🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.57 AU - 0.63 AU

Year: 305 Days

Day: 13.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.7

Radius: 14

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.69 AU - 0.93 AU

Year: 478 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,558,172 km

• M1: 174,282 km (0.083 R)
• M2: 261,796 km (0.056 R)
• M3: 379,380 km (0.057 R)
• M4: 485,295 km (0.067 R)
• M5: 617,241 km (0.053 R)
• M6: 719,267 km (0.066 R)
• M7: 842,086 km (0.055 R)
• M8: 943,364 km (0.089 R)
• M9: 1,075,010 km (0.065 R)
• M10: 1,186,311 km (0.118 R)
• M11: 1,290,730 km (0.072 R)
• M12: 1,497,624 km (0.078 R)
• M13: 1,611,468 km (0.113 R)
• M14: 1,772,136 km (0.097 R)
• M15: 1,893,161 km (0.116 R)
• M16: 2,043,657 km (0.071 R)
• M17: 2,164,232 km (0.109 R)
• M18: 2,287,202 km (0.091 R)
• M19: 2,504,867 km (0.042 R)
• M20: 2,598,216 km (0.102 R)
• M21: 2,848,194 km (0.11 R)
• M22: 3,191,222 km (0.103 R)
• M23: 3,435,515 km (0.093 R)
• M24: 3,580,176 km (0.09 R)
• M25: 3,859,176 km (0.12 R)
• M26: 4,043,481 km (0.1 R)
• M27: 4,377,682 km (0.072 R)
• M28: 4,801,344 km (0.067 R)
• M29: 5,036,512 km (0.107 R)
• M30: 5,173,842 km (0.095 R)
• M31: 5,622,038 km (0.096 R)
• M32: 5,793,327 km (0.106 R)
• M33: 5,927,816 km (0.11 R)
• M34: 6,063,351 km (0.087 R)
• M35: 6,160,740 km (0.071 R)
• M36: 6,347,438 km (0.079 R)
• M37: 6,615,816 km (0.051 R)
• M38: 6,736,392 km (0.1 R)
• M39: 6,857,716 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 12.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.17 AU - 1.89 AU

Year: 1241 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 47,558,172 km

• M1: 158,275 km (0.09 R)
• M2: 269,127 km (0.063 R)
• M3: 351,405 km (0.115 R)
• M4: 508,034 km (0.092 R)
• M5: 605,722 km (0.061 R)
• M6: 711,039 km (0.049 R)
• M7: 797,955 km (0.099 R)
• M8: 908,957 km (0.102 R)
• M9: 997,818 km (0.108 R)
• M10: 1,104,331 km (0.091 R)
• M11: 1,368,821 km (0.092 R)
• M12: 1,521,261 km (0.102 R)
• M13: 1,603,839 km (0.104 R)
• M14: 1,782,459 km (0.032 R)
• M15: 2,367,985 km (0.112 R)
• M16: 2,533,440 km (0.037 R)
• M17: 2,875,720 km (0.051 R)
• M18: 3,000,185 km (0.099 R)
• M19: 3,094,731 km (0.118 R)
• M20: 3,179,703 km (0.104 R)
• M21: 3,341,119 km (0.047 R)
• M22: 3,494,157 km (0.075 R)
• M23: 3,582,869 km (0.106 R)
• M24: 3,807,565 km (0.04 R)
• M25: 4,095,242 km (0.074 R)
• M26: 4,188,740 km (0.118 R)
• M27: 4,366,163 km (0.115 R)
• M28: 4,521,895 km (0.111 R)
• M29: 4,876,143 km (0.091 R)
• M30: 5,012,875 km (0.107 R)
• M31: 5,113,106 km (0.106 R)
• M32: 5,495,179 km (0.085 R)
• M33: 5,833,868 km (0.083 R)
• M34: 5,979,277 km (0.057 R)
• M35: 6,125,734 km (0.106 R)
• M36: 6,233,145 km (0.054 R)
• M37: 6,327,691 km (0.111 R)
• M38: 6,422,536 km (0.108 R)
• M39: 6,504,366 km (0.109 R)
• M40: 6,655,160 km (0.109 R)
• M41: 6,862,802 km (0.102 R)
• M42: 7,284,369 km (0.109 R)
• M43: 7,888,894 km (0.113 R)
• M44: 8,079,183 km (0.04 R)
• M45: 8,271,117 km (0.104 R)
• M46: 8,554,455 km (0.12 R)
• M47: 8,704,801 km (0.075 R)
• M48: 9,023,594 km (0.097 R)
• M49: 10,018,420 km (0.076 R)
• M50: 10,320,458 km (0.12 R)
• M51: 10,464,670 km (0.1 R)
• M52: 10,722,577 km (0.088 R)
• M53: 10,819,816 km (0.074 R)
• M54: 11,031,646 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 13.3

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.68 AU - 2.38 AU

Year: 1897 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 47,558,172 km

• M1: 167,998 km (0.037 R)
• M2: 264,938 km (0.097 R)
• M3: 364,720 km (0.118 R)
• M4: 660,175 km (0.099 R)
• M5: 1,042,398 km (0.093 R)
• M6: 1,318,256 km (0.116 R)
• M7: 1,429,258 km (0.119 R)
• M8: 1,704,817 km (0.033 R)
• M9: 1,793,230 km (0.117 R)
• M10: 1,940,284 km (0.047 R)
• M11: 2,032,885 km (0.087 R)
• M12: 2,138,950 km (0.117 R)
• M13: 2,986,871 km (0.109 R)
• M14: 3,245,077 km (0.119 R)
• M15: 3,539,186 km (0.034 R)
• M16: 3,725,735 km (0.066 R)
• M17: 3,945,045 km (0.087 R)
• M18: 4,168,545 km (0.115 R)
• M19: 4,304,828 km (0.059 R)
• M20: 4,488,684 km (0.071 R)
• M21: 4,738,064 km (0.102 R)
• M22: 4,976,074 km (0.065 R)
• M23: 5,120,885 km (0.11 R)
• M24: 5,414,545 km (0.073 R)
• M25: 5,630,116 km (0.079 R)
• M26: 5,848,529 km (0.103 R)
• M27: 5,933,351 km (0.114 R)
• M28: 6,241,971 km (0.114 R)
• M29: 6,573,630 km (0.1 R)
• M30: 6,715,000 km (0.092 R)
• M31: 6,964,828 km (0.094 R)
• M32: 7,126,992 km (0.074 R)
• M33: 7,510,561 km (0.08 R)
• M34: 8,070,057 km (0.105 R)
• M35: 8,355,041 km (0.037 R)
• M36: 8,527,527 km (0.118 R)
• M37: 8,740,106 km (0.105 R)
• M38: 9,209,843 km (0.06 R)
• M39: 9,328,624 km (0.107 R)
• M40: 9,507,693 km (0.095 R)
• M41: 9,728,050 km (0.072 R)
• M42: 10,011,090 km (0.051 R)
• M43: 10,133,311 km (0.117 R)
• M44: 10,668,273 km (0.071 R)
• M45: 10,751,449 km (0.074 R)
• M46: 11,023,119 km (0.053 R)
• M47: 11,488,069 km (0.092 R)
• M48: 12,175,920 km (0.116 R)
• M49: 12,393,735 km (0.082 R)
• M50: 13,054,509 km (0.113 R)
• M51: 13,188,099 km (0.077 R)
• M52: 13,389,309 km (0.103 R)
• M53: 13,636,594 km (0.062 R)
• M54: 13,817,458 km (0.087 R)
• M55: 13,953,592 km (0.12 R)
• M56: 14,272,983 km (0.029 R)
• M57: 14,364,687 km (0.097 R)
• M58: 14,456,689 km (0.103 R)
• M59: 14,548,692 km (0.038 R)
• M60: 14,733,595 km (0.1 R)
• M61: 15,175,507 km (0.045 R)
• M62: 15,457,050 km (0.109 R)
• M63: 15,906,143 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.3

Radius: 4.2

Gravity: 33.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.76 AU - 7.06 AU

Year: 10646 Days

Day: 18.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 47,558,172 km

• M1: 68,965 km (0.076 R)
• M2: 130,898 km (0.09 R)
• M3: 363,224 km (0.071 R)
• M4: 505,790 km (0.08 R)
• M5: 1,691,653 km (0.096 R)
• M6: 2,126,534 km (0.08 R)
• M7: 2,702,486 km (0.077 R)
• M8: 3,236,251 km (0.105 R)
• M9: 3,530,061 km (0.066 R)
• M10: 3,589,751 km (0.091 R)
• M11: 4,142,963 km (0.069 R)
• M12: 4,526,383 km (0.105 R)
• M13: 4,887,662 km (0.085 R)
• M14: 5,021,402 km (0.114 R)
• M15: 5,054,912 km (0.07 R)
• M16: 5,088,572 km (0.079 R)
• M17: 5,122,381 km (0.119 R)
• M18: 6,026,101 km (0.086 R)
• M19: 6,169,566 km (0.032 R)
• M20: 6,314,077 km (0.112 R)
• M21: 6,791,295 km (0.085 R)
• M22: 7,318,328 km (0.111 R)
• M23: 7,356,326 km (0.089 R)
• M24: 7,819,331 km (0.117 R)
• M25: 8,014,856 km (0.048 R)
• M26: 8,172,532 km (0.11 R)
• M27: 8,491,026 km (0.066 R)
• M28: 8,854,100 km (0.115 R)
• M29: 9,139,981 km (0.108 R)
• M30: 9,931,204 km (0.114 R)
• M31: 10,143,035 km (0.053 R)
• M32: 10,185,521 km (0.06 R)
• M33: 10,528,100 km (0.113 R)
• M34: 11,667,138 km (0.055 R)
• M35: 11,980,396 km (0.074 R)
• M36: 12,296,496 km (0.073 R)
• M37: 13,634,799 km (0.095 R)
• M38: 14,106,930 km (0.115 R)
• M39: 14,154,502 km (0.072 R)
• M40: 15,213,056 km (0.072 R)
• M41: 15,310,594 km (0.089 R)
• M42: 15,801,125 km (0.105 R)
• M43: 16,747,482 km (0.06 R)
• M44: 16,948,990 km (0.072 R)
• M45: 17,050,118 km (0.082 R)
• M46: 17,100,682 km (0.119 R)
• M47: 17,252,823 km (0.09 R)
• M48: 18,278,616 km (0.069 R)
• M49: 18,642,139 km (0.075 R)
• M50: 18,746,558 km (0.067 R)
• M51: 19,482,280 km (0.044 R)
• M52: 22,796,621 km (0.044 R)
• M53: 23,244,068 km (0.068 R)
• M54: 24,603,614 km (0.098 R)
• M55: 26,280,606 km (0.094 R)
• M56: 26,690,803 km (0.083 R)
• M57: 28,593,090 km (0.053 R)
• M58: 29,926,156 km (0.086 R)
• M59: 30,477,275 km (0.035 R)
• M60: 32,025,763 km (0.108 R)
• M61: 33,981,007 km (0.108 R)
• M62: 34,427,856 km (0.089 R)
• M63: 39,001,960 km (0.093 R)
• M64: 39,268,992 km (0.076 R)
• M65: 40,410,873 km (0.087 R)
• M66: 41,223,488 km (0.076 R)
• M67: 42,315,254 km (0.065 R)
• M68: 42,520,951 km (0.043 R)
• M69: 43,140,286 km (0.044 R)
• M70: 43,762,613 km (0.054 R)
• M71: 44,248,657 km (0.1 R)
• M72: 45,086,105 km (0.057 R)
• M73: 45,226,129 km (0.114 R)
• M74: 45,576,936 km (0.074 R)
• M75: 45,858,330 km (0.086 R)
• M76: 46,140,172 km (0.103 R)
• M77: 46,705,652 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 12,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit