🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.61 AU - 0.67 AU

Year: 179 Days

Day: 15.5 Hours

Environment

Temp: 232 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.51 AU - 0.83 AU

Year: 192 Days

Day: 16.1 Hours

Environment

Temp: 149 °C

Axial Tilt: 125.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.6 AU - 0.84 AU

Year: 214 Days

Day: 29.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.34 AU - 2.08 AU

Year: 782 Days

Day: 16.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.75 AU - 2.07 AU

Year: 923 Days

Day: 38.7 Hours

Environment

Temp: -46 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.25 AU - 3.61 AU

Year: 1755 Days

Day: 27.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,376,969 km

• M1: 2,522,071 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 12.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.85 AU - 9.17 AU

Year: 7931 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 73,376,969 km

• M1: 260,300 km (0.042 R)
• M2: 344,524 km (0.088 R)
• M3: 487,240 km (0.091 R)
• M4: 567,874 km (0.111 R)
• M5: 732,282 km (0.054 R)
• M6: 870,660 km (0.085 R)
• M7: 973,284 km (0.096 R)
• M8: 1,290,431 km (0.109 R)
• M9: 1,426,715 km (0.076 R)
• M10: 1,604,138 km (0.075 R)
• M11: 1,751,492 km (0.067 R)
• M12: 2,020,618 km (0.104 R)
• M13: 2,100,055 km (0.099 R)
• M14: 2,386,535 km (0.109 R)
• M15: 2,513,244 km (0.079 R)
• M16: 2,620,655 km (0.089 R)
• M17: 3,180,750 km (0.116 R)
• M18: 3,607,104 km (0.088 R)
• M19: 3,728,877 km (0.073 R)
• M20: 3,827,312 km (0.079 R)
• M21: 4,001,593 km (0.081 R)
• M22: 4,858,640 km (0.088 R)
• M23: 5,349,769 km (0.073 R)
• M24: 5,914,202 km (0.071 R)
• M25: 6,145,331 km (0.111 R)
• M26: 6,826,450 km (0.118 R)
• M27: 7,008,211 km (0.09 R)
• M28: 7,099,616 km (0.049 R)
• M29: 7,500,538 km (0.101 R)
• M30: 7,719,549 km (0.085 R)
• M31: 8,681,912 km (0.09 R)
• M32: 8,911,994 km (0.041 R)
• M33: 9,648,015 km (0.103 R)
• M34: 9,750,041 km (0.114 R)
• M35: 10,195,693 km (0.116 R)
• M36: 10,368,928 km (0.119 R)
• M37: 10,578,065 km (0.071 R)
• M38: 11,321,268 km (0.116 R)
• M39: 12,932,586 km (0.105 R)
• M40: 13,956,584 km (0.033 R)
• M41: 14,381,143 km (0.112 R)
• M42: 14,497,829 km (0.035 R)
• M43: 15,243,275 km (0.055 R)
• M44: 15,640,757 km (0.088 R)
• M45: 15,800,677 km (0.109 R)
• M46: 15,920,953 km (0.104 R)
• M47: 17,099,635 km (0.117 R)
• M48: 17,512,525 km (0.052 R)
• M49: 17,886,969 km (0.119 R)
• M50: 17,970,594 km (0.073 R)
• M51: 18,306,291 km (0.085 R)
• M52: 18,686,270 km (0.072 R)
• M53: 19,411,371 km (0.076 R)
• M54: 20,232,514 km (0.106 R)
• M55: 20,800,986 km (0.104 R)
• M56: 21,552,266 km (0.06 R)
• M57: 21,775,017 km (0.063 R)
• M58: 21,864,178 km (0.088 R)
• M59: 23,126,933 km (0.025 R)
• M60: 23,218,038 km (0.099 R)
• M61: 24,366,950 km (0.117 R)
• M62: 25,346,218 km (0.118 R)
• M63: 26,338,351 km (0.078 R)
• M64: 26,528,789 km (0.111 R)
• M65: 26,959,032 km (0.05 R)
• M66: 27,487,861 km (0.062 R)
• M67: 28,751,514 km (0.062 R)
• M68: 29,390,446 km (0.113 R)
• M69: 30,632,408 km (0.05 R)
• M70: 30,782,455 km (0.085 R)
• M71: 30,932,950 km (0.074 R)
• M72: 31,385,633 km (0.104 R)
• M73: 31,739,283 km (0.089 R)
• M74: 32,196,005 km (0.03 R)
• M75: 32,910,634 km (0.085 R)
• M76: 33,064,421 km (0.12 R)
• M77: 33,527,426 km (0.079 R)
• M78: 33,992,526 km (0.104 R)
• M79: 34,199,868 km (0.106 R)
• M80: 34,303,689 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 10.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.84 AU - 9.72 AU

Year: 8335 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 73,376,969 km

• M1: 256,710 km (0.113 R)
• M2: 346,768 km (0.096 R)
• M3: 424,409 km (0.073 R)
• M4: 570,417 km (0.078 R)
• M5: 817,852 km (0.117 R)
• M6: 1,099,694 km (0.085 R)
• M7: 1,866,533 km (0.111 R)
• M8: 1,966,165 km (0.105 R)
• M9: 2,033,484 km (0.057 R)
• M10: 2,136,258 km (0.1 R)
• M11: 2,346,891 km (0.093 R)
• M12: 3,196,458 km (0.089 R)
• M13: 3,581,971 km (0.09 R)
• M14: 3,833,146 km (0.05 R)
• M15: 4,286,727 km (0.078 R)
• M16: 4,894,842 km (0.061 R)
• M17: 5,127,018 km (0.099 R)
• M18: 5,386,720 km (0.114 R)
• M19: 5,530,184 km (0.077 R)
• M20: 5,699,230 km (0.106 R)
• M21: 5,796,469 km (0.059 R)
• M22: 6,166,574 km (0.055 R)
• M23: 6,646,334 km (0.07 R)
• M24: 7,481,390 km (0.039 R)
• M25: 7,776,247 km (0.115 R)
• M26: 7,965,787 km (0.074 R)
• M27: 8,047,468 km (0.078 R)
• M28: 8,156,824 km (0.09 R)
• M29: 8,488,034 km (0.117 R)
• M30: 8,599,484 km (0.074 R)
• M31: 8,711,234 km (0.041 R)
• M32: 9,856,555 km (0.113 R)
• M33: 10,268,547 km (0.047 R)
• M34: 11,292,545 km (0.11 R)
• M35: 14,588,186 km (0.072 R)
• M36: 15,532,149 km (0.105 R)
• M37: 16,635,134 km (0.026 R)
• M38: 17,231,281 km (0.056 R)
• M39: 17,870,064 km (0.085 R)
• M40: 18,013,080 km (0.108 R)
• M41: 18,879,251 km (0.119 R)
• M42: 20,203,940 km (0.096 R)
• M43: 20,802,182 km (0.033 R)
• M44: 21,330,562 km (0.105 R)
• M45: 22,748,002 km (0.118 R)
• M46: 24,473,015 km (0.105 R)
• M47: 26,443,219 km (0.119 R)
• M48: 26,810,482 km (0.111 R)
• M49: 27,056,420 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.3

Radius: 4.9

Gravity: 23.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 12.72 AU - 17.94 AU

Year: 20999 Days

Day: 19.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 73,376,969 km

• M1: 113,395 km (0.042 R)
• M2: 955,482 km (0.075 R)
• M3: 1,220,270 km (0.094 R)
• M4: 1,389,764 km (0.048 R)
• M5: 1,909,916 km (0.11 R)
• M6: 1,974,841 km (0.112 R)
• M7: 2,073,576 km (0.092 R)
• M8: 2,519,827 km (0.109 R)
• M9: 2,808,999 km (0.107 R)
• M10: 2,995,099 km (0.116 R)
• M11: 3,577,035 km (0.096 R)
• M12: 3,778,693 km (0.072 R)
• M13: 4,665,509 km (0.049 R)
• M14: 4,797,155 km (0.076 R)
• M15: 4,930,147 km (0.078 R)
• M16: 5,706,560 km (0.108 R)
• M17: 5,894,754 km (0.071 R)
• M18: 6,180,935 km (0.085 R)
• M19: 6,520,373 km (0.044 R)
• M20: 6,816,277 km (0.113 R)
• M21: 7,217,499 km (0.063 R)
• M22: 7,318,926 km (0.105 R)
• M23: 8,147,998 km (0.105 R)
• M24: 8,253,763 km (0.058 R)
• M25: 8,681,164 km (0.097 R)
• M26: 9,390,857 km (0.117 R)
• M27: 10,923,637 km (0.054 R)
• M28: 11,157,159 km (0.085 R)
• M29: 12,168,291 km (0.104 R)
• M30: 12,654,185 km (0.091 R)
• M31: 13,270,378 km (0.116 R)
• M32: 13,707,503 km (0.114 R)
• M33: 14,022,706 km (0.086 R)
• M34: 14,149,415 km (0.086 R)
• M35: 15,112,078 km (0.11 R)
• M36: 15,897,167 km (0.098 R)
• M37: 16,427,941 km (0.036 R)
• M38: 17,032,017 km (0.076 R)
• M39: 17,302,939 km (0.068 R)
• M40: 17,370,856 km (0.064 R)
• M41: 18,469,652 km (0.064 R)
• M42: 19,167,826 km (0.069 R)
• M43: 19,661,648 km (0.117 R)
• M44: 20,374,332 km (0.095 R)
• M45: 21,898,286 km (0.084 R)
• M46: 22,045,341 km (0.057 R)
• M47: 22,340,497 km (0.101 R)
• M48: 23,684,484 km (0.064 R)
• M49: 23,911,125 km (0.086 R)
• M50: 24,518,642 km (0.112 R)
• M51: 25,439,567 km (0.113 R)
• M52: 25,516,909 km (0.077 R)
• M53: 25,671,593 km (0.047 R)
• M54: 25,826,726 km (0.118 R)
• M55: 26,920,735 km (0.026 R)
• M56: 27,236,237 km (0.091 R)
• M57: 27,552,786 km (0.103 R)
• M58: 29,721,507 km (0.089 R)
• M59: 30,210,841 km (0.083 R)
• M60: 31,115,011 km (0.061 R)
• M61: 31,694,852 km (0.047 R)
• M62: 32,027,857 km (0.028 R)
• M63: 32,613,383 km (0.116 R)
• M64: 34,391,054 km (0.085 R)
• M65: 36,113,076 km (0.107 R)
• M66: 39,372,065 km (0.103 R)
• M67: 42,173,884 km (0.074 R)
• M68: 43,183,520 km (0.113 R)
• M69: 44,108,184 km (0.077 R)
• M70: 44,293,985 km (0.043 R)
• M71: 45,413,725 km (0.084 R)
• M72: 46,071,207 km (0.053 R)
• M73: 46,826,527 km (0.114 R)
• M74: 47,015,918 km (0.098 R)
• M75: 47,490,742 km (0.106 R)
• M76: 50,372,595 km (0.116 R)
• M77: 51,150,504 km (0.113 R)
• M78: 51,638,791 km (0.06 R)
• M79: 52,128,724 km (0.046 R)
• M80: 52,620,004 km (0.076 R)
• M81: 52,915,609 km (0.116 R)
• M82: 53,310,548 km (0.089 R)
• M83: 53,508,316 km (0.042 R)
• M84: 54,202,600 km (0.107 R)
• M85: 55,901,284 km (0.046 R)
• M86: 56,202,873 km (0.109 R)
• M87: 56,404,232 km (0.067 R)
• M88: 57,617,321 km (0.11 R)
• M89: 58,125,355 km (0.073 R)
• M90: 58,328,958 km (0.086 R)
• M91: 59,863,533 km (0.108 R)
• M92: 60,687,518 km (0.119 R)
• M93: 64,546,544 km (0.087 R)
• M94: 66,665,449 km (0.075 R)
• M95: 68,699,232 km (0.103 R)
• M96: 71,297,448 km (0.099 R)
• M97: 71,624,469 km (0.104 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 12,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit