🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.82 AU - 0.9 AU

Year: 290 Days

Day: 35.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.4 AU - 2.08 AU

Year: 834 Days

Day: 19.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,473,854 km

• M1: 107,262 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 10.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.86 AU - 6.8 AU

Year: 5788 Days

Day: 12.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,473,854 km

• M1: 132,095 km (0.076 R)
• M2: 506,090 km (0.108 R)
• M3: 848,818 km (0.102 R)
• M4: 1,203,664 km (0.113 R)
• M5: 1,685,968 km (0.105 R)
• M6: 2,165,280 km (0.1 R)
• M7: 2,534,188 km (0.105 R)
• M8: 3,187,931 km (0.095 R)
• M9: 3,532,754 km (0.044 R)
• M10: 4,023,435 km (0.043 R)
• M11: 4,970,539 km (0.086 R)
• M12: 5,711,497 km (0.104 R)
• M13: 6,124,986 km (0.115 R)
• M14: 9,516,519 km (0.066 R)
• M15: 15,773,599 km (0.054 R)
• M16: 16,462,647 km (0.11 R)
• M17: 17,766,692 km (0.097 R)
• M18: 18,650,516 km (0.098 R)
• M19: 22,481,119 km (0.111 R)
• M20: 23,676,705 km (0.093 R)
• M21: 26,368,420 km (0.058 R)
• M22: 27,878,162 km (0.11 R)
• M23: 30,682,074 km (0.11 R)
• M24: 31,362,296 km (0.11 R)
• M25: 34,184,609 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 10.1

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.51 AU - 10.55 AU

Year: 10692 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,473,854 km

• M1: 162,613 km (0.096 R)
• M2: 1,498,073 km (0.095 R)
• M3: 1,924,876 km (0.093 R)
• M4: 2,853,729 km (0.045 R)
• M5: 3,949,833 km (0.112 R)
• M6: 4,390,698 km (0.105 R)
• M7: 5,113,554 km (0.115 R)
• M8: 6,529,498 km (0.096 R)
• M9: 9,285,241 km (0.075 R)
• M10: 15,980,793 km (0.074 R)
• M11: 18,276,671 km (0.118 R)
• M12: 22,376,999 km (0.109 R)
• M13: 24,230,367 km (0.112 R)
• M14: 24,686,341 km (0.118 R)
• M15: 26,183,816 km (0.106 R)
• M16: 30,613,409 km (0.036 R)
• M17: 32,121,356 km (0.079 R)
• M18: 33,228,380 km (0.091 R)
• M19: 34,590,169 km (0.062 R)
• M20: 47,275,919 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 11.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.82 AU - 13 AU

Year: 12207 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,473,854 km

• M1: 145,708 km (0.077 R)
• M2: 595,250 km (0.105 R)
• M3: 1,023,997 km (0.117 R)
• M4: 2,975,651 km (0.119 R)
• M5: 3,982,445 km (0.093 R)
• M6: 4,761,102 km (0.11 R)
• M7: 5,301,749 km (0.034 R)
• M8: 6,025,952 km (0.068 R)
• M9: 6,620,903 km (0.088 R)
• M10: 8,015,903 km (0.119 R)
• M11: 9,208,347 km (0.067 R)
• M12: 11,434,812 km (0.091 R)
• M13: 13,248,088 km (0.073 R)
• M14: 15,044,160 km (0.112 R)
• M15: 17,143,018 km (0.082 R)
• M16: 17,883,977 km (0.111 R)
• M17: 19,910,878 km (0.097 R)
• M18: 21,231,827 km (0.077 R)
• M19: 32,607,249 km (0.118 R)
• M20: 39,576,117 km (0.069 R)
• M21: 42,999,215 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.6

Radius: 7.5

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 12.94 AU - 13.07 AU

Year: 17035 Days

Day: 22.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,473,854 km

• M1: 107,411 km (0.082 R)
• M2: 620,233 km (0.12 R)
• M3: 1,066,782 km (0.11 R)
• M4: 1,315,414 km (0.104 R)
• M5: 1,557,314 km (0.077 R)
• M6: 1,795,623 km (0.11 R)
• M7: 2,346,891 km (0.114 R)
• M8: 3,029,955 km (0.075 R)
• M9: 9,605,230 km (0.081 R)
• M10: 11,153,868 km (0.063 R)
• M11: 12,607,959 km (0.082 R)
• M12: 13,446,305 km (0.073 R)
• M13: 13,845,582 km (0.114 R)
• M14: 14,116,055 km (0.097 R)
• M15: 15,377,464 km (0.072 R)
• M16: 16,035,545 km (0.051 R)
• M17: 16,941,959 km (0.106 R)
• M18: 19,441,290 km (0.032 R)
• M19: 28,942,700 km (0.057 R)
• M20: 33,941,363 km (0.058 R)
• M21: 35,685,226 km (0.119 R)
• M22: 37,488,179 km (0.062 R)
• M23: 38,146,559 km (0.109 R)
• M24: 40,305,107 km (0.09 R)
• M25: 45,905,154 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.2

Radius: 3.3

Gravity: 42.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.62 AU - 15.96 AU

Year: 21729 Days

Day: 23.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,473,854 km

• M1: 56,398 km (0.115 R)
• M2: 166,502 km (0.12 R)
• M3: 315,053 km (0.094 R)
• M4: 467,793 km (0.094 R)
• M5: 574,007 km (0.066 R)
• M6: 1,242,710 km (0.118 R)
• M7: 1,388,567 km (0.096 R)
• M8: 2,049,640 km (0.047 R)
• M9: 2,471,207 km (0.11 R)
• M10: 3,262,131 km (0.107 R)
• M11: 3,511,810 km (0.062 R)
• M12: 4,240,352 km (0.088 R)
• M13: 4,404,012 km (0.104 R)
• M14: 6,154,008 km (0.085 R)
• M15: 6,321,557 km (0.054 R)
• M16: 8,117,330 km (0.044 R)
• M17: 10,580,459 km (0.028 R)
• M18: 11,188,425 km (0.119 R)
• M19: 11,375,123 km (0.096 R)
• M20: 13,151,448 km (0.1 R)
• M21: 13,640,334 km (0.102 R)
• M22: 14,069,081 km (0.066 R)
• M23: 14,359,750 km (0.097 R)
• M24: 19,037,376 km (0.074 R)
• M25: 21,332,956 km (0.072 R)
• M26: 28,844,414 km (0.057 R)
• M27: 29,787,479 km (0.065 R)
• M28: 33,506,931 km (0.105 R)
• M29: 37,663,209 km (0.118 R)
• M30: 42,754,024 km (0.111 R)
• M31: 43,516,674 km (0.118 R)
• M32: 46,177,721 km (0.057 R)
• M33: 49,779,739 km (0.088 R)
• M34: 50,963,955 km (0.109 R)
• M35: 53,917,765 km (0.085 R)
• M36: 54,807,873 km (0.089 R)
• M37: 59,973,637 km (0.054 R)
• M38: 61,507,015 km (0.112 R)
• M39: 65,858,069 km (0.057 R)
• M40: 68,315,812 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 4

Gravity: 26.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 15.83 AU - 18.85 AU

Year: 26242 Days

Day: 19.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,473,854 km

• M1: 64,028 km (0.063 R)
• M2: 208,390 km (0.097 R)
• M3: 443,707 km (0.086 R)
• M4: 589,266 km (0.111 R)
• M5: 1,067,381 km (0.114 R)
• M6: 1,333,515 km (0.111 R)
• M7: 1,977,385 km (0.106 R)
• M8: 4,067,716 km (0.119 R)
• M9: 11,641,856 km (0.118 R)
• M10: 13,285,637 km (0.109 R)
• M11: 16,857,137 km (0.116 R)
• M12: 20,346,058 km (0.075 R)
• M13: 23,440,490 km (0.078 R)
• M14: 28,113,479 km (0.094 R)
• M15: 28,948,086 km (0.105 R)
• M16: 29,432,483 km (0.114 R)
• M17: 43,682,877 km (0.119 R)
• M18: 61,925,440 km (0.105 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 13,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit