🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.01 AU - 2.35 AU

Year: 1226 Days

Day: 29.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.77 AU - 3.01 AU

Year: 1871 Days

Day: 47.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,408,111 km

• M1: 1,680,433 km (0.105 R)
• M2: 2,118,007 km (0.119 R)

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.2

Radius: 11

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.44 AU - 7.74 AU

Year: 7189 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,408,111 km

• M1: 137,181 km (0.085 R)
• M2: 1,292,825 km (0.064 R)
• M3: 1,887,028 km (0.063 R)
• M4: 3,283,524 km (0.09 R)
• M5: 4,241,848 km (0.072 R)
• M6: 10,193,150 km (0.113 R)
• M7: 11,469,220 km (0.119 R)
• M8: 13,651,254 km (0.104 R)
• M9: 15,303,413 km (0.043 R)
• M10: 15,776,292 km (0.072 R)
• M11: 16,751,222 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 12

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.77 AU - 8.11 AU

Year: 8520 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,408,111 km

• M1: 150,196 km (0.109 R)
• M2: 612,603 km (0.085 R)
• M3: 1,157,140 km (0.057 R)
• M4: 1,565,691 km (0.062 R)
• M5: 1,962,275 km (0.115 R)
• M6: 2,788,654 km (0.091 R)
• M7: 3,643,456 km (0.059 R)
• M8: 4,891,252 km (0.073 R)
• M9: 5,392,255 km (0.096 R)
• M10: 7,889,493 km (0.107 R)
• M11: 12,083,170 km (0.103 R)
• M12: 12,755,762 km (0.1 R)
• M13: 17,029,474 km (0.101 R)
• M14: 19,003,717 km (0.111 R)
• M15: 20,046,264 km (0.047 R)
• M16: 20,920,963 km (0.101 R)
• M17: 22,458,979 km (0.107 R)
• M18: 26,471,942 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 11

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.11 AU - 11.15 AU

Year: 13198 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,408,111 km

• M1: 199,863 km (0.092 R)
• M2: 662,270 km (0.113 R)
• M3: 1,084,585 km (0.119 R)
• M4: 1,767,499 km (0.06 R)
• M5: 2,166,327 km (0.052 R)
• M6: 5,051,322 km (0.056 R)
• M7: 5,575,662 km (0.094 R)
• M8: 7,526,867 km (0.044 R)
• M9: 7,946,190 km (0.09 R)
• M10: 8,832,109 km (0.103 R)
• M11: 11,250,957 km (0.102 R)
• M12: 17,635,195 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.7

Radius: 4.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 12.33 AU - 14.83 AU

Year: 19057 Days

Day: 20 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,408,111 km

• M1: 61,335 km (0.046 R)
• M2: 233,223 km (0.111 R)
• M3: 493,374 km (0.059 R)
• M4: 963,560 km (0.081 R)
• M5: 1,456,335 km (0.095 R)
• M6: 2,265,660 km (0.102 R)
• M7: 2,831,888 km (0.055 R)
• M8: 8,796,056 km (0.087 R)
• M9: 13,785,444 km (0.067 R)
• M10: 14,558,566 km (0.067 R)
• M11: 19,573,236 km (0.042 R)
• M12: 34,080,340 km (0.091 R)
• M13: 35,370,771 km (0.076 R)
• M14: 36,329,394 km (0.117 R)
• M15: 38,173,337 km (0.102 R)
• M16: 44,491,903 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.1

Radius: 5.9

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 10.73 AU - 17.63 AU

Year: 20333 Days

Day: 19.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,408,111 km

• M1: 93,349 km (0.077 R)
• M2: 292,015 km (0.058 R)
• M3: 548,875 km (0.094 R)
• M4: 1,076,805 km (0.062 R)
• M5: 3,020,979 km (0.116 R)
• M6: 4,995,522 km (0.106 R)
• M7: 5,688,609 km (0.115 R)
• M8: 6,313,479 km (0.069 R)
• M9: 10,318,812 km (0.111 R)
• M10: 10,621,898 km (0.116 R)
• M11: 11,828,255 km (0.094 R)
• M12: 12,093,342 km (0.059 R)
• M13: 13,407,260 km (0.094 R)
• M14: 13,768,240 km (0.104 R)
• M15: 17,656,737 km (0.118 R)
• M16: 18,442,725 km (0.052 R)
• M17: 22,724,964 km (0.078 R)
• M18: 25,920,973 km (0.04 R)
• M19: 29,162,908 km (0.086 R)
• M20: 32,277,087 km (0.119 R)
• M21: 34,651,804 km (0.085 R)
• M22: 41,854,642 km (0.066 R)
• M23: 50,166,898 km (0.104 R)
• M24: 61,275,886 km (0.119 R)
• M25: 64,697,638 km (0.087 R)
• M26: 68,457,182 km (0.097 R)
• M27: 71,699,267 km (0.095 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 16,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit