🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 13.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.89 AU - 0.95 AU

Year: 599 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,756,993 km

• M1: 165,455 km (0.071 R)
• M2: 654,042 km (0.098 R)
• M3: 1,143,825 km (0.078 R)
• M4: 2,003,714 km (0.116 R)
• M5: 2,434,257 km (0.083 R)
• M6: 2,859,414 km (0.061 R)
• M7: 3,904,205 km (0.082 R)
• M8: 4,400,122 km (0.063 R)
• M9: 4,921,620 km (0.101 R)
• M10: 5,537,664 km (0.1 R)
• M11: 5,957,735 km (0.086 R)
• M12: 6,924,586 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 13.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.36 AU - 1.58 AU

Year: 1209 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,756,993 km

• M1: 171,589 km (0.113 R)
• M2: 758,312 km (0.09 R)
• M3: 1,879,548 km (0.025 R)
• M4: 2,320,113 km (0.055 R)
• M5: 2,993,005 km (0.116 R)
• M6: 3,560,878 km (0.114 R)
• M7: 4,749,433 km (0.059 R)
• M8: 5,860,048 km (0.115 R)
• M9: 6,733,849 km (0.088 R)
• M10: 7,534,347 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 9.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.5 AU - 2.44 AU

Year: 1875 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,756,993 km

• M1: 113,246 km (0.116 R)
• M2: 439,369 km (0.076 R)
• M3: 1,025,942 km (0.057 R)
• M4: 1,506,451 km (0.103 R)
• M5: 2,119,802 km (0.057 R)
• M6: 2,962,935 km (0.025 R)
• M7: 3,667,242 km (0.088 R)
• M8: 3,978,705 km (0.106 R)
• M9: 4,734,623 km (0.097 R)
• M10: 5,062,691 km (0.117 R)
• M11: 6,680,742 km (0.118 R)
• M12: 7,307,407 km (0.06 R)
• M13: 8,617,735 km (0.106 R)
• M14: 9,682,124 km (0.083 R)
• M15: 10,280,066 km (0.074 R)
• M16: 11,733,859 km (0.117 R)
• M17: 12,146,150 km (0.081 R)
• M18: 12,999,756 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 14.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.25 AU - 2.29 AU

Year: 2320 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,756,993 km

• M1: 184,604 km (0.107 R)
• M2: 679,623 km (0.037 R)
• M3: 1,160,431 km (0.072 R)
• M4: 1,690,905 km (0.113 R)
• M5: 2,202,978 km (0.096 R)
• M6: 3,382,408 km (0.086 R)
• M7: 4,368,258 km (0.099 R)
• M8: 5,007,639 km (0.094 R)
• M9: 6,083,846 km (0.111 R)
• M10: 7,258,339 km (0.085 R)
• M11: 9,013,721 km (0.118 R)
• M12: 9,865,082 km (0.103 R)
• M13: 11,310,646 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.4 AU - 2.84 AU

Year: 2876 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,756,993 km

• M1: 184,454 km (0.105 R)
• M2: 1,444,667 km (0.112 R)
• M3: 2,227,363 km (0.066 R)
• M4: 3,372,235 km (0.082 R)
• M5: 4,273,562 km (0.107 R)
• M6: 4,960,217 km (0.105 R)
• M7: 5,786,446 km (0.11 R)
• M8: 7,714,014 km (0.058 R)
• M9: 9,403,273 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 13.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.6 AU - 3.64 AU

Year: 3738 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,756,993 km

• M1: 163,211 km (0.08 R)
• M2: 613,202 km (0.12 R)
• M3: 1,101,340 km (0.119 R)
• M4: 1,682,527 km (0.108 R)
• M5: 2,237,835 km (0.058 R)
• M6: 3,743,986 km (0.093 R)
• M7: 4,726,246 km (0.12 R)
• M8: 6,436,299 km (0.095 R)
• M9: 6,905,737 km (0.066 R)
• M10: 7,465,532 km (0.085 R)
• M11: 8,713,926 km (0.105 R)
• M12: 10,055,670 km (0.095 R)
• M13: 10,646,432 km (0.079 R)
• M14: 11,713,364 km (0.101 R)
• M15: 13,395,293 km (0.115 R)
• M16: 15,178,350 km (0.096 R)
• M17: 17,653,895 km (0.078 R)
• M18: 22,597,058 km (0.089 R)
• M19: 23,612,378 km (0.119 R)
• M20: 25,345,769 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637

Radius: 13.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.83 AU - 6.01 AU

Year: 7402 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,756,993 km

• M1: 171,738 km (0.096 R)
• M2: 647,460 km (0.117 R)
• M3: 1,528,890 km (0.099 R)
• M4: 2,329,688 km (0.064 R)
• M5: 2,817,526 km (0.113 R)
• M6: 4,103,320 km (0.096 R)
• M7: 6,040,463 km (0.047 R)
• M8: 6,477,887 km (0.053 R)
• M9: 7,379,214 km (0.046 R)
• M10: 8,038,791 km (0.067 R)
• M11: 8,907,656 km (0.059 R)
• M12: 9,838,154 km (0.112 R)
• M13: 11,329,047 km (0.069 R)
• M14: 13,754,627 km (0.065 R)
• M15: 16,901,717 km (0.105 R)
• M16: 20,651,537 km (0.115 R)
• M17: 21,494,222 km (0.12 R)
• M18: 24,582,221 km (0.072 R)
• M19: 25,181,810 km (0.113 R)
• M20: 26,588,927 km (0.114 R)
• M21: 27,862,454 km (0.115 R)
• M22: 36,262,075 km (0.063 R)
• M23: 37,827,766 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.5

Radius: 5.5

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.93 AU - 6.97 AU

Year: 9844 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,756,993 km

• M1: 68,366 km (0.055 R)
• M2: 252,222 km (0.113 R)
• M3: 1,039,256 km (0.114 R)
• M4: 1,710,352 km (0.103 R)
• M5: 2,075,670 km (0.038 R)
• M6: 2,599,113 km (0.107 R)
• M7: 3,880,120 km (0.117 R)
• M8: 5,004,198 km (0.093 R)
• M9: 5,533,625 km (0.116 R)
• M10: 6,396,805 km (0.053 R)
• M11: 7,273,000 km (0.081 R)
• M12: 8,147,250 km (0.094 R)
• M13: 10,659,746 km (0.065 R)
• M14: 12,987,040 km (0.043 R)
• M15: 13,870,116 km (0.08 R)
• M16: 15,328,995 km (0.101 R)
• M17: 15,510,606 km (0.103 R)
• M18: 18,411,160 km (0.071 R)
• M19: 18,962,129 km (0.034 R)
• M20: 19,241,727 km (0.089 R)
• M21: 20,314,643 km (0.086 R)
• M22: 26,109,915 km (0.057 R)
• M23: 29,149,743 km (0.117 R)
• M24: 34,552,770 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.1

Radius: 3.5

Gravity: 76.01 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.73 AU - 7.81 AU

Year: 10649 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 68,756,993 km

• M1: 43,982 km (0.043 R)
• M2: 460,163 km (0.086 R)
• M3: 743,352 km (0.04 R)
• M4: 960,867 km (0.106 R)
• M5: 1,206,656 km (0.074 R)
• M6: 1,582,596 km (0.116 R)
• M7: 1,723,816 km (0.07 R)
• M8: 2,104,992 km (0.093 R)
• M9: 4,290,617 km (0.072 R)
• M10: 4,597,442 km (0.07 R)
• M11: 5,898,195 km (0.094 R)
• M12: 6,123,938 km (0.117 R)
• M13: 6,277,426 km (0.116 R)
• M14: 8,187,342 km (0.068 R)
• M15: 8,468,137 km (0.093 R)
• M16: 9,916,544 km (0.091 R)
• M17: 10,289,342 km (0.112 R)
• M18: 10,561,310 km (0.112 R)
• M19: 11,063,062 km (0.075 R)
• M20: 11,176,607 km (0.11 R)
• M21: 13,101,782 km (0.07 R)
• M22: 13,292,968 km (0.077 R)
• M23: 17,982,262 km (0.104 R)
• M24: 18,376,752 km (0.114 R)
• M25: 21,743,303 km (0.111 R)
• M26: 24,715,363 km (0.03 R)
• M27: 25,399,774 km (0.092 R)
• M28: 30,548,035 km (0.101 R)
• M29: 32,368,641 km (0.081 R)
• M30: 32,484,878 km (0.115 R)
• M31: 33,900,224 km (0.05 R)
• M32: 36,475,252 km (0.097 R)
• M33: 38,262,498 km (0.083 R)
• M34: 39,707,015 km (0.069 R)
• M35: 42,984,255 km (0.093 R)
• M36: 46,881,280 km (0.11 R)
• M37: 47,178,980 km (0.083 R)
• M38: 48,838,768 km (0.038 R)
• M39: 49,144,696 km (0.044 R)
• M40: 51,638,343 km (0.119 R)
• M41: 53,725,383 km (0.109 R)
• M42: 55,202,811 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.9

Radius: 3.1

Gravity: 85.42 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.71 AU - 8.53 AU

Year: 15694 Days

Day: 15.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,756,993 km

• M1: 38,596 km (0.061 R)
• M2: 304,432 km (0.069 R)
• M3: 459,714 km (0.085 R)
• M4: 1,125,275 km (0.099 R)
• M5: 1,246,300 km (0.101 R)
• M6: 1,663,080 km (0.089 R)
• M7: 2,269,250 km (0.117 R)
• M8: 2,530,598 km (0.055 R)
• M9: 3,662,305 km (0.093 R)
• M10: 5,276,616 km (0.076 R)
• M11: 5,773,281 km (0.116 R)
• M12: 6,176,148 km (0.097 R)
• M13: 9,370,362 km (0.099 R)
• M14: 9,700,973 km (0.071 R)
• M15: 12,106,656 km (0.116 R)
• M16: 12,564,875 km (0.099 R)
• M17: 13,102,530 km (0.06 R)
• M18: 15,255,841 km (0.102 R)
• M19: 16,495,409 km (0.082 R)
• M20: 18,997,583 km (0.115 R)
• M21: 21,645,765 km (0.099 R)
• M22: 22,222,913 km (0.07 R)
• M23: 23,307,199 km (0.113 R)
• M24: 23,710,066 km (0.093 R)
• M25: 25,580,787 km (0.097 R)
• M26: 29,730,482 km (0.08 R)
• M27: 30,085,329 km (0.062 R)
• M28: 33,919,372 km (0.035 R)
• M29: 35,619,702 km (0.12 R)
• M30: 36,829,500 km (0.111 R)
• M31: 38,345,076 km (0.107 R)
• M32: 38,906,367 km (0.116 R)
• M33: 43,899,944 km (0.112 R)
• M34: 50,636,934 km (0.059 R)
• M35: 59,703,313 km (0.082 R)
• M36: 62,756,008 km (0.067 R)
• M37: 64,913,957 km (0.075 R)
• M38: 67,935,684 km (0.067 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: 327 - 11,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit