🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.5 AU - 0.76 AU

Year: 174 Days

Day: 40.6 Hours

Environment

Temp: 182 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.87 AU - 4.43 AU

Year: 2944 Days

Day: 41.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,777,862 km

• M1: 1,030,281 km (0.097 R)
• M2: 1,583,194 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 10.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.53 AU - 11.41 AU

Year: 10149 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 115,777,862 km

• M1: 131,497 km (0.054 R)
• M2: 487,839 km (0.092 R)
• M3: 1,019,509 km (0.068 R)
• M4: 1,764,956 km (0.116 R)
• M5: 2,504,717 km (0.065 R)
• M6: 2,946,330 km (0.106 R)
• M7: 4,119,477 km (0.073 R)
• M8: 4,563,333 km (0.114 R)
• M9: 5,131,805 km (0.082 R)
• M10: 8,015,903 km (0.116 R)
• M11: 9,490,938 km (0.057 R)
• M12: 10,418,295 km (0.096 R)
• M13: 15,253,448 km (0.085 R)
• M14: 15,980,793 km (0.054 R)
• M15: 18,597,858 km (0.102 R)
• M16: 19,969,072 km (0.112 R)
• M17: 20,361,617 km (0.069 R)
• M18: 20,759,397 km (0.078 R)
• M19: 23,255,587 km (0.066 R)
• M20: 23,690,169 km (0.077 R)
• M21: 24,041,874 km (0.097 R)
• M22: 24,486,329 km (0.101 R)
• M23: 25,026,826 km (0.095 R)
• M24: 26,225,404 km (0.072 R)
• M25: 26,981,622 km (0.07 R)
• M26: 28,438,854 km (0.048 R)
• M27: 29,540,344 km (0.075 R)
• M28: 32,472,312 km (0.082 R)
• M29: 43,203,566 km (0.088 R)
• M30: 44,125,687 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 11.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 9.38 AU - 12.7 AU

Year: 12775 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 115,777,862 km

• M1: 143,165 km (0.055 R)
• M2: 659,577 km (0.102 R)
• M3: 1,235,828 km (0.108 R)
• M4: 2,282,116 km (0.112 R)
• M5: 2,911,773 km (0.112 R)
• M6: 3,681,155 km (0.119 R)
• M7: 4,366,014 km (0.086 R)
• M8: 5,339,746 km (0.041 R)
• M9: 6,413,111 km (0.037 R)
• M10: 7,362,459 km (0.054 R)
• M11: 8,355,789 km (0.086 R)
• M12: 8,885,066 km (0.088 R)
• M13: 9,385,322 km (0.037 R)
• M14: 10,010,641 km (0.078 R)
• M15: 10,497,582 km (0.092 R)
• M16: 12,297,244 km (0.071 R)
• M17: 13,627,768 km (0.1 R)
• M18: 14,773,388 km (0.081 R)
• M19: 20,517,498 km (0.088 R)
• M20: 25,845,276 km (0.076 R)
• M21: 26,659,986 km (0.091 R)
• M22: 28,341,017 km (0.109 R)
• M23: 29,647,156 km (0.114 R)
• M24: 33,446,045 km (0.113 R)
• M25: 41,577,587 km (0.086 R)
• M26: 44,556,379 km (0.097 R)
• M27: 45,139,512 km (0.066 R)
• M28: 45,875,533 km (0.114 R)
• M29: 55,175,285 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.1

Radius: 6.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.92 AU - 17.4 AU

Year: 24755 Days

Day: 19.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 115,777,862 km

• M1: 83,027 km (0.113 R)
• M2: 304,880 km (0.093 R)
• M3: 557,551 km (0.076 R)
• M4: 830,567 km (0.044 R)
• M5: 1,083,837 km (0.115 R)
• M6: 1,333,815 km (0.107 R)
• M7: 1,969,456 km (0.115 R)
• M8: 2,405,384 km (0.111 R)
• M9: 3,547,564 km (0.088 R)
• M10: 4,222,549 km (0.118 R)
• M11: 5,251,484 km (0.119 R)
• M12: 5,936,193 km (0.112 R)
• M13: 7,009,408 km (0.098 R)
• M14: 8,113,291 km (0.109 R)
• M15: 8,537,700 km (0.105 R)
• M16: 9,482,111 km (0.094 R)
• M17: 9,741,963 km (0.113 R)
• M18: 10,006,302 km (0.079 R)
• M19: 11,055,283 km (0.064 R)
• M20: 11,873,733 km (0.073 R)
• M21: 13,369,711 km (0.096 R)
• M22: 13,630,760 km (0.035 R)
• M23: 16,061,875 km (0.045 R)
• M24: 17,110,406 km (0.047 R)
• M25: 26,778,318 km (0.112 R)
• M26: 27,089,182 km (0.105 R)
• M27: 28,356,725 km (0.056 R)
• M28: 37,186,889 km (0.065 R)
• M29: 42,993,381 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 20.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 7.6

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 19.67 AU - 21.09 AU

Year: 32041 Days

Day: 16.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 115,777,862 km

• M1: 113,694 km (0.062 R)
• M2: 542,143 km (0.074 R)
• M3: 1,859,053 km (0.1 R)
• M4: 2,321,310 km (0.041 R)
• M5: 3,064,363 km (0.114 R)
• M6: 4,251,871 km (0.09 R)
• M7: 4,969,940 km (0.071 R)
• M8: 5,582,245 km (0.078 R)
• M9: 8,604,122 km (0.041 R)
• M10: 9,948,857 km (0.113 R)
• M11: 10,919,747 km (0.045 R)
• M12: 11,354,628 km (0.118 R)
• M13: 11,725,780 km (0.061 R)
• M14: 14,816,772 km (0.095 R)
• M15: 17,611,260 km (0.113 R)
• M16: 19,132,072 km (0.117 R)
• M17: 28,473,262 km (0.091 R)
• M18: 38,429,000 km (0.104 R)
• M19: 40,286,258 km (0.07 R)
• M20: 43,093,462 km (0.101 R)
• M21: 44,361,603 km (0.08 R)
• M22: 52,702,283 km (0.114 R)
• M23: 55,628,118 km (0.089 R)
• M24: 59,102,528 km (0.097 R)
• M25: 60,217,332 km (0.045 R)
• M26: 69,151,466 km (0.073 R)
• M27: 76,535,318 km (0.099 R)
• M28: 77,593,274 km (0.118 R)
• M29: 81,373,163 km (0.079 R)
• M30: 82,198,794 km (0.096 R)
• M31: 84,991,188 km (0.086 R)
• M32: 96,179,313 km (0.099 R)
• M33: 105,023,839 km (0.055 R)
• M34: 112,342,017 km (0.066 R)

Kuiper Belt

Range: 31.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit