🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.52 AU - 0.56 AU

Year: 256 Days

Day: 25.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,240,819 km

• M1: 131,945 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 263 Days

Day: 47.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 9.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.31 AU - 1.43 AU

Year: 1035 Days

Day: 5.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,240,819 km

• M1: 125,363 km (0.071 R)
• M2: 439,219 km (0.053 R)
• M3: 766,689 km (0.088 R)
• M4: 1,222,364 km (0.091 R)
• M5: 1,640,789 km (0.058 R)
• M6: 2,032,885 km (0.115 R)
• M7: 3,306,711 km (0.118 R)
• M8: 3,612,639 km (0.106 R)
• M9: 4,128,153 km (0.109 R)
• M10: 5,306,236 km (0.074 R)
• M11: 5,710,300 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 13.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.49 AU - 1.57 AU

Year: 1222 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,240,819 km

• M1: 170,392 km (0.119 R)
• M2: 633,846 km (0.066 R)
• M3: 1,255,126 km (0.103 R)
• M4: 1,839,605 km (0.078 R)
• M5: 2,579,516 km (0.117 R)
• M6: 3,322,569 km (0.086 R)
• M7: 3,862,767 km (0.093 R)
• M8: 4,461,308 km (0.08 R)
• M9: 5,257,168 km (0.054 R)
• M10: 5,845,836 km (0.041 R)
• M11: 6,343,847 km (0.115 R)
• M12: 6,823,159 km (0.048 R)
• M13: 7,727,029 km (0.109 R)
• M14: 8,517,205 km (0.119 R)
• M15: 9,983,713 km (0.103 R)
• M16: 10,445,522 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 11.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.56 AU - 2.32 AU

Year: 1745 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,240,819 km

• M1: 139,276 km (0.091 R)
• M2: 553,512 km (0.094 R)
• M3: 904,768 km (0.1 R)
• M4: 2,292,288 km (0.102 R)
• M5: 3,303,719 km (0.039 R)
• M6: 3,694,619 km (0.059 R)
• M7: 4,078,487 km (0.113 R)
• M8: 4,884,370 km (0.114 R)
• M9: 5,509,241 km (0.053 R)
• M10: 6,837,969 km (0.098 R)
• M11: 7,591,942 km (0.089 R)
• M12: 8,809,819 km (0.039 R)
• M13: 9,805,542 km (0.098 R)
• M14: 10,764,315 km (0.098 R)
• M15: 11,823,617 km (0.096 R)
• M16: 12,258,199 km (0.064 R)
• M17: 13,626,720 km (0.116 R)
• M18: 14,459,382 km (0.119 R)
• M19: 15,048,349 km (0.091 R)
• M20: 15,465,577 km (0.075 R)
• M21: 15,985,729 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 9.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.87 AU - 4.75 AU

Year: 5777 Days

Day: 6.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,240,819 km

• M1: 121,473 km (0.083 R)
• M2: 1,278,463 km (0.104 R)
• M3: 1,688,062 km (0.091 R)
• M4: 3,510,015 km (0.116 R)
• M5: 4,009,522 km (0.117 R)
• M6: 4,847,121 km (0.105 R)
• M7: 5,797,217 km (0.116 R)
• M8: 8,310,461 km (0.103 R)
• M9: 8,673,385 km (0.092 R)
• M10: 9,987,154 km (0.101 R)
• M11: 11,252,602 km (0.102 R)
• M12: 12,812,459 km (0.112 R)
• M13: 16,412,682 km (0.083 R)
• M14: 17,808,430 km (0.062 R)
• M15: 18,473,991 km (0.114 R)
• M16: 20,242,985 km (0.063 R)
• M17: 23,175,253 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 9.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.77 AU - 6.79 AU

Year: 8972 Days

Day: 5.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,240,819 km

• M1: 134,488 km (0.104 R)
• M2: 835,355 km (0.059 R)
• M3: 1,647,821 km (0.11 R)
• M4: 2,552,439 km (0.098 R)
• M5: 3,020,231 km (0.049 R)
• M6: 3,338,725 km (0.103 R)
• M7: 4,278,350 km (0.115 R)
• M8: 7,563,968 km (0.104 R)
• M9: 8,155,478 km (0.105 R)
• M10: 9,431,099 km (0.08 R)
• M11: 9,884,530 km (0.117 R)
• M12: 11,206,825 km (0.096 R)
• M13: 13,429,700 km (0.095 R)
• M14: 14,544,803 km (0.057 R)
• M15: 16,144,153 km (0.094 R)
• M16: 19,264,615 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.7

Radius: 5.7

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.16 AU - 7.82 AU

Year: 10675 Days

Day: 17.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,240,819 km

• M1: 83,476 km (0.03 R)
• M2: 731,085 km (0.089 R)
• M3: 1,538,614 km (0.104 R)
• M4: 2,337,168 km (0.076 R)
• M5: 2,533,590 km (0.118 R)
• M6: 2,959,794 km (0.081 R)
• M7: 3,358,622 km (0.096 R)
• M8: 3,713,318 km (0.07 R)
• M9: 4,262,941 km (0.098 R)
• M10: 5,944,421 km (0.1 R)
• M11: 6,617,312 km (0.053 R)
• M12: 7,980,598 km (0.094 R)
• M13: 8,798,150 km (0.101 R)
• M14: 10,598,710 km (0.108 R)
• M15: 15,246,417 km (0.071 R)
• M16: 18,976,490 km (0.103 R)
• M17: 29,525,533 km (0.107 R)
• M18: 32,807,561 km (0.058 R)
• M19: 36,203,732 km (0.12 R)
• M20: 37,924,107 km (0.119 R)
• M21: 38,551,521 km (0.107 R)
• M22: 43,274,475 km (0.068 R)
• M23: 45,774,405 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.7

Radius: 3.1

Gravity: 63.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.73 AU - 9.21 AU

Year: 14528 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,240,819 km

• M1: 38,596 km (0.107 R)
• M2: 151,393 km (0.045 R)
• M3: 464,202 km (0.099 R)
• M4: 626,965 km (0.045 R)
• M5: 731,085 km (0.111 R)
• M6: 1,115,551 km (0.093 R)
• M7: 1,558,361 km (0.114 R)
• M8: 2,324,601 km (0.105 R)
• M9: 2,576,823 km (0.091 R)
• M10: 2,754,845 km (0.118 R)
• M11: 4,487,637 km (0.086 R)
• M12: 5,952,649 km (0.107 R)
• M13: 7,262,677 km (0.056 R)
• M14: 8,125,109 km (0.096 R)
• M15: 9,053,514 km (0.071 R)
• M16: 12,383,861 km (0.099 R)
• M17: 16,523,085 km (0.031 R)
• M18: 16,981,752 km (0.09 R)
• M19: 17,844,333 km (0.055 R)
• M20: 18,327,086 km (0.113 R)
• M21: 23,545,658 km (0.096 R)
• M22: 33,402,512 km (0.109 R)
• M23: 37,694,475 km (0.065 R)
• M24: 39,835,519 km (0.094 R)
• M25: 40,935,961 km (0.094 R)
• M26: 44,211,856 km (0.079 R)
• M27: 46,894,445 km (0.107 R)
• M28: 48,275,382 km (0.11 R)
• M29: 51,279,457 km (0.119 R)
• M30: 54,742,050 km (0.106 R)
• M31: 56,444,324 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 10,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit