🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.52 AU - 0.58 AU

Year: 268 Days

Day: 35.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14

Radius: 9.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.8 AU - 1.04 AU

Year: 579 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 47,850,254 km

• M1: 119,379 km (0.109 R)
• M2: 1,006,943 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 8.7

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.07 AU - 1.47 AU

Year: 939 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,850,254 km

• M1: 108,159 km (0.12 R)
• M2: 472,131 km (0.077 R)
• M3: 747,840 km (0.076 R)
• M4: 1,019,659 km (0.091 R)
• M5: 1,359,396 km (0.119 R)
• M6: 1,683,275 km (0.116 R)
• M7: 2,027,949 km (0.026 R)
• M8: 2,362,150 km (0.111 R)
• M9: 2,979,541 km (0.118 R)
• M10: 3,715,862 km (0.055 R)
• M11: 4,586,372 km (0.082 R)
• M12: 4,955,280 km (0.085 R)
• M13: 5,264,648 km (0.12 R)
• M14: 7,057,728 km (0.088 R)
• M15: 7,728,226 km (0.11 R)
• M16: 9,724,011 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 14

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.54 AU - 1.84 AU

Year: 1441 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,850,254 km

• M1: 175,777 km (0.07 R)
• M2: 969,993 km (0.11 R)
• M3: 1,412,353 km (0.107 R)
• M4: 2,012,839 km (0.075 R)
• M5: 2,538,975 km (0.041 R)
• M6: 3,302,822 km (0.065 R)
• M7: 4,215,518 km (0.086 R)
• M8: 4,662,966 km (0.112 R)
• M9: 5,460,921 km (0.065 R)
• M10: 6,242,719 km (0.105 R)
• M11: 7,353,035 km (0.115 R)
• M12: 8,591,107 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 10.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.09 AU - 3.37 AU

Year: 2959 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,850,254 km

• M1: 133,292 km (0.105 R)
• M2: 727,943 km (0.108 R)
• M3: 1,515,277 km (0.1 R)
• M4: 1,886,280 km (0.037 R)
• M5: 2,752,451 km (0.108 R)
• M6: 4,705,152 km (0.034 R)
• M7: 5,558,907 km (0.084 R)
• M8: 6,923,539 km (0.101 R)
• M9: 8,919,773 km (0.118 R)
• M10: 12,481,399 km (0.045 R)
• M11: 12,978,962 km (0.115 R)
• M12: 13,773,775 km (0.089 R)
• M13: 16,087,456 km (0.091 R)
• M14: 19,965,332 km (0.099 R)
• M15: 21,599,838 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.93 AU - 6.33 AU

Year: 8763 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,850,254 km

• M1: 99,483 km (0.118 R)
• M2: 391,498 km (0.037 R)
• M3: 701,614 km (0.104 R)
• M4: 980,614 km (0.086 R)
• M5: 1,424,471 km (0.102 R)
• M6: 1,939,237 km (0.116 R)
• M7: 4,781,447 km (0.036 R)
• M8: 7,043,666 km (0.114 R)
• M9: 7,432,022 km (0.11 R)
• M10: 8,925,009 km (0.071 R)
• M11: 9,763,655 km (0.12 R)
• M12: 10,517,030 km (0.109 R)
• M13: 11,645,596 km (0.095 R)
• M14: 12,905,060 km (0.087 R)
• M15: 14,197,287 km (0.089 R)
• M16: 15,105,346 km (0.066 R)
• M17: 16,051,552 km (0.045 R)
• M18: 19,744,675 km (0.059 R)
• M19: 20,731,423 km (0.096 R)
• M20: 21,309,768 km (0.09 R)
• M21: 27,095,166 km (0.095 R)
• M22: 28,224,630 km (0.076 R)
• M23: 28,935,071 km (0.118 R)
• M24: 29,657,479 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 10.5

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.89 AU - 6.37 AU

Year: 8763 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,850,254 km

• M1: 258,505 km (0.11 R)
• M2: 989,889 km (0.053 R)
• M3: 1,326,784 km (0.055 R)
• M4: 2,104,992 km (0.06 R)
• M5: 2,557,675 km (0.105 R)
• M6: 4,633,046 km (0.038 R)
• M7: 5,211,691 km (0.099 R)
• M8: 6,737,589 km (0.055 R)
• M9: 7,240,687 km (0.087 R)
• M10: 10,803,210 km (0.085 R)
• M11: 13,020,251 km (0.032 R)
• M12: 13,679,528 km (0.037 R)
• M13: 14,614,366 km (0.054 R)
• M14: 15,791,701 km (0.11 R)
• M15: 18,334,416 km (0.079 R)
• M16: 21,881,830 km (0.092 R)
• M17: 23,072,629 km (0.114 R)
• M18: 23,949,273 km (0.086 R)
• M19: 24,306,064 km (0.103 R)
• M20: 25,397,829 km (0.11 R)
• M21: 26,143,724 km (0.118 R)
• M22: 28,270,258 km (0.107 R)
• M23: 39,277,819 km (0.106 R)
• M24: 41,545,423 km (0.069 R)
• M25: 45,108,396 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642

Radius: 3.3

Gravity: 58.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.28 AU - 7.78 AU

Year: 10947 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,850,254 km

• M1: 42,037 km (0.026 R)
• M2: 307,872 km (0.118 R)
• M3: 737,817 km (0.038 R)
• M4: 1,495,530 km (0.105 R)
• M5: 1,749,996 km (0.106 R)
• M6: 2,120,999 km (0.094 R)
• M7: 3,109,093 km (0.083 R)
• M8: 3,944,148 km (0.102 R)
• M9: 8,505,686 km (0.061 R)
• M10: 8,690,290 km (0.042 R)
• M11: 10,474,693 km (0.114 R)
• M12: 11,564,514 km (0.074 R)
• M13: 12,429,788 km (0.069 R)
• M14: 12,727,637 km (0.114 R)
• M15: 13,839,149 km (0.051 R)
• M16: 17,043,386 km (0.116 R)
• M17: 21,636,639 km (0.116 R)
• M18: 21,894,396 km (0.065 R)
• M19: 25,913,942 km (0.083 R)
• M20: 32,822,970 km (0.107 R)
• M21: 34,547,983 km (0.109 R)
• M22: 40,994,903 km (0.073 R)
• M23: 45,616,879 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.9

Radius: 3.5

Gravity: 52.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.5 AU - 7.64 AU

Year: 11047 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,850,254 km

• M1: 53,855 km (0.097 R)
• M2: 233,522 km (0.074 R)
• M3: 360,531 km (0.09 R)
• M4: 547,977 km (0.065 R)
• M5: 693,087 km (0.083 R)
• M6: 863,778 km (0.096 R)
• M7: 1,202,318 km (0.106 R)
• M8: 1,328,579 km (0.085 R)
• M9: 1,549,236 km (0.094 R)
• M10: 1,699,133 km (0.113 R)
• M11: 2,081,206 km (0.077 R)
• M12: 2,811,991 km (0.118 R)
• M13: 3,752,064 km (0.111 R)
• M14: 4,395,335 km (0.081 R)
• M15: 4,635,440 km (0.065 R)
• M16: 4,821,091 km (0.115 R)
• M17: 5,860,796 km (0.118 R)
• M18: 6,376,011 km (0.063 R)
• M19: 7,794,947 km (0.067 R)
• M20: 9,659,385 km (0.104 R)
• M21: 12,739,605 km (0.105 R)
• M22: 13,726,951 km (0.093 R)
• M23: 16,416,122 km (0.102 R)
• M24: 16,993,121 km (0.094 R)
• M25: 17,508,935 km (0.114 R)
• M26: 19,436,503 km (0.112 R)
• M27: 20,163,549 km (0.089 R)
• M28: 26,155,991 km (0.081 R)
• M29: 26,449,053 km (0.076 R)
• M30: 30,568,081 km (0.075 R)
• M31: 33,923,561 km (0.082 R)
• M32: 35,809,841 km (0.114 R)
• M33: 40,306,902 km (0.044 R)
• M34: 42,555,508 km (0.04 R)
• M35: 44,054,179 km (0.086 R)
• M36: 45,306,164 km (0.117 R)
• M37: 45,446,786 km (0.074 R)
• M38: 48,319,514 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.8

Radius: 6.1

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.26 AU - 8.6 AU

Year: 11968 Days

Day: 21.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,850,254 km

• M1: 76,295 km (0.06 R)
• M2: 393,293 km (0.114 R)
• M3: 649,554 km (0.087 R)
• M4: 840,441 km (0.108 R)
• M5: 1,289,982 km (0.11 R)
• M6: 1,540,858 km (0.084 R)
• M7: 2,515,488 km (0.108 R)
• M8: 2,781,024 km (0.091 R)
• M9: 3,202,741 km (0.057 R)
• M10: 3,490,418 km (0.059 R)
• M11: 4,257,406 km (0.066 R)
• M12: 4,756,464 km (0.118 R)
• M13: 6,793,389 km (0.06 R)
• M14: 7,228,719 km (0.037 R)
• M15: 10,190,158 km (0.118 R)
• M16: 10,866,490 km (0.066 R)
• M17: 11,683,594 km (0.096 R)
• M18: 13,624,327 km (0.108 R)
• M19: 20,554,897 km (0.084 R)
• M20: 26,804,498 km (0.046 R)
• M21: 30,569,128 km (0.104 R)
• M22: 30,996,080 km (0.088 R)
• M23: 35,487,008 km (0.055 R)
• M24: 38,379,633 km (0.071 R)
• M25: 43,948,563 km (0.083 R)
• M26: 46,854,053 km (0.102 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: 418 - 19,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit