🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 37.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 10.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.9 AU - 3.16 AU

Year: 2640 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,366,852 km

• M1: 129,402 km (0.089 R)
• M2: 502,798 km (0.056 R)
• M3: 837,150 km (0.105 R)
• M4: 1,365,679 km (0.072 R)
• M5: 1,753,137 km (0.1 R)
• M6: 2,337,916 km (0.039 R)
• M7: 2,692,163 km (0.041 R)
• M8: 3,700,603 km (0.109 R)
• M9: 4,039,442 km (0.083 R)
• M10: 7,149,731 km (0.12 R)
• M11: 8,133,187 km (0.081 R)
• M12: 8,571,509 km (0.052 R)
• M13: 9,276,714 km (0.11 R)
• M14: 9,755,427 km (0.054 R)
• M15: 11,625,251 km (0.083 R)
• M16: 15,440,744 km (0.1 R)
• M17: 19,476,895 km (0.12 R)
• M18: 20,140,511 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 11.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2 AU - 3.08 AU

Year: 2656 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,366,852 km

• M1: 143,016 km (0.076 R)
• M2: 548,725 km (0.097 R)
• M3: 938,876 km (0.085 R)
• M4: 1,403,677 km (0.048 R)
• M5: 2,394,015 km (0.054 R)
• M6: 2,877,066 km (0.112 R)
• M7: 3,281,429 km (0.074 R)
• M8: 4,206,094 km (0.097 R)
• M9: 4,662,068 km (0.082 R)
• M10: 5,031,425 km (0.062 R)
• M11: 6,259,025 km (0.09 R)
• M12: 8,494,915 km (0.093 R)
• M13: 9,736,877 km (0.112 R)
• M14: 10,656,006 km (0.112 R)
• M15: 11,218,494 km (0.037 R)
• M16: 13,668,309 km (0.09 R)
• M17: 14,869,580 km (0.069 R)
• M18: 18,377,949 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 12.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.56 AU - 3.12 AU

Year: 3140 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,366,852 km

• M1: 153,637 km (0.102 R)
• M2: 760,556 km (0.077 R)
• M3: 1,345,184 km (0.08 R)
• M4: 2,502,922 km (0.114 R)
• M5: 4,415,531 km (0.057 R)
• M6: 5,244,901 km (0.083 R)
• M7: 8,518,552 km (0.076 R)
• M8: 8,965,550 km (0.047 R)
• M9: 9,665,518 km (0.094 R)
• M10: 10,152,160 km (0.115 R)
• M11: 11,594,583 km (0.039 R)
• M12: 13,768,090 km (0.078 R)
• M13: 15,579,421 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 14.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.31 AU - 3.49 AU

Year: 3240 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,366,852 km

• M1: 186,399 km (0.11 R)
• M2: 748,737 km (0.113 R)
• M3: 1,460,823 km (0.084 R)
• M4: 2,010,446 km (0.08 R)
• M5: 3,314,191 km (0.071 R)
• M6: 4,002,042 km (0.095 R)
• M7: 6,447,070 km (0.036 R)
• M8: 10,231,896 km (0.108 R)
• M9: 11,695,711 km (0.097 R)
• M10: 13,438,826 km (0.098 R)
• M11: 15,244,771 km (0.12 R)
• M12: 15,935,016 km (0.101 R)
• M13: 17,207,495 km (0.111 R)
• M14: 18,014,576 km (0.091 R)
• M15: 18,666,374 km (0.078 R)
• M16: 20,206,184 km (0.026 R)
• M17: 23,189,016 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 15

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.83 AU - 3.15 AU

Year: 3392 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,366,852 km

• M1: 186,698 km (0.074 R)
• M2: 799,002 km (0.1 R)
• M3: 1,529,788 km (0.116 R)
• M4: 2,156,453 km (0.081 R)
• M5: 2,720,587 km (0.099 R)
• M6: 3,555,493 km (0.105 R)
• M7: 4,441,262 km (0.09 R)
• M8: 6,563,158 km (0.065 R)
• M9: 7,114,725 km (0.116 R)
• M10: 7,664,049 km (0.112 R)
• M11: 8,416,825 km (0.115 R)
• M12: 10,111,021 km (0.065 R)
• M13: 11,888,393 km (0.088 R)
• M14: 12,432,630 km (0.102 R)
• M15: 13,473,532 km (0.045 R)
• M16: 15,143,194 km (0.107 R)
• M17: 15,837,478 km (0.075 R)
• M18: 17,289,924 km (0.033 R)
• M19: 17,812,918 km (0.071 R)
• M20: 18,707,962 km (0.058 R)
• M21: 23,569,145 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 3.8

Gravity: 47.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.95 AU - 8.35 AU

Year: 13880 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 38,366,852 km

• M1: 47,572 km (0.099 R)
• M2: 166,353 km (0.118 R)
• M3: 329,564 km (0.069 R)
• M4: 449,093 km (0.041 R)
• M5: 743,651 km (0.107 R)
• M6: 1,368,073 km (0.114 R)
• M7: 2,206,120 km (0.079 R)
• M8: 2,733,153 km (0.093 R)
• M9: 3,087,102 km (0.084 R)
• M10: 3,551,453 km (0.099 R)
• M11: 4,240,800 km (0.119 R)
• M12: 4,617,189 km (0.111 R)
• M13: 5,399,885 km (0.092 R)
• M14: 7,714,014 km (0.094 R)
• M15: 8,178,516 km (0.11 R)
• M16: 9,525,644 km (0.064 R)
• M17: 9,683,919 km (0.098 R)
• M18: 12,149,591 km (0.103 R)
• M19: 13,759,863 km (0.084 R)
• M20: 14,166,470 km (0.107 R)
• M21: 14,650,867 km (0.085 R)
• M22: 15,799,480 km (0.119 R)
• M23: 18,355,509 km (0.119 R)
• M24: 20,906,751 km (0.107 R)
• M25: 23,300,766 km (0.084 R)
• M26: 23,492,102 km (0.111 R)
• M27: 24,662,555 km (0.117 R)
• M28: 28,515,299 km (0.107 R)
• M29: 30,298,655 km (0.098 R)
• M30: 33,595,942 km (0.106 R)
• M31: 33,962,905 km (0.104 R)
• M32: 34,704,612 km (0.106 R)
• M33: 35,457,089 km (0.075 R)
• M34: 38,442,464 km (0.048 R)
• M35: 42,155,782 km (0.119 R)
• M36: 42,725,451 km (0.096 R)
• M37: 45,950,632 km (0.063 R)
• M38: 47,468,751 km (0.06 R)
• M39: 48,395,510 km (0.046 R)
• M40: 51,896,997 km (0.116 R)
• M41: 55,563,492 km (0.086 R)
• M42: 56,765,361 km (0.095 R)
• M43: 57,111,829 km (0.076 R)
• M44: 58,335,989 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.3

Radius: 7.7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.3 AU - 9.14 AU

Year: 14071 Days

Day: 15.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,366,852 km

• M1: 95,743 km (0.117 R)
• M2: 1,517,670 km (0.077 R)
• M3: 2,755,144 km (0.117 R)
• M4: 4,077,888 km (0.102 R)
• M5: 5,043,543 km (0.064 R)
• M6: 7,204,185 km (0.09 R)
• M7: 7,727,328 km (0.103 R)
• M8: 9,449,350 km (0.037 R)
• M9: 10,076,165 km (0.061 R)
• M10: 10,898,354 km (0.102 R)
• M11: 16,644,409 km (0.063 R)
• M12: 20,072,145 km (0.086 R)
• M13: 25,303,881 km (0.099 R)
• M14: 26,205,209 km (0.105 R)
• M15: 32,417,410 km (0.092 R)
• M16: 35,179,585 km (0.12 R)
• M17: 52,167,021 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.7

Radius: 4.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.77 AU - 12.39 AU

Year: 20994 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,366,852 km

• M1: 57,296 km (0.118 R)
• M2: 770,130 km (0.101 R)
• M3: 1,050,775 km (0.101 R)
• M4: 1,814,921 km (0.098 R)
• M5: 2,061,309 km (0.088 R)
• M6: 2,659,102 km (0.111 R)
• M7: 3,859,475 km (0.076 R)
• M8: 5,351,116 km (0.105 R)
• M9: 5,760,565 km (0.073 R)
• M10: 6,258,726 km (0.104 R)
• M11: 6,641,846 km (0.101 R)
• M12: 7,077,475 km (0.091 R)
• M13: 8,498,655 km (0.072 R)
• M14: 10,822,658 km (0.101 R)
• M15: 11,734,756 km (0.114 R)
• M16: 12,697,119 km (0.11 R)
• M17: 13,310,321 km (0.049 R)
• M18: 14,237,379 km (0.087 R)
• M19: 14,475,688 km (0.03 R)
• M20: 15,518,386 km (0.051 R)
• M21: 16,025,971 km (0.099 R)
• M22: 17,615,000 km (0.097 R)
• M23: 18,377,350 km (0.104 R)
• M24: 23,418,499 km (0.035 R)
• M25: 35,346,835 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit