116 R)
• M12: 6,212,201 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 10.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.78 AU - 1.12 AU

Year: 617 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,669,008 km

• M1: 135,536 km (0.063 R)
• M2: 555,457 km (0.082 R)
• M3: 1,164,619 km (0.117 R)
• M4: 2,213,001 km (0.025 R)
• M5: 2,950,519 km (0.1 R)
• M6: 3,545,021 km (0.072 R)
• M7: 4,600,583 km (0.08 R)
• M8: 6,218,933 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 13.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.22 AU - 1.78 AU

Year: 1225 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,669,008 km

• M1: 165,605 km (0.097 R)
• M2: 688,001 km (0.108 R)
• M3: 1,109,567 km (0.1 R)
• M4: 1,933,702 km (0.083 R)
• M5: 2,414,659 km (0.118 R)
• M6: 3,460,049 km (0.069 R)
• M7: 4,078,188 km (0.093 R)
• M8: 5,577,757 km (0.074 R)
• M9: 6,795,782 km (0.089 R)
• M10: 7,467,926 km (0.109 R)
• M11: 8,370,150 km (0.075 R)
• M12: 9,286,138 km (0.092 R)
• M13: 9,873,011 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 12.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.02 AU - 4.58 AU

Year: 4940 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,669,008 km

• M1: 154,385 km (0.079 R)
• M2: 540,796 km (0.046 R)
• M3: 1,111,662 km (0.115 R)
• M4: 1,654,403 km (0.118 R)
• M5: 2,130,722 km (0.076 R)
• M6: 3,869,499 km (0.077 R)
• M7: 5,136,592 km (0.109 R)
• M8: 6,043,904 km (0.112 R)
• M9: 8,102,520 km (0.031 R)
• M10: 9,906,371 km (0.07 R)
• M11: 10,548,744 km (0.091 R)
• M12: 11,082,360 km (0.11 R)
• M13: 11,869,245 km (0.115 R)
• M14: 13,451,242 km (0.111 R)
• M15: 14,947,221 km (0.098 R)
• M16: 15,337,970 km (0.067 R)
• M17: 18,330,825 km (0.12 R)
• M18: 19,234,097 km (0.091 R)
• M19: 19,630,233 km (0.059 R)
• M20: 20,438,809 km (0.046 R)
• M21: 21,835,754 km (0.101 R)
• M22: 23,670,123 km (0.051 R)
• M23: 26,165,416 km (0.04 R)
• M24: 26,733,738 km (0.094 R)
• M25: 27,227,560 km (0.082 R)
• M26: 28,488,521 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 10.3

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.7 AU - 5.14 AU

Year: 7277 Days

Day: 6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,669,008 km

• M1: 131,796 km (0.099 R)
• M2: 494,271 km (0.066 R)
• M3: 1,162,824 km (0.065 R)
• M4: 1,863,541 km (0.087 R)
• M5: 2,204,325 km (0.115 R)
• M6: 2,992,705 km (0.092 R)
• M7: 7,570,101 km (0.094 R)
• M8: 9,026,137 km (0.118 R)
• M9: 10,308,939 km (0.116 R)
• M10: 10,660,643 km (0.111 R)
• M11: 15,661,251 km (0.088 R)
• M12: 19,493,500 km (0.094 R)
• M13: 20,265,874 km (0.07 R)
• M14: 22,875,310 km (0.091 R)
• M15: 25,244,790 km (0.081 R)
• M16: 26,442,172 km (0.117 R)
• M17: 27,773,443 km (0.067 R)
• M18: 29,148,996 km (0.11 R)
• M19: 42,983,807 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.3

Radius: 7

Gravity: 18.17 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.96 AU - 11.14 AU

Year: 18155 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,669,008 km

• M1: 88,412 km (0.068 R)
• M2: 571,464 km (0.073 R)
• M3: 859,889 km (0.07 R)
• M4: 1,096,253 km (0.054 R)
• M5: 1,983,518 km (0.119 R)
• M6: 2,756,490 km (0.089 R)
• M7: 3,536,643 km (0.037 R)
• M8: 4,122,469 km (0.112 R)
• M9: 4,387,706 km (0.063 R)
• M10: 5,252,830 km (0.051 R)
• M11: 6,056,470 km (0.068 R)
• M12: 6,711,110 km (0.119 R)
• M13: 7,315,785 km (0.119 R)
• M14: 11,795,493 km (0.104 R)
• M15: 12,061,628 km (0.112 R)
• M16: 12,814,105 km (0.037 R)
• M17: 13,380,632 km (0.073 R)
• M18: 17,478,267 km (0.114 R)
• M19: 17,911,652 km (0.097 R)
• M20: 20,376,427 km (0.076 R)
• M21: 20,759,697 km (0.067 R)
• M22: 25,410,844 km (0.108 R)
• M23: 26,417,787 km (0.104 R)
• M24: 30,337,551 km (0.037 R)
• M25: 33,953,630 km (0.033 R)
• M26: 40,803,418 km (0.112 R)
• M27: 43,276,719 km (0.086 R)
• M28: 43,910,266 km (0.066 R)
• M29: 48,519,676 km (0.041 R)
• M30: 49,031,899 km (0.027 R)
• M31: 55,276,862 km (0.09 R)
• M32: 55,835,610 km (0.084 R)
• M33: 58,108,151 km (0.082 R)
• M34: 59,073,058 km (0.107 R)
• M35: 66,757,751 km (0.085 R)
• M36: 67,391,447 km (0.062 R)
• M37: 69,966,027 km (0.029 R)
• M38: 73,275,580 km (0.076 R)
• M39: 75,997,065 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871

Radius: 4.8

Gravity: 37.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.3 AU - 10.32 AU

Year: 18943 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,669,008 km

• M1: 60,587 km (0.12 R)
• M2: 222,452 km (0.082 R)
• M3: 1,090,718 km (0.106 R)
• M4: 1,658,292 km (0.113 R)
• M5: 2,614,372 km (0.111 R)
• M6: 4,215,668 km (0.07 R)
• M7: 4,593,253 km (0.109 R)
• M8: 5,105,925 km (0.112 R)
• M9: 5,575,064 km (0.114 R)
• M10: 7,792,254 km (0.112 R)
• M11: 8,255,110 km (0.069 R)
• M12: 8,627,608 km (0.079 R)
• M13: 10,784,810 km (0.047 R)
• M14: 15,640,158 km (0.102 R)
• M15: 16,709,633 km (0.083 R)
• M16: 17,048,173 km (0.104 R)
• M17: 17,391,500 km (0.106 R)
• M18: 18,448,709 km (0.079 R)
• M19: 19,084,799 km (0.053 R)
• M20: 19,735,400 km (0.091 R)
• M21: 24,709,828 km (0.06 R)
• M22: 27,191,807 km (0.116 R)
• M23: 29,464,946 km (0.055 R)
• M24: 33,708,739 km (0.11 R)
• M25: 34,658,386 km (0.035 R)
• M26: 37,759,251 km (0.032 R)
• M27: 40,429,872 km (0.114 R)
• M28: 40,581,863 km (0.117 R)
• M29: 43,223,762 km (0.057 R)
• M30: 44,667,830 km (0.117 R)
• M31: 47,313,917 km (0.12 R)
• M32: 47,651,859 km (0.095 R)
• M33: 51,833,418 km (0.084 R)
• M34: 56,822,657 km (0.101 R)
• M35: 57,588,000 km (0.083 R)
• M36: 73,691,612 km (0.097 R)
• M37: 76,443,914 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.7

Radius: 6

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.4 AU - 10.94 AU

Year: 23242 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,669,008 km

• M1: 74,649 km (0.03 R)
• M2: 424,110 km (0.079 R)
• M3: 849,118 km (0.116 R)
• M4: 1,361,640 km (0.093 R)
• M5: 2,147,178 km (0.068 R)
• M6: 2,372,323 km (0.112 R)
• M7: 2,563,659 km (0.116 R)
• M8: 2,923,591 km (0.047 R)
• M9: 3,115,824 km (0.078 R)
• M10: 4,347,464 km (0.108 R)
• M11: 5,091,115 km (0.114 R)
• M12: 5,576,261 km (0.11 R)
• M13: 6,498,681 km (0.097 R)
• M14: 7,673,024 km (0.042 R)
• M15: 8,147,848 km (0.1 R)
• M16: 8,641,970 km (0.037 R)
• M17: 11,082,659 km (0.11 R)
• M18: 11,620,613 km (0.093 R)
• M19: 15,384,495 km (0.041 R)
• M20: 15,633,277 km (0.111 R)
• M21: 17,360,384 km (0.07 R)
• M22: 20,682,354 km (0.078 R)
• M23: 22,017,067 km (0.045 R)
• M24: 25,199,462 km (0.085 R)
• M25: 29,815,903 km (0.083 R)
• M26: 35,975,146 km (0.09 R)
• M27: 40,678,653 km (0.112 R)
• M28: 45,095,530 km (0.105 R)
• M29: 48,388,478 km (0.104 R)
• M30: 48,744,222 km (0.051 R)
• M31: 52,584,848 km (0.094 R)
• M32: 62,952,878 km (0.12 R)
• M33: 64,875,510 km (0.039 R)
• M34: 66,397,519 km (0.102 R)
• M35: 77,481,524 km (0.112 R)
• M36: 77,724,771 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 13,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit