🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.71 AU

Year: 290 Days

Day: 26.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 11.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.06 AU - 1.62 AU

Year: 1018 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,531,011 km

• M1: 143,165 km (0.095 R)
• M2: 527,781 km (0.072 R)
• M3: 961,466 km (0.073 R)
• M4: 1,336,507 km (0.063 R)
• M5: 2,444,579 km (0.084 R)
• M6: 2,879,011 km (0.052 R)
• M7: 3,292,200 km (0.027 R)
• M8: 3,729,325 km (0.08 R)
• M9: 4,308,419 km (0.077 R)
• M10: 5,299,205 km (0.034 R)
• M11: 6,299,417 km (0.087 R)
• M12: 6,880,455 km (0.111 R)
• M13: 7,547,961 km (0.117 R)
• M14: 8,477,113 km (0.103 R)
• M15: 8,840,935 km (0.099 R)
• M16: 10,088,880 km (0.104 R)
• M17: 10,498,031 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 13.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.35 AU - 1.37 AU

Year: 1040 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,531,011 km

• M1: 169,195 km (0.098 R)
• M2: 631,303 km (0.073 R)
• M3: 1,106,725 km (0.113 R)
• M4: 1,604,138 km (0.041 R)
• M5: 2,045,751 km (0.112 R)
• M6: 2,530,747 km (0.058 R)
• M7: 3,004,524 km (0.104 R)
• M8: 4,981,160 km (0.049 R)
• M9: 5,479,620 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 10.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.48 AU - 2.72 AU

Year: 2750 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,531,011 km

• M1: 135,536 km (0.108 R)
• M2: 504,594 km (0.081 R)
• M3: 1,242,710 km (0.037 R)
• M4: 1,911,711 km (0.065 R)
• M5: 2,414,061 km (0.028 R)
• M6: 3,332,442 km (0.103 R)
• M7: 5,664,972 km (0.119 R)
• M8: 6,649,925 km (0.09 R)
• M9: 8,037,146 km (0.038 R)
• M10: 11,417,309 km (0.055 R)
• M11: 12,757,706 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.35 AU - 3.89 AU

Year: 3615 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,531,011 km

• M1: 180,265 km (0.096 R)
• M2: 663,167 km (0.073 R)
• M3: 1,292,526 km (0.109 R)
• M4: 1,903,633 km (0.082 R)
• M5: 2,375,165 km (0.063 R)
• M6: 3,049,253 km (0.099 R)
• M7: 3,703,146 km (0.08 R)
• M8: 4,615,244 km (0.12 R)
• M9: 6,068,737 km (0.103 R)
• M10: 7,239,191 km (0.083 R)
• M11: 8,518,552 km (0.047 R)
• M12: 9,154,941 km (0.087 R)
• M13: 16,912,338 km (0.119 R)
• M14: 18,223,265 km (0.103 R)
• M15: 21,590,264 km (0.077 R)
• M16: 23,060,661 km (0.109 R)
• M17: 24,447,733 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 13.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.39 AU - 5.07 AU

Year: 5707 Days

Day: 10.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,531,011 km

• M1: 164,109 km (0.107 R)
• M2: 804,089 km (0.081 R)
• M3: 1,639,144 km (0.083 R)
• M4: 2,807,653 km (0.119 R)
• M5: 3,638,071 km (0.043 R)
• M6: 4,548,673 km (0.072 R)
• M7: 5,142,128 km (0.088 R)
• M8: 5,971,797 km (0.11 R)
• M9: 6,718,590 km (0.071 R)
• M10: 8,242,394 km (0.063 R)
• M11: 8,961,810 km (0.047 R)
• M12: 9,985,957 km (0.119 R)
• M13: 19,940,798 km (0.106 R)
• M14: 21,164,508 km (0.116 R)
• M15: 23,210,110 km (0.103 R)
• M16: 23,840,814 km (0.046 R)
• M17: 25,136,332 km (0.115 R)
• M18: 32,522,427 km (0.059 R)
• M19: 33,412,086 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 12.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.81 AU - 6.55 AU

Year: 8880 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,531,011 km

• M1: 157,227 km (0.09 R)
• M2: 596,297 km (0.032 R)
• M3: 1,187,358 km (0.091 R)
• M4: 2,522,071 km (0.061 R)
• M5: 3,466,931 km (0.072 R)
• M6: 4,139,373 km (0.058 R)
• M7: 4,634,692 km (0.111 R)
• M8: 5,685,916 km (0.109 R)
• M9: 6,689,269 km (0.098 R)
• M10: 7,374,128 km (0.095 R)
• M11: 8,105,213 km (0.12 R)
• M12: 10,411,114 km (0.11 R)
• M13: 12,007,922 km (0.082 R)
• M14: 12,507,280 km (0.093 R)
• M15: 14,034,225 km (0.087 R)
• M16: 16,400,564 km (0.062 R)
• M17: 17,203,456 km (0.115 R)
• M18: 18,754,337 km (0.11 R)
• M19: 21,616,294 km (0.119 R)
• M20: 22,808,290 km (0.099 R)
• M21: 23,497,786 km (0.032 R)
• M22: 24,122,357 km (0.08 R)
• M23: 26,563,346 km (0.094 R)
• M24: 29,795,408 km (0.119 R)
• M25: 30,711,994 km (0.066 R)
• M26: 31,271,041 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 12.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.62 AU - 5.74 AU

Year: 8880 Days

Day: 12.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,531,011 km

• M1: 165,306 km (0.101 R)
• M2: 1,104,331 km (0.032 R)
• M3: 1,619,846 km (0.118 R)
• M4: 2,223,324 km (0.087 R)
• M5: 2,995,398 km (0.103 R)
• M6: 3,408,737 km (0.089 R)
• M7: 4,239,304 km (0.113 R)
• M8: 5,429,206 km (0.095 R)
• M9: 6,084,295 km (0.116 R)
• M10: 6,600,258 km (0.12 R)
• M11: 9,057,253 km (0.111 R)
• M12: 9,880,341 km (0.083 R)
• M13: 11,787,714 km (0.109 R)
• M14: 12,416,773 km (0.073 R)
• M15: 13,804,293 km (0.067 R)
• M16: 14,697,991 km (0.066 R)
• M17: 16,814,202 km (0.101 R)
• M18: 17,759,511 km (0.098 R)
• M19: 23,558,373 km (0.079 R)
• M20: 25,395,136 km (0.046 R)
• M21: 25,868,913 km (0.11 R)
• M22: 28,326,806 km (0.091 R)
• M23: 33,362,420 km (0.088 R)
• M24: 34,854,060 km (0.11 R)
• M25: 40,747,917 km (0.104 R)
• M26: 41,790,764 km (0.119 R)
• M27: 43,523,406 km (0.091 R)
• M28: 45,720,849 km (0.088 R)
• M29: 47,416,990 km (0.083 R)
• M30: 47,991,446 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.2

Radius: 7.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.35 AU - 9.91 AU

Year: 18097 Days

Day: 19.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,531,011 km

• M1: 92,152 km (0.031 R)
• M2: 534,214 km (0.083 R)
• M3: 894,894 km (0.073 R)
• M4: 1,318,256 km (0.085 R)
• M5: 1,691,204 km (0.072 R)
• M6: 2,692,163 km (0.105 R)
• M7: 3,901,064 km (0.065 R)
• M8: 4,215,967 km (0.052 R)
• M9: 5,542,003 km (0.098 R)
• M10: 6,242,420 km (0.099 R)
• M11: 7,597,178 km (0.049 R)
• M12: 9,038,554 km (0.056 R)
• M13: 11,043,464 km (0.082 R)
• M14: 11,500,486 km (0.07 R)
• M15: 14,109,772 km (0.113 R)
• M16: 21,680,322 km (0.048 R)
• M17: 22,761,017 km (0.086 R)
• M18: 27,340,806 km (0.113 R)
• M19: 29,354,543 km (0.095 R)
• M20: 31,921,942 km (0.073 R)
• M21: 34,514,323 km (0.093 R)
• M22: 38,400,577 km (0.09 R)
• M23: 41,056,986 km (0.097 R)
• M24: 43,550,184 km (0.066 R)
• M25: 51,316,857 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.1

Radius: 5.2

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.66 AU - 11.46 AU

Year: 22512 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,531,011 km

• M1: 79,586 km (0.113 R)
• M2: 571,913 km (0.074 R)
• M3: 1,052,421 km (0.116 R)
• M4: 1,267,094 km (0.056 R)
• M5: 3,306,412 km (0.093 R)
• M6: 3,914,527 km (0.119 R)
• M7: 4,214,322 km (0.108 R)
• M8: 5,171,000 km (0.083 R)
• M9: 5,718,977 km (0.065 R)
• M10: 7,016,140 km (0.091 R)
• M11: 7,641,010 km (0.102 R)
• M12: 8,448,689 km (0.053 R)
• M13: 13,692,843 km (0.119 R)
• M14: 15,908,387 km (0.098 R)
• M15: 16,286,870 km (0.089 R)
• M16: 21,216,269 km (0.073 R)
• M17: 21,490,632 km (0.098 R)
• M18: 24,265,373 km (0.05 R)
• M19: 32,167,581 km (0.036 R)
• M20: 33,016,549 km (0.089 R)
• M21: 35,782,165 km (0.115 R)
• M22: 36,824,862 km (0.12 R)
• M23: 39,935,451 km (0.103 R)
• M24: 40,634,222 km (0.064 R)
• M25: 43,953,201 km (0.114 R)
• M26: 44,250,153 km (0.052 R)
• M27: 46,059,539 km (0.041 R)
• M28: 47,917,694 km (0.09 R)
• M29: 53,621,711 km (0.104 R)
• M30: 58,677,670 km (0.101 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: 485 - 17,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit