🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.41 AU - 0.59 AU

Year: 232 Days

Day: 25.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 11.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.48 AU - 1.54 AU

Year: 1217 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,808,493 km

• M1: 146,756 km (0.102 R)
• M2: 584,479 km (0.102 R)
• M3: 1,013,077 km (0.037 R)
• M4: 1,536,669 km (0.074 R)
• M5: 2,975,651 km (0.068 R)
• M6: 3,884,758 km (0.096 R)
• M7: 4,404,610 km (0.107 R)
• M8: 4,846,522 km (0.113 R)
• M9: 5,225,005 km (0.117 R)
• M10: 6,144,433 km (0.103 R)
• M11: 7,685,740 km (0.11 R)
• M12: 8,177,319 km (0.109 R)
• M13: 9,114,998 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.8

Radius: 9.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.9 AU - 3.12 AU

Year: 2609 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,808,493 km

• M1: 120,725 km (0.068 R)
• M2: 455,675 km (0.115 R)
• M3: 775,067 km (0.087 R)
• M4: 1,195,885 km (0.1 R)
• M5: 2,086,442 km (0.099 R)
• M6: 2,947,377 km (0.096 R)
• M7: 3,688,485 km (0.109 R)
• M8: 4,178,418 km (0.117 R)
• M9: 5,699,828 km (0.098 R)
• M10: 6,107,333 km (0.091 R)
• M11: 7,617,673 km (0.107 R)
• M12: 7,965,039 km (0.091 R)
• M13: 8,292,659 km (0.098 R)
• M14: 8,660,221 km (0.094 R)
• M15: 9,297,358 km (0.105 R)
• M16: 9,761,560 km (0.054 R)
• M17: 10,700,736 km (0.075 R)
• M18: 11,026,709 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.3

Radius: 4.5

Gravity: 33.35 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.95 AU - 7.25 AU

Year: 9883 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,808,493 km

• M1: 55,950 km (0.06 R)
• M2: 573,259 km (0.115 R)
• M3: 768,335 km (0.042 R)
• M4: 1,082,789 km (0.066 R)
• M5: 4,364,219 km (0.071 R)
• M6: 5,516,571 km (0.11 R)
• M7: 5,859,898 km (0.073 R)
• M8: 11,106,894 km (0.039 R)
• M9: 15,927,236 km (0.084 R)
• M10: 16,133,682 km (0.113 R)
• M11: 17,628,912 km (0.062 R)
• M12: 26,699,929 km (0.043 R)
• M13: 34,064,034 km (0.071 R)
• M14: 38,330,116 km (0.099 R)
• M15: 39,074,066 km (0.092 R)
• M16: 45,100,616 km (0.053 R)
• M17: 45,929,688 km (0.108 R)
• M18: 46,487,987 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.6

Radius: 4.4

Gravity: 18.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.8 AU - 7.26 AU

Year: 10947 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,808,493 km

• M1: 54,753 km (0.084 R)
• M2: 215,571 km (0.085 R)
• M3: 639,980 km (0.051 R)
• M4: 839,842 km (0.107 R)
• M5: 1,533,827 km (0.098 R)
• M6: 2,455,499 km (0.079 R)
• M7: 5,625,778 km (0.101 R)
• M8: 6,584,700 km (0.108 R)
• M9: 7,179,052 km (0.045 R)
• M10: 10,448,663 km (0.033 R)
• M11: 13,687,607 km (0.077 R)
• M12: 14,468,208 km (0.094 R)
• M13: 14,714,297 km (0.062 R)
• M14: 15,726,327 km (0.066 R)
• M15: 16,649,345 km (0.096 R)
• M16: 19,633,973 km (0.105 R)
• M17: 21,331,160 km (0.106 R)
• M18: 27,660,197 km (0.113 R)
• M19: 35,914,559 km (0.077 R)
• M20: 38,442,165 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.6

Radius: 7.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.67 AU - 7.49 AU

Year: 12358 Days

Day: 16.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 139.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,808,493 km

• M1: 134,488 km (0.117 R)
• M2: 689,796 km (0.105 R)
• M3: 1,600,697 km (0.096 R)
• M4: 2,433,658 km (0.074 R)
• M5: 2,686,479 km (0.047 R)
• M6: 5,392,704 km (0.103 R)
• M7: 6,032,684 km (0.114 R)
• M8: 7,303,218 km (0.093 R)
• M9: 8,171,933 km (0.06 R)
• M10: 12,400,018 km (0.114 R)
• M11: 16,755,560 km (0.11 R)
• M12: 17,532,870 km (0.042 R)
• M13: 27,250,150 km (0.058 R)
• M14: 34,010,478 km (0.118 R)
• M15: 35,599,805 km (0.115 R)
• M16: 39,294,274 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 5.5

Gravity: 32.11 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.99 AU - 8.61 AU

Year: 12939 Days

Day: 15.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,808,493 km

• M1: 75,098 km (0.108 R)
• M2: 267,182 km (0.071 R)
• M3: 703,260 km (0.079 R)
• M4: 1,165,367 km (0.101 R)
• M5: 1,470,547 km (0.096 R)
• M6: 1,642,435 km (0.114 R)
• M7: 1,880,595 km (0.054 R)
• M8: 2,363,796 km (0.048 R)
• M9: 2,623,498 km (0.077 R)
• M10: 3,023,672 km (0.114 R)
• M11: 3,600,970 km (0.09 R)
• M12: 5,583,890 km (0.104 R)
• M13: 6,006,055 km (0.063 R)
• M14: 8,052,554 km (0.099 R)
• M15: 8,591,256 km (0.115 R)
• M16: 8,946,252 km (0.028 R)
• M17: 9,363,929 km (0.08 R)
• M18: 10,522,415 km (0.113 R)
• M19: 11,106,296 km (0.065 R)
• M20: 11,527,713 km (0.108 R)
• M21: 12,022,283 km (0.112 R)
• M22: 14,072,971 km (0.062 R)
• M23: 15,217,694 km (0.083 R)
• M24: 19,193,257 km (0.057 R)
• M25: 21,051,263 km (0.118 R)
• M26: 27,557,424 km (0.042 R)
• M27: 30,613,259 km (0.105 R)
• M28: 31,084,493 km (0.094 R)
• M29: 36,195,654 km (0.053 R)
• M30: 36,458,347 km (0.084 R)
• M31: 44,342,305 km (0.029 R)
• M32: 46,476,917 km (0.096 R)
• M33: 49,320,772 km (0.079 R)
• M34: 53,120,409 km (0.066 R)
• M35: 53,630,089 km (0.039 R)
• M36: 60,369,622 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.3

Radius: 4

Gravity: 62.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.47 AU - 8.53 AU

Year: 16257 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,808,493 km

• M1: 49,816 km (0.105 R)
• M2: 207,043 km (0.114 R)
• M3: 334,351 km (0.088 R)
• M4: 532,269 km (0.107 R)
• M5: 892,501 km (0.098 R)
• M6: 1,099,395 km (0.117 R)
• M7: 1,804,001 km (0.06 R)
• M8: 2,305,303 km (0.031 R)
• M9: 2,671,668 km (0.087 R)
• M10: 2,997,044 km (0.105 R)
• M11: 3,209,922 km (0.086 R)
• M12: 4,921,172 km (0.07 R)
• M13: 5,068,077 km (0.113 R)
• M14: 5,526,295 km (0.093 R)
• M15: 6,222,075 km (0.078 R)
• M16: 9,880,191 km (0.093 R)
• M17: 14,157,045 km (0.108 R)
• M18: 15,607,396 km (0.115 R)
• M19: 16,165,845 km (0.076 R)
• M20: 16,409,241 km (0.034 R)
• M21: 16,655,030 km (0.06 R)
• M22: 17,322,536 km (0.111 R)
• M23: 18,181,676 km (0.053 R)
• M24: 22,805,298 km (0.116 R)
• M25: 27,001,518 km (0.065 R)
• M26: 28,389,338 km (0.046 R)
• M27: 31,055,920 km (0.103 R)
• M28: 32,449,723 km (0.104 R)
• M29: 43,080,896 km (0.074 R)
• M30: 49,258,091 km (0.107 R)
• M31: 49,940,706 km (0.102 R)
• M32: 51,674,994 km (0.086 R)
• M33: 52,202,925 km (0.114 R)
• M34: 53,808,409 km (0.12 R)
• M35: 59,205,302 km (0.055 R)
• M36: 61,540,076 km (0.102 R)
• M37: 74,362,858 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 4.4

Gravity: 41.75 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.15 AU - 11.71 AU

Year: 20527 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,808,493 km

• M1: 55,202 km (0.059 R)
• M2: 274,213 km (0.101 R)
• M3: 867,219 km (0.114 R)
• M4: 1,075,609 km (0.115 R)
• M5: 1,378,694 km (0.109 R)
• M6: 2,028,098 km (0.069 R)
• M7: 2,351,529 km (0.034 R)
• M8: 2,887,089 km (0.049 R)
• M9: 3,211,567 km (0.11 R)
• M10: 3,470,521 km (0.087 R)
• M11: 4,062,929 km (0.1 R)
• M12: 4,576,199 km (0.11 R)
• M13: 7,454,911 km (0.103 R)
• M14: 10,709,113 km (0.091 R)
• M15: 11,027,457 km (0.117 R)
• M16: 12,785,532 km (0.029 R)
• M17: 14,878,406 km (0.114 R)
• M18: 15,515,992 km (0.107 R)
• M19: 20,302,974 km (0.098 R)
• M20: 23,028,498 km (0.106 R)
• M21: 23,665,635 km (0.092 R)
• M22: 24,423,648 km (0.08 R)
• M23: 24,975,065 km (0.11 R)
• M24: 28,579,776 km (0.089 R)
• M25: 32,252,104 km (0.103 R)
• M26: 35,519,322 km (0.042 R)
• M27: 38,405,214 km (0.057 R)
• M28: 39,905,082 km (0.103 R)
• M29: 41,443,547 km (0.091 R)
• M30: 41,599,428 km (0.105 R)
• M31: 45,794,003 km (0.109 R)
• M32: 53,519,386 km (0.111 R)
• M33: 66,452,421 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 19,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit