🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.54 AU - 0.54 AU

Year: 252 Days

Day: 42.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.7

Radius: 11.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.76 AU - 0.88 AU

Year: 472 Days

Day: 11.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 53,473,011 km

• M1: 201,359 km (0.053 R)
• M2: 286,181 km (0.081 R)
• M3: 413,339 km (0.095 R)
• M4: 505,491 km (0.042 R)
• M5: 627,264 km (0.118 R)
• M6: 787,334 km (0.091 R)
• M7: 895,343 km (0.106 R)
• M8: 983,157 km (0.111 R)
• M9: 1,069,774 km (0.119 R)
• M10: 1,154,596 km (0.078 R)
• M11: 1,340,995 km (0.093 R)
• M12: 1,438,084 km (0.059 R)
• M13: 1,573,171 km (0.092 R)
• M14: 1,650,065 km (0.038 R)
• M15: 1,733,690 km (0.064 R)
• M16: 1,856,360 km (0.109 R)
• M17: 1,932,356 km (0.08 R)
• M18: 2,015,233 km (0.116 R)
• M19: 2,133,266 km (0.112 R)
• M20: 2,253,542 km (0.068 R)
• M21: 2,573,682 km (0.115 R)
• M22: 2,696,053 km (0.045 R)
• M23: 2,776,686 km (0.112 R)
• M24: 2,851,784 km (0.058 R)
• M25: 3,120,163 km (0.074 R)
• M26: 3,231,164 km (0.092 R)
• M27: 3,317,034 km (0.07 R)
• M28: 3,396,919 km (0.049 R)
• M29: 3,667,990 km (0.11 R)
• M30: 3,820,131 km (0.049 R)
• M31: 3,981,398 km (0.079 R)
• M32: 4,361,825 km (0.101 R)
• M33: 4,449,639 km (0.039 R)
• M34: 4,582,482 km (0.106 R)
• M35: 4,664,312 km (0.093 R)
• M36: 4,791,769 km (0.109 R)
• M37: 4,996,569 km (0.107 R)
• M38: 5,111,610 km (0.07 R)
• M39: 5,196,432 km (0.09 R)
• M40: 5,297,410 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 9.4

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.73 AU - 1.19 AU

Year: 598 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 53,473,011 km

• M1: 124,316 km (0.113 R)
• M2: 196,871 km (0.091 R)
• M3: 262,395 km (0.065 R)
• M4: 332,855 km (0.068 R)
• M5: 400,773 km (0.113 R)
• M6: 466,446 km (0.056 R)
• M7: 536,757 km (0.088 R)
• M8: 679,922 km (0.039 R)
• M9: 756,666 km (0.094 R)
• M10: 1,016,518 km (0.12 R)
• M11: 1,139,936 km (0.116 R)
• M12: 1,215,184 km (0.089 R)
• M13: 1,304,344 km (0.07 R)
• M14: 1,389,615 km (0.051 R)
• M15: 1,495,680 km (0.118 R)
• M16: 1,591,572 km (0.109 R)
• M17: 1,947,315 km (0.117 R)
• M18: 2,059,663 km (0.073 R)
• M19: 2,131,022 km (0.049 R)
• M20: 2,246,960 km (0.055 R)
• M21: 2,335,223 km (0.089 R)
• M22: 2,661,496 km (0.119 R)
• M23: 2,778,780 km (0.073 R)
• M24: 2,857,918 km (0.088 R)
• M25: 2,961,888 km (0.055 R)
• M26: 3,075,283 km (0.044 R)
• M27: 3,157,263 km (0.115 R)
• M28: 3,315,089 km (0.091 R)
• M29: 3,509,566 km (0.086 R)
• M30: 3,569,405 km (0.088 R)
• M31: 3,638,370 km (0.119 R)
• M32: 3,768,819 km (0.034 R)
• M33: 3,918,567 km (0.048 R)
• M34: 4,205,944 km (0.075 R)
• M35: 4,278,798 km (0.052 R)
• M36: 4,453,678 km (0.104 R)
• M37: 4,528,028 km (0.072 R)
• M38: 4,706,349 km (0.042 R)
• M39: 4,973,232 km (0.097 R)
• M40: 5,069,722 km (0.043 R)
• M41: 5,235,327 km (0.11 R)
• M42: 5,392,854 km (0.072 R)
• M43: 5,462,267 km (0.093 R)
• M44: 5,531,980 km (0.064 R)
• M45: 5,854,363 km (0.114 R)
• M46: 6,131,269 km (0.106 R)
• M47: 6,245,262 km (0.051 R)
• M48: 6,307,794 km (0.097 R)
• M49: 6,485,965 km (0.1 R)
• M50: 6,559,867 km (0.094 R)
• M51: 6,687,174 km (0.115 R)
• M52: 6,804,609 km (0.117 R)
• M53: 6,987,417 km (0.113 R)
• M54: 7,171,872 km (0.064 R)
• M55: 7,390,883 km (0.083 R)
• M56: 7,479,146 km (0.025 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.2

Radius: 7.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 10.1 AU - 11.84 AU

Year: 23102 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 53,473,011 km

• M1: 342,130 km (0.114 R)
• M2: 503,098 km (0.081 R)
• M3: 635,941 km (0.071 R)
• M4: 997,070 km (0.076 R)
• M5: 1,166,564 km (0.117 R)
• M6: 1,485,507 km (0.113 R)
• M7: 2,066,096 km (0.093 R)
• M8: 2,119,802 km (0.085 R)
• M9: 2,769,356 km (0.106 R)
• M10: 3,255,399 km (0.076 R)
• M11: 3,444,491 km (0.087 R)
• M12: 3,508,369 km (0.106 R)
• M13: 3,933,078 km (0.092 R)
• M14: 3,999,948 km (0.12 R)
• M15: 4,270,870 km (0.053 R)
• M16: 4,618,086 km (0.115 R)
• M17: 5,155,891 km (0.081 R)
• M18: 5,229,044 km (0.066 R)
• M19: 5,865,284 km (0.099 R)
• M20: 6,173,156 km (0.054 R)
• M21: 6,329,187 km (0.082 R)
• M22: 6,764,666 km (0.078 R)
• M23: 6,885,092 km (0.074 R)
• M24: 7,128,189 km (0.111 R)
• M25: 8,471,727 km (0.071 R)
• M26: 9,172,145 km (0.101 R)
• M27: 10,027,994 km (0.082 R)
• M28: 10,257,477 km (0.082 R)
• M29: 11,192,613 km (0.091 R)
• M30: 11,430,624 km (0.092 R)
• M31: 11,526,366 km (0.073 R)
• M32: 12,399,420 km (0.114 R)
• M33: 13,394,395 km (0.083 R)
• M34: 15,725,130 km (0.063 R)
• M35: 15,991,713 km (0.092 R)
• M36: 16,529,518 km (0.116 R)
• M37: 17,733,182 km (0.069 R)
• M38: 18,401,735 km (0.054 R)
• M39: 18,457,834 km (0.117 R)
• M40: 18,908,423 km (0.027 R)
• M41: 19,591,337 km (0.08 R)
• M42: 20,224,286 km (0.12 R)
• M43: 20,980,952 km (0.075 R)
• M44: 22,043,994 km (0.117 R)
• M45: 23,854,428 km (0.032 R)
• M46: 24,406,743 km (0.074 R)
• M47: 24,715,363 km (0.082 R)
• M48: 24,901,314 km (0.067 R)
• M49: 25,274,261 km (0.065 R)
• M50: 25,586,621 km (0.076 R)
• M51: 26,404,623 km (0.102 R)
• M52: 26,721,471 km (0.102 R)
• M53: 27,487,113 km (0.108 R)
• M54: 28,779,339 km (0.097 R)
• M55: 28,844,414 km (0.103 R)
• M56: 29,563,980 km (0.075 R)
• M57: 30,754,181 km (0.041 R)
• M58: 31,020,914 km (0.11 R)
• M59: 32,840,622 km (0.106 R)
• M60: 33,317,989 km (0.1 R)
• M61: 33,523,387 km (0.065 R)
• M62: 34,141,824 km (0.103 R)
• M63: 34,556,211 km (0.03 R)
• M64: 34,694,738 km (0.111 R)
• M65: 34,902,829 km (0.06 R)
• M66: 35,320,207 km (0.106 R)
• M67: 35,739,380 km (0.077 R)
• M68: 36,441,443 km (0.091 R)
• M69: 37,077,383 km (0.11 R)
• M70: 38,145,213 km (0.103 R)
• M71: 38,575,157 km (0.113 R)
• M72: 39,078,853 km (0.111 R)
• M73: 39,512,238 km (0.086 R)
• M74: 40,749,114 km (0.076 R)
• M75: 41,261,935 km (0.118 R)
• M76: 41,556,045 km (0.075 R)
• M77: 41,777,150 km (0.058 R)
• M78: 41,924,654 km (0.115 R)
• M79: 43,559,160 km (0.106 R)
• M80: 44,008,552 km (0.091 R)
• M81: 44,761,029 km (0.086 R)
• M82: 45,138,764 km (0.071 R)
• M83: 45,290,157 km (0.071 R)
• M84: 46,584,029 km (0.081 R)
• M85: 47,043,594 km (0.081 R)
• M86: 47,120,337 km (0.039 R)
• M87: 47,350,868 km (0.077 R)
• M88: 47,504,654 km (0.09 R)
• M89: 47,735,783 km (0.096 R)
• M90: 47,967,211 km (0.114 R)
• M91: 48,276,430 km (0.05 R)
• M92: 52,833,779 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 11,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit