🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.6 AU - 1 AU

Year: 256 Days

Day: 46.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 67.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.65 AU - 4.85 AU

Year: 3138 Days

Day: 20 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.52 AU - 5.02 AU

Year: 3731 Days

Day: 15.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.34 AU - 7.58 AU

Year: 5881 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,420,706 km

• M1: 99,483 km (0.09 R)
• M2: 841,937 km (0.098 R)
• M3: 1,784,254 km (0.039 R)
• M4: 2,052,184 km (0.101 R)
• M5: 2,428,871 km (0.043 R)
• M6: 3,055,686 km (0.065 R)
• M7: 4,542,390 km (0.109 R)
• M8: 6,594,274 km (0.106 R)
• M9: 13,139,031 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 9.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.76 AU - 13.28 AU

Year: 13102 Days

Day: 13.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,420,706 km

• M1: 116,986 km (0.108 R)
• M2: 651,948 km (0.092 R)
• M3: 1,292,376 km (0.067 R)
• M4: 1,788,443 km (0.097 R)
• M5: 3,869,947 km (0.052 R)
• M6: 6,748,360 km (0.08 R)
• M7: 9,571,870 km (0.062 R)
• M8: 13,620,288 km (0.074 R)
• M9: 14,288,691 km (0.103 R)
• M10: 15,546,660 km (0.087 R)
• M11: 18,766,604 km (0.108 R)
• M12: 19,510,255 km (0.077 R)
• M13: 22,498,024 km (0.119 R)
• M14: 27,216,490 km (0.103 R)
• M15: 28,707,831 km (0.077 R)
• M16: 31,620,951 km (0.03 R)
• M17: 34,479,616 km (0.039 R)
• M18: 39,351,271 km (0.06 R)
• M19: 40,980,093 km (0.12 R)
• M20: 41,811,258 km (0.119 R)
• M21: 47,793,827 km (0.116 R)
• M22: 52,516,333 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 10.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.08 AU - 12.22 AU

Year: 13335 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,420,706 km

• M1: 126,859 km (0.085 R)
• M2: 476,170 km (0.084 R)
• M3: 859,440 km (0.086 R)
• M4: 2,064,002 km (0.106 R)
• M5: 3,180,600 km (0.064 R)
• M6: 5,455,236 km (0.059 R)
• M7: 7,079,420 km (0.114 R)
• M8: 7,431,573 km (0.085 R)
• M9: 8,256,306 km (0.087 R)
• M10: 11,360,612 km (0.105 R)
• M11: 11,789,808 km (0.119 R)
• M12: 13,978,575 km (0.071 R)
• M13: 14,976,542 km (0.042 R)
• M14: 16,630,047 km (0.079 R)
• M15: 24,291,553 km (0.091 R)
• M16: 27,133,463 km (0.102 R)
• M17: 30,189,897 km (0.102 R)
• M18: 34,351,860 km (0.116 R)
• M19: 36,280,176 km (0.026 R)
• M20: 36,860,766 km (0.114 R)
• M21: 41,730,924 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 10.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.46 AU - 12.24 AU

Year: 13695 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,420,706 km

• M1: 137,480 km (0.068 R)
• M2: 624,721 km (0.082 R)
• M3: 1,002,605 km (0.068 R)
• M4: 2,768,009 km (0.033 R)
• M5: 3,750,119 km (0.095 R)
• M6: 4,144,160 km (0.1 R)
• M7: 4,660,123 km (0.099 R)
• M8: 5,049,676 km (0.11 R)
• M9: 5,638,942 km (0.065 R)
• M10: 10,676,052 km (0.093 R)
• M11: 11,944,343 km (0.062 R)
• M12: 12,927,949 km (0.054 R)
• M13: 13,504,649 km (0.041 R)
• M14: 15,911,379 km (0.106 R)
• M15: 16,949,738 km (0.109 R)
• M16: 20,680,260 km (0.051 R)
• M17: 24,729,575 km (0.082 R)
• M18: 31,290,489 km (0.054 R)
• M19: 31,749,904 km (0.049 R)
• M20: 32,097,270 km (0.071 R)
• M21: 38,925,516 km (0.059 R)
• M22: 39,456,887 km (0.116 R)
• M23: 40,534,141 km (0.06 R)
• M24: 40,943,142 km (0.025 R)
• M25: 44,314,928 km (0.094 R)
• M26: 51,765,351 km (0.093 R)
• M27: 53,382,055 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.5

Radius: 4.6

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.8 AU - 16.32 AU

Year: 19898 Days

Day: 21.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,420,706 km

• M1: 57,296 km (0.064 R)
• M2: 295,456 km (0.039 R)
• M3: 475,572 km (0.119 R)
• M4: 624,721 km (0.106 R)
• M5: 1,155,943 km (0.097 R)
• M6: 1,522,757 km (0.1 R)
• M7: 2,377,409 km (0.1 R)
• M8: 2,707,273 km (0.107 R)
• M9: 3,092,188 km (0.07 R)
• M10: 5,544,396 km (0.116 R)
• M11: 8,102,520 km (0.077 R)
• M12: 9,421,225 km (0.06 R)
• M13: 12,604,817 km (0.054 R)
• M14: 14,295,273 km (0.098 R)
• M15: 15,378,960 km (0.115 R)
• M16: 25,460,810 km (0.111 R)
• M17: 34,691,447 km (0.111 R)
• M18: 38,933,444 km (0.104 R)
• M19: 40,893,176 km (0.114 R)
• M20: 42,332,607 km (0.092 R)
• M21: 43,805,548 km (0.067 R)
• M22: 62,323,670 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303

Radius: 4.3

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 18.71 AU - 20.31 AU

Year: 30865 Days

Day: 16.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,420,706 km

• M1: 53,556 km (0.082 R)
• M2: 447,148 km (0.087 R)
• M3: 759,808 km (0.037 R)
• M4: 1,205,310 km (0.074 R)
• M5: 1,366,726 km (0.087 R)
• M6: 2,080,308 km (0.103 R)
• M7: 3,286,067 km (0.094 R)
• M8: 3,485,630 km (0.092 R)
• M9: 5,079,596 km (0.103 R)
• M10: 6,204,721 km (0.114 R)
• M11: 10,682,784 km (0.107 R)
• M12: 11,377,217 km (0.09 R)
• M13: 12,168,440 km (0.039 R)
• M14: 15,148,729 km (0.063 R)
• M15: 16,105,258 km (0.11 R)
• M16: 19,491,256 km (0.115 R)
• M17: 23,427,027 km (0.037 R)
• M18: 24,166,190 km (0.113 R)
• M19: 25,469,337 km (0.066 R)
• M20: 30,150,703 km (0.109 R)
• M21: 40,412,818 km (0.108 R)
• M22: 42,867,569 km (0.071 R)
• M23: 44,131,372 km (0.064 R)
• M24: 45,095,381 km (0.067 R)
• M25: 47,065,285 km (0.099 R)
• M26: 50,300,489 km (0.06 R)
• M27: 50,824,530 km (0.117 R)
• M28: 52,597,564 km (0.12 R)
• M29: 60,298,414 km (0.104 R)
• M30: 66,595,886 km (0.087 R)
• M31: 67,650,999 km (0.116 R)
• M32: 73,766,112 km (0.079 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit