🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.59 AU - 0.61 AU

Year: 170 Days

Day: 29.3 Hours

Environment

Temp: 236 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 66,400,258 km

• M1: 195,973 km (0.06 R)
• M2: 212,429 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.47 AU - 0.77 AU

Year: 178 Days

Day: 27.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.02 AU

Year: 302 Days

Day: 39.2 Hours

Environment

Temp: 134 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.95 AU - 1.09 AU

Year: 376 Days

Day: 38.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.16 AU - 1.86 AU

Year: 678 Days

Day: 18.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,400,258 km

• M1: 335,099 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.64 AU - 1.78 AU

Year: 817 Days

Day: 44.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,400,258 km

• M1: 54,902 km (0.113 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.26 AU - 4.52 AU

Year: 3360 Days

Day: 17.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 12.2

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.41 AU - 12.93 AU

Year: 14561 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,400,258 km

• M1: 366,515 km (0.11 R)
• M2: 1,161,328 km (0.027 R)
• M3: 1,997,281 km (0.052 R)
• M4: 2,553,636 km (0.099 R)
• M5: 3,826,564 km (0.111 R)
• M6: 4,130,547 km (0.058 R)
• M7: 4,911,896 km (0.116 R)
• M8: 5,818,460 km (0.119 R)
• M9: 6,222,823 km (0.117 R)
• M10: 6,469,809 km (0.091 R)
• M11: 6,552,985 km (0.08 R)
• M12: 6,664,286 km (0.119 R)
• M13: 7,812,001 km (0.096 R)
• M14: 8,499,553 km (0.061 R)
• M15: 9,393,998 km (0.084 R)
• M16: 11,072,187 km (0.12 R)
• M17: 13,651,254 km (0.052 R)
• M18: 13,865,329 km (0.108 R)
• M19: 14,188,460 km (0.08 R)
• M20: 14,550,637 km (0.113 R)
• M21: 15,394,967 km (0.038 R)
• M22: 15,617,868 km (0.07 R)
• M23: 15,841,816 km (0.093 R)
• M24: 15,991,713 km (0.055 R)
• M25: 16,142,059 km (0.039 R)
• M26: 17,866,025 km (0.098 R)
• M27: 18,532,483 km (0.103 R)
• M28: 18,968,112 km (0.071 R)
• M29: 20,580,329 km (0.043 R)
• M30: 20,949,237 km (0.087 R)
• M31: 22,110,565 km (0.089 R)
• M32: 22,699,083 km (0.112 R)
• M33: 24,625,605 km (0.091 R)
• M34: 24,755,904 km (0.105 R)
• M35: 25,983,056 km (0.111 R)
• M36: 26,293,023 km (0.105 R)
• M37: 27,589,886 km (0.079 R)
• M38: 28,223,284 km (0.11 R)
• M39: 28,496,300 km (0.104 R)
• M40: 30,898,692 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.4

Radius: 4.4

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 17.5 AU - 18.18 AU

Year: 27522 Days

Day: 15.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 66,400,258 km

• M1: 176,675 km (0.116 R)
• M2: 399,426 km (0.096 R)
• M3: 1,417,440 km (0.077 R)
• M4: 1,728,005 km (0.069 R)
• M5: 1,906,026 km (0.119 R)
• M6: 2,312,035 km (0.052 R)
• M7: 2,409,423 km (0.046 R)
• M8: 3,567,460 km (0.059 R)
• M9: 3,717,956 km (0.113 R)
• M10: 4,142,664 km (0.115 R)
• M11: 4,261,146 km (0.104 R)
• M12: 4,380,674 km (0.08 R)
• M13: 4,541,941 km (0.08 R)
• M14: 4,746,142 km (0.092 R)
• M15: 4,953,485 km (0.03 R)
• M16: 6,485,068 km (0.041 R)
• M17: 7,230,215 km (0.071 R)
• M18: 7,277,637 km (0.1 R)
• M19: 8,347,860 km (0.084 R)
• M20: 9,003,099 km (0.029 R)
• M21: 9,105,424 km (0.08 R)
• M22: 10,415,901 km (0.073 R)
• M23: 10,577,018 km (0.11 R)
• M24: 11,285,065 km (0.065 R)
• M25: 11,395,319 km (0.104 R)
• M26: 12,008,221 km (0.083 R)
• M27: 12,689,041 km (0.088 R)
• M28: 13,851,267 km (0.092 R)
• M29: 14,745,114 km (0.067 R)
• M30: 15,047,152 km (0.029 R)
• M31: 15,107,889 km (0.048 R)
• M32: 15,718,847 km (0.118 R)
• M33: 15,842,115 km (0.095 R)
• M34: 16,027,467 km (0.117 R)
• M35: 16,650,542 km (0.042 R)
• M36: 17,472,283 km (0.075 R)
• M37: 18,371,965 km (0.091 R)
• M38: 18,566,741 km (0.109 R)
• M39: 19,155,110 km (0.104 R)
• M40: 19,749,462 km (0.069 R)
• M41: 19,949,026 km (0.028 R)
• M42: 20,349,948 km (0.098 R)
• M43: 21,024,186 km (0.03 R)
• M44: 22,880,994 km (0.082 R)
• M45: 23,722,782 km (0.068 R)
• M46: 25,653,940 km (0.113 R)
• M47: 25,798,901 km (0.079 R)
• M48: 26,308,730 km (0.041 R)
• M49: 26,674,796 km (0.09 R)
• M50: 26,821,851 km (0.08 R)
• M51: 27,042,657 km (0.115 R)
• M52: 27,709,116 km (0.075 R)
• M53: 28,831,549 km (0.064 R)
• M54: 29,057,890 km (0.114 R)
• M55: 30,274,719 km (0.085 R)
• M56: 30,658,438 km (0.107 R)
• M57: 31,585,646 km (0.113 R)
• M58: 32,993,960 km (0.087 R)
• M59: 33,864,470 km (0.118 R)
• M60: 34,422,470 km (0.095 R)
• M61: 35,466,663 km (0.087 R)
• M62: 35,547,446 km (0.11 R)
• M63: 35,628,378 km (0.115 R)
• M64: 36,033,340 km (0.112 R)
• M65: 36,439,797 km (0.05 R)
• M66: 38,661,326 km (0.111 R)
• M67: 38,744,353 km (0.107 R)
• M68: 39,160,833 km (0.045 R)
• M69: 39,327,784 km (0.115 R)
• M70: 39,746,359 km (0.118 R)
• M71: 39,830,283 km (0.093 R)
• M72: 40,841,415 km (0.113 R)
• M73: 41,435,319 km (0.095 R)
• M74: 42,717,223 km (0.073 R)
• M75: 44,708,072 km (0.11 R)
• M76: 45,319,927 km (0.111 R)
• M77: 46,198,814 km (0.099 R)
• M78: 46,375,340 km (0.059 R)
• M79: 49,770,314 km (0.06 R)
• M80: 51,132,403 km (0.109 R)
• M81: 51,863,787 km (0.065 R)
• M82: 53,614,680 km (0.117 R)
• M83: 54,078,733 km (0.101 R)
• M84: 55,197,725 km (0.099 R)
• M85: 55,760,063 km (0.043 R)
• M86: 55,947,958 km (0.106 R)
• M87: 56,796,028 km (0.102 R)
• M88: 59,557,306 km (0.106 R)
• M89: 59,845,431 km (0.057 R)
• M90: 61,099,510 km (0.047 R)
• M91: 61,584,058 km (0.083 R)
• M92: 62,557,192 km (0.114 R)
• M93: 63,829,671 km (0.03 R)
• M94: 64,814,325 km (0.092 R)
• M95: 66,300,729 km (0.085 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 19,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit