🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.49 AU - 0.53 AU

Year: 232 Days

Day: 26.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,420,886 km

• M1: 109,805 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.54 AU - 0.54 AU

Year: 252 Days

Day: 32 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,420,886 km

• M1: 44,879 km (0.111 R)

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 12.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.82 AU - 1.3 AU

Year: 694 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,420,886 km

• M1: 155,881 km (0.032 R)
• M2: 568,023 km (0.107 R)
• M3: 991,834 km (0.049 R)
• M4: 1,421,928 km (0.116 R)
• M5: 2,063,104 km (0.085 R)
• M6: 2,456,846 km (0.116 R)
• M7: 3,023,523 km (0.096 R)
• M8: 3,599,175 km (0.074 R)
• M9: 4,036,749 km (0.114 R)
• M10: 4,940,021 km (0.091 R)
• M11: 5,637,147 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 12.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.84 AU - 1.3 AU

Year: 704 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,420,886 km

• M1: 167,998 km (0.116 R)
• M2: 595,699 km (0.067 R)
• M3: 1,210,097 km (0.109 R)
• M4: 1,652,159 km (0.083 R)
• M5: 2,147,627 km (0.094 R)
• M6: 2,613,026 km (0.101 R)
• M7: 3,330,797 km (0.088 R)
• M8: 3,819,383 km (0.117 R)
• M9: 4,811,217 km (0.075 R)
• M10: 5,385,523 km (0.041 R)
• M11: 5,892,660 km (0.087 R)
• M12: 6,332,927 km (0.119 R)
• M13: 6,795,184 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.3

Radius: 13.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.55 AU - 3.25 AU

Year: 3140 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,420,886 km

• M1: 170,392 km (0.094 R)
• M2: 611,406 km (0.073 R)
• M3: 1,761,216 km (0.045 R)
• M4: 2,474,050 km (0.111 R)
• M5: 3,117,171 km (0.112 R)
• M6: 4,006,829 km (0.042 R)
• M7: 4,786,085 km (0.101 R)
• M8: 5,893,558 km (0.118 R)
• M9: 7,373,829 km (0.07 R)
• M10: 10,589,584 km (0.08 R)
• M11: 12,037,841 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.7

Radius: 13.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.93 AU - 6.97 AU

Year: 9228 Days

Day: 9.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,420,886 km

• M1: 170,990 km (0.03 R)
• M2: 659,128 km (0.068 R)
• M3: 1,304,793 km (0.116 R)
• M4: 2,093,173 km (0.1 R)
• M5: 3,344,260 km (0.109 R)
• M6: 4,386,210 km (0.117 R)
• M7: 4,890,354 km (0.111 R)
• M8: 6,123,490 km (0.094 R)
• M9: 6,565,103 km (0.115 R)
• M10: 7,595,981 km (0.092 R)
• M11: 8,415,628 km (0.103 R)
• M12: 11,015,639 km (0.078 R)
• M13: 12,353,493 km (0.081 R)
• M14: 14,820,362 km (0.077 R)
• M15: 16,309,160 km (0.035 R)
• M16: 17,747,244 km (0.084 R)
• M17: 19,820,521 km (0.065 R)
• M18: 21,541,345 km (0.106 R)
• M19: 22,481,568 km (0.094 R)
• M20: 23,270,996 km (0.072 R)
• M21: 30,055,858 km (0.114 R)
• M22: 31,121,892 km (0.052 R)
• M23: 34,240,709 km (0.039 R)
• M24: 35,051,978 km (0.077 R)
• M25: 38,301,244 km (0.109 R)
• M26: 43,073,117 km (0.09 R)
• M27: 46,371,899 km (0.086 R)
• M28: 47,794,874 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.3

Radius: 5.2

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.23 AU - 8.09 AU

Year: 12182 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,420,886 km

• M1: 70,161 km (0.107 R)
• M2: 464,053 km (0.098 R)
• M3: 1,902,735 km (0.086 R)
• M4: 2,470,310 km (0.048 R)
• M5: 3,121,360 km (0.118 R)
• M6: 3,306,562 km (0.119 R)
• M7: 3,523,628 km (0.111 R)
• M8: 3,776,149 km (0.115 R)
• M9: 7,527,466 km (0.111 R)
• M10: 9,109,314 km (0.12 R)
• M11: 11,327,850 km (0.083 R)
• M12: 23,710,215 km (0.118 R)
• M13: 24,067,006 km (0.092 R)
• M14: 25,067,068 km (0.119 R)
• M15: 25,344,572 km (0.091 R)
• M16: 27,540,220 km (0.103 R)
• M17: 31,226,312 km (0.039 R)
• M18: 34,197,475 km (0.05 R)
• M19: 38,937,184 km (0.052 R)
• M20: 39,683,977 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 18,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit