🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.76 AU

Year: 235 Days

Day: 29.8 Hours

Environment

Temp: 172 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.88 AU - 2.22 AU

Year: 1130 Days

Day: 37.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,246,812 km

• M1: 475,123 km (0.102 R)
• M2: 585,825 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.03 AU - 2.75 AU

Year: 1423 Days

Day: 33.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,246,812 km

• M1: 1,722,470 km (0.079 R)

Asteroid Belt

Center: 7.5 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.3

Radius: 3.1

Gravity: 33.12 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.32 AU - 14.88 AU

Year: 17220 Days

Day: 24.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 80,246,812 km

• M1: 43,383 km (0.106 R)
• M2: 249,230 km (0.089 R)
• M3: 402,568 km (0.115 R)
• M4: 881,431 km (0.105 R)
• M5: 1,623,885 km (0.105 R)
• M6: 1,852,022 km (0.103 R)
• M7: 1,877,902 km (0.099 R)
• M8: 2,254,141 km (0.109 R)
• M9: 2,450,862 km (0.107 R)
• M10: 3,073,189 km (0.092 R)
• M11: 3,807,415 km (0.1 R)
• M12: 4,770,078 km (0.043 R)
• M13: 6,149,220 km (0.118 R)
• M14: 6,266,056 km (0.083 R)
• M15: 6,423,134 km (0.119 R)
• M16: 6,780,972 km (0.109 R)
• M17: 7,023,321 km (0.094 R)
• M18: 9,913,701 km (0.106 R)
• M19: 10,419,192 km (0.084 R)
• M20: 10,512,093 km (0.047 R)
• M21: 11,695,262 km (0.081 R)
• M22: 11,985,482 km (0.086 R)
• M23: 12,229,177 km (0.048 R)
• M24: 12,969,836 km (0.077 R)
• M25: 13,320,494 km (0.062 R)
• M26: 13,775,870 km (0.115 R)
• M27: 13,979,771 km (0.067 R)
• M28: 14,858,061 km (0.106 R)
• M29: 15,753,853 km (0.114 R)
• M30: 16,020,735 km (0.089 R)
• M31: 16,830,060 km (0.112 R)
• M32: 16,993,570 km (0.119 R)
• M33: 17,048,173 km (0.106 R)
• M34: 17,542,146 km (0.099 R)
• M35: 18,939,090 km (0.115 R)
• M36: 19,966,828 km (0.078 R)
• M37: 20,778,546 km (0.057 R)
• M38: 21,364,970 km (0.115 R)
• M39: 21,482,853 km (0.084 R)
• M40: 22,075,859 km (0.103 R)
• M41: 22,734,239 km (0.106 R)
• M42: 23,035,679 km (0.105 R)
• M43: 23,825,406 km (0.053 R)
• M44: 25,681,616 km (0.088 R)
• M45: 25,869,810 km (0.107 R)
• M46: 26,690,504 km (0.068 R)
• M47: 27,647,930 km (0.115 R)
• M48: 27,712,258 km (0.036 R)
• M49: 27,776,435 km (0.091 R)
• M50: 27,969,715 km (0.092 R)
• M51: 28,227,921 km (0.104 R)
• M52: 29,137,925 km (0.115 R)
• M53: 29,465,245 km (0.044 R)
• M54: 31,253,688 km (0.098 R)
• M55: 33,555,251 km (0.076 R)
• M56: 33,623,767 km (0.036 R)
• M57: 33,692,432 km (0.107 R)
• M58: 33,760,948 km (0.066 R)
• M59: 34,173,689 km (0.097 R)
• M60: 34,726,453 km (0.098 R)
• M61: 35,351,922 km (0.035 R)
• M62: 35,700,933 km (0.08 R)
• M63: 36,051,142 km (0.119 R)
• M64: 36,191,465 km (0.105 R)
• M65: 36,332,087 km (0.055 R)
• M66: 36,543,319 km (0.083 R)
• M67: 37,392,287 km (0.078 R)
• M68: 38,821,545 km (0.081 R)
• M69: 38,965,458 km (0.058 R)
• M70: 39,398,245 km (0.088 R)
• M71: 39,832,527 km (0.12 R)
• M72: 40,341,310 km (0.116 R)
• M73: 41,659,417 km (0.085 R)
• M74: 41,954,274 km (0.107 R)
• M75: 42,620,284 km (0.105 R)
• M76: 42,843,035 km (0.074 R)
• M77: 42,991,735 km (0.112 R)
• M78: 43,962,476 km (0.074 R)
• M79: 44,563,560 km (0.097 R)
• M80: 45,773,657 km (0.099 R)
• M81: 46,611,854 km (0.105 R)
• M82: 46,994,526 km (0.027 R)
• M83: 47,147,863 km (0.075 R)
• M84: 47,301,500 km (0.067 R)
• M85: 48,148,823 km (0.025 R)
• M86: 48,613,174 km (0.103 R)
• M87: 48,768,307 km (0.103 R)
• M88: 49,312,545 km (0.114 R)
• M89: 49,390,335 km (0.058 R)
• M90: 49,624,306 km (0.12 R)
• M91: 49,780,487 km (0.089 R)
• M92: 49,936,816 km (0.114 R)
• M93: 50,957,074 km (0.094 R)
• M94: 51,984,063 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.2

Radius: 7.2

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 11.64 AU - 15.16 AU

Year: 18885 Days

Day: 18.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 58.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 80,246,812 km

• M1: 222,302 km (0.069 R)
• M2: 333,454 km (0.078 R)
• M3: 779,555 km (0.045 R)
• M4: 1,448,706 km (0.111 R)
• M5: 2,895,168 km (0.108 R)
• M6: 3,215,606 km (0.063 R)
• M7: 4,699,767 km (0.104 R)
• M8: 7,366,798 km (0.099 R)
• M9: 8,024,879 km (0.064 R)
• M10: 8,136,329 km (0.117 R)
• M11: 8,417,423 km (0.097 R)
• M12: 9,455,184 km (0.114 R)
• M13: 9,573,067 km (0.047 R)
• M14: 10,350,677 km (0.067 R)
• M15: 10,411,264 km (0.115 R)
• M16: 11,775,447 km (0.099 R)
• M17: 11,838,727 km (0.062 R)
• M18: 12,029,464 km (0.097 R)
• M19: 13,326,627 km (0.059 R)
• M20: 14,058,909 km (0.068 R)
• M21: 15,771,056 km (0.088 R)
• M22: 16,332,796 km (0.101 R)
• M23: 16,545,076 km (0.058 R)
• M24: 17,983,908 km (0.103 R)
• M25: 19,387,435 km (0.083 R)
• M26: 20,596,485 km (0.119 R)
• M27: 20,979,306 km (0.068 R)
• M28: 21,596,697 km (0.106 R)
• M29: 24,125,349 km (0.094 R)
• M30: 24,205,983 km (0.052 R)
• M31: 25,260,797 km (0.103 R)
• M32: 25,424,457 km (0.071 R)
• M33: 27,752,051 km (0.048 R)
• M34: 28,089,992 km (0.114 R)
• M35: 29,714,176 km (0.11 R)
• M36: 30,494,180 km (0.105 R)
• M37: 31,720,733 km (0.107 R)
• M38: 32,251,356 km (0.117 R)
• M39: 32,963,442 km (0.071 R)
• M40: 33,321,430 km (0.097 R)
• M41: 33,500,947 km (0.118 R)
• M42: 33,680,764 km (0.086 R)
• M43: 33,950,938 km (0.093 R)
• M44: 35,221,771 km (0.087 R)
• M45: 36,508,164 km (0.079 R)
• M46: 39,790,790 km (0.107 R)
• M47: 39,981,228 km (0.063 R)
• M48: 40,458,595 km (0.083 R)
• M49: 40,650,080 km (0.088 R)
• M50: 41,322,522 km (0.062 R)
• M51: 43,558,113 km (0.115 R)
• M52: 46,733,178 km (0.114 R)
• M53: 47,135,297 km (0.087 R)
• M54: 47,437,634 km (0.048 R)
• M55: 47,841,698 km (0.105 R)
• M56: 48,755,143 km (0.117 R)
• M57: 48,958,895 km (0.103 R)
• M58: 49,571,798 km (0.101 R)
• M59: 52,153,258 km (0.097 R)
• M60: 52,257,379 km (0.065 R)
• M61: 54,672,187 km (0.116 R)
• M62: 54,883,868 km (0.088 R)
• M63: 55,626,921 km (0.115 R)
• M64: 57,015,788 km (0.054 R)
• M65: 60,154,800 km (0.053 R)
• M66: 60,592,224 km (0.073 R)
• M67: 63,794,516 km (0.106 R)
• M68: 64,017,417 km (0.103 R)
• M69: 66,938,315 km (0.059 R)
• M70: 67,391,597 km (0.053 R)
• M71: 68,643,133 km (0.071 R)
• M72: 69,214,596 km (0.063 R)
• M73: 70,017,189 km (0.113 R)
• M74: 70,707,733 km (0.092 R)
• M75: 71,284,732 km (0.058 R)
• M76: 72,676,142 km (0.108 R)
• M77: 73,492,048 km (0.103 R)
• M78: 73,725,571 km (0.065 R)
• M79: 74,545,367 km (0.052 R)
• M80: 77,854,173 km (0.108 R)
• M81: 78,450,021 km (0.111 R)
• M82: 78,808,308 km (0.032 R)
• M83: 79,886,310 km (0.116 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: 275 - 10,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit