🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.39 AU - 0.63 AU

Year: 239 Days

Day: 32.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 13.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.83 AU - 0.83 AU

Year: 496 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,645,888 km

• M1: 197,918 km (0.03 R)
• M2: 293,960 km (0.118 R)
• M3: 400,174 km (0.08 R)
• M4: 529,128 km (0.097 R)
• M5: 659,577 km (0.099 R)
• M6: 768,035 km (0.066 R)
• M7: 892,501 km (0.075 R)
• M8: 976,575 km (0.071 R)
• M9: 1,073,365 km (0.102 R)
• M10: 1,173,894 km (0.115 R)
• M11: 1,256,772 km (0.12 R)
• M12: 1,347,129 km (0.117 R)
• M13: 1,473,240 km (0.12 R)
• M14: 1,557,613 km (0.079 R)
• M15: 1,719,927 km (0.089 R)
• M16: 1,986,809 km (0.072 R)
• M17: 2,183,082 km (0.116 R)
• M18: 2,280,470 km (0.113 R)
• M19: 2,432,761 km (0.078 R)
• M20: 2,595,224 km (0.07 R)
• M21: 2,705,777 km (0.055 R)
• M22: 2,981,635 km (0.097 R)
• M23: 3,237,298 km (0.026 R)
• M24: 3,379,117 km (0.043 R)
• M25: 3,576,586 km (0.095 R)
• M26: 4,167,797 km (0.09 R)
• M27: 4,371,848 km (0.117 R)
• M28: 4,512,470 km (0.116 R)
• M29: 4,637,684 km (0.063 R)
• M30: 4,789,675 km (0.108 R)
• M31: 4,909,054 km (0.091 R)
• M32: 5,220,666 km (0.048 R)
• M33: 5,308,331 km (0.118 R)
• M34: 5,485,305 km (0.115 R)
• M35: 5,583,441 km (0.115 R)
• M36: 5,700,277 km (0.081 R)
• M37: 5,790,634 km (0.061 R)
• M38: 5,908,817 km (0.069 R)
• M39: 6,221,925 km (0.111 R)
• M40: 6,315,125 km (0.078 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 9.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.95 AU - 3.17 AU

Year: 3511 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 72,645,888 km

• M1: 245,341 km (0.03 R)
• M2: 582,833 km (0.036 R)
• M3: 827,127 km (0.113 R)
• M4: 895,942 km (0.113 R)
• M5: 1,191,248 km (0.098 R)
• M6: 1,408,913 km (0.072 R)
• M7: 1,504,506 km (0.094 R)
• M8: 1,602,343 km (0.06 R)
• M9: 1,689,708 km (0.096 R)
• M10: 1,766,003 km (0.106 R)
• M11: 1,948,512 km (0.103 R)
• M12: 2,248,007 km (0.117 R)
• M13: 2,346,293 km (0.026 R)
• M14: 2,814,534 km (0.095 R)
• M15: 2,920,898 km (0.096 R)
• M16: 3,028,609 km (0.077 R)
• M17: 3,169,081 km (0.091 R)
• M18: 3,570,452 km (0.025 R)
• M19: 3,835,989 km (0.074 R)
• M20: 3,954,171 km (0.079 R)
• M21: 4,403,862 km (0.041 R)
• M22: 4,797,155 km (0.059 R)
• M23: 4,869,859 km (0.078 R)
• M24: 4,943,013 km (0.032 R)
• M25: 5,016,465 km (0.104 R)
• M26: 5,351,565 km (0.075 R)
• M27: 5,713,292 km (0.093 R)
• M28: 5,945,917 km (0.11 R)
• M29: 6,662,341 km (0.082 R)
• M30: 7,030,651 km (0.087 R)
• M31: 7,321,918 km (0.091 R)
• M32: 7,595,832 km (0.081 R)
• M33: 8,262,739 km (0.112 R)
• M34: 8,791,867 km (0.066 R)
• M35: 9,128,163 km (0.092 R)
• M36: 9,218,520 km (0.106 R)
• M37: 9,423,020 km (0.116 R)
• M38: 9,560,202 km (0.111 R)
• M39: 9,652,055 km (0.053 R)
• M40: 9,767,245 km (0.062 R)
• M41: 10,255,981 km (0.097 R)
• M42: 10,681,288 km (0.117 R)
• M43: 10,968,067 km (0.051 R)
• M44: 11,281,624 km (0.07 R)
• M45: 12,165,299 km (0.107 R)
• M46: 12,540,042 km (0.076 R)
• M47: 13,071,114 km (0.045 R)
• M48: 13,224,302 km (0.069 R)
• M49: 14,129,070 km (0.027 R)
• M50: 14,575,769 km (0.102 R)
• M51: 15,027,256 km (0.086 R)
• M52: 15,510,158 km (0.114 R)
• M53: 16,161,956 km (0.081 R)
• M54: 16,573,948 km (0.12 R)
• M55: 17,240,257 km (0.089 R)
• M56: 17,887,118 km (0.061 R)
• M57: 18,570,481 km (0.109 R)
• M58: 19,349,437 km (0.081 R)
• M59: 19,494,847 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.2

Radius: 4.1

Gravity: 50.76 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.35 AU - 9.97 AU

Year: 16718 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,645,888 km

• M1: 53,257 km (0.094 R)
• M2: 123,568 km (0.106 R)
• M3: 287,826 km (0.076 R)
• M4: 546,780 km (0.105 R)
• M5: 790,625 km (0.102 R)
• M6: 1,013,077 km (0.057 R)
• M7: 1,064,987 km (0.053 R)
• M8: 1,662,930 km (0.096 R)
• M9: 1,755,531 km (0.052 R)
• M10: 2,485,718 km (0.06 R)
• M11: 3,144,398 km (0.098 R)
• M12: 3,297,885 km (0.093 R)
• M13: 3,772,559 km (0.107 R)
• M14: 3,813,100 km (0.066 R)
• M15: 3,894,631 km (0.079 R)
• M16: 4,438,120 km (0.111 R)
• M17: 4,567,073 km (0.084 R)
• M18: 4,784,439 km (0.116 R)
• M19: 5,274,671 km (0.054 R)
• M20: 5,365,477 km (0.076 R)
• M21: 7,187,280 km (0.072 R)
• M22: 7,237,695 km (0.081 R)
• M23: 7,338,673 km (0.117 R)
• M24: 8,058,538 km (0.11 R)
• M25: 9,564,390 km (0.107 R)
• M26: 9,842,343 km (0.054 R)
• M27: 9,954,242 km (0.117 R)
• M28: 10,406,028 km (0.054 R)
• M29: 10,577,168 km (0.12 R)
• M30: 10,749,205 km (0.071 R)
• M31: 11,505,572 km (0.107 R)
• M32: 11,682,547 km (0.111 R)
• M33: 13,069,020 km (0.091 R)
• M34: 13,377,341 km (0.109 R)
• M35: 14,063,845 km (0.073 R)
• M36: 15,666,188 km (0.096 R)
• M37: 15,796,937 km (0.08 R)
• M38: 16,455,616 km (0.066 R)
• M39: 17,123,421 km (0.119 R)
• M40: 17,936,186 km (0.075 R)
• M41: 18,347,431 km (0.084 R)
• M42: 18,761,667 km (0.104 R)
• M43: 19,388,782 km (0.06 R)
• M44: 19,740,187 km (0.106 R)
• M45: 20,591,997 km (0.106 R)
• M46: 22,995,736 km (0.036 R)
• M47: 23,144,287 km (0.064 R)
• M48: 23,442,136 km (0.041 R)
• M49: 23,591,734 km (0.066 R)
• M50: 25,027,275 km (0.088 R)
• M51: 25,948,499 km (0.113 R)
• M52: 28,618,222 km (0.034 R)
• M53: 30,717,828 km (0.097 R)
• M54: 30,881,339 km (0.068 R)
• M55: 31,538,522 km (0.07 R)
• M56: 31,620,951 km (0.078 R)
• M57: 31,703,529 km (0.085 R)
• M58: 31,786,107 km (0.05 R)
• M59: 32,950,128 km (0.097 R)
• M60: 33,033,753 km (0.068 R)
• M61: 35,662,636 km (0.072 R)
• M62: 35,748,506 km (0.058 R)
• M63: 35,834,524 km (0.108 R)
• M64: 37,306,717 km (0.119 R)
• M65: 39,329,729 km (0.081 R)
• M66: 41,659,267 km (0.095 R)
• M67: 43,481,369 km (0.107 R)
• M68: 43,756,928 km (0.12 R)
• M69: 47,202,766 km (0.11 R)
• M70: 47,675,046 km (0.089 R)
• M71: 48,433,956 km (0.105 R)
• M72: 48,719,688 km (0.07 R)
• M73: 50,928,052 km (0.084 R)
• M74: 52,093,120 km (0.082 R)
• M75: 53,070,742 km (0.062 R)
• M76: 53,758,593 km (0.116 R)
• M77: 54,153,083 km (0.1 R)
• M78: 54,845,571 km (0.096 R)
• M79: 55,242,604 km (0.093 R)
• M80: 55,441,569 km (0.113 R)
• M81: 56,840,459 km (0.113 R)
• M82: 59,469,043 km (0.077 R)
• M83: 60,081,198 km (0.1 R)
• M84: 61,827,154 km (0.118 R)
• M85: 62,136,972 km (0.098 R)
• M86: 62,550,909 km (0.079 R)
• M87: 62,861,923 km (0.116 R)
• M88: 63,069,565 km (0.109 R)
• M89: 64,424,772 km (0.098 R)
• M90: 64,634,059 km (0.118 R)
• M91: 64,948,514 km (0.057 R)
• M92: 67,694,832 km (0.031 R)
• M93: 70,263,427 km (0.104 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: 222 - 12,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit