🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 14.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.09 AU - 1.23 AU

Year: 878 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,729,261 km

• M1: 176,974 km (0.092 R)
• M2: 827,276 km (0.103 R)
• M3: 1,547,141 km (0.07 R)
• M4: 2,261,471 km (0.109 R)
• M5: 2,729,114 km (0.118 R)
• M6: 3,400,210 km (0.092 R)
• M7: 4,369,903 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 10.3

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.08 AU - 1.76 AU

Year: 1189 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,729,261 km

• M1: 128,056 km (0.106 R)
• M2: 451,935 km (0.073 R)
• M3: 996,621 km (0.082 R)
• M4: 1,548,338 km (0.097 R)
• M5: 2,216,143 km (0.082 R)
• M6: 2,718,193 km (0.097 R)
• M7: 3,251,211 km (0.076 R)
• M8: 3,836,288 km (0.12 R)
• M9: 4,293,758 km (0.076 R)
• M10: 4,999,112 km (0.104 R)
• M11: 5,608,873 km (0.089 R)
• M12: 6,064,847 km (0.111 R)
• M13: 9,102,731 km (0.09 R)
• M14: 9,795,070 km (0.09 R)
• M15: 10,489,803 km (0.073 R)
• M16: 10,882,497 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 14.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.53 AU - 1.63 AU

Year: 1396 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,729,261 km

• M1: 185,352 km (0.062 R)
• M2: 657,632 km (0.113 R)
• M3: 1,124,976 km (0.103 R)
• M4: 1,655,749 km (0.069 R)
• M5: 2,180,838 km (0.094 R)
• M6: 2,644,442 km (0.104 R)
• M7: 3,204,536 km (0.081 R)
• M8: 4,742,552 km (0.114 R)
• M9: 5,868,425 km (0.109 R)
• M10: 6,780,523 km (0.095 R)
• M11: 7,785,522 km (0.072 R)
• M12: 8,440,611 km (0.102 R)
• M13: 9,571,870 km (0.053 R)
• M14: 11,837,979 km (0.12 R)
• M15: 12,475,415 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 11.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.77 AU - 1.93 AU

Year: 1769 Days

Day: 5 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,729,261 km

• M1: 143,764 km (0.105 R)
• M2: 500,106 km (0.038 R)
• M3: 904,768 km (0.074 R)
• M4: 1,368,671 km (0.109 R)
• M5: 1,761,066 km (0.113 R)
• M6: 2,177,846 km (0.09 R)
• M7: 3,108,045 km (0.071 R)
• M8: 3,490,418 km (0.097 R)
• M9: 3,858,578 km (0.11 R)
• M10: 4,621,677 km (0.111 R)
• M11: 6,469,210 km (0.066 R)
• M12: 7,097,222 km (0.116 R)
• M13: 9,089,866 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.7

Radius: 11

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.61 AU - 2.68 AU

Year: 2201 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,729,261 km

• M1: 137,331 km (0.119 R)
• M2: 514,168 km (0.106 R)
• M3: 1,070,971 km (0.043 R)
• M4: 1,489,845 km (0.083 R)
• M5: 2,146,430 km (0.111 R)
• M6: 2,911,623 km (0.11 R)
• M7: 3,303,121 km (0.119 R)
• M8: 3,700,154 km (0.084 R)
• M9: 4,065,921 km (0.103 R)
• M10: 4,996,569 km (0.103 R)
• M11: 5,738,724 km (0.102 R)
• M12: 7,489,617 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 9.8

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.08 AU - 3.82 AU

Year: 4504 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,729,261 km

• M1: 122,072 km (0.096 R)
• M2: 463,753 km (0.079 R)
• M3: 822,040 km (0.119 R)
• M4: 1,316,910 km (0.07 R)
• M5: 1,747,004 km (0.099 R)
• M6: 3,196,757 km (0.083 R)
• M7: 5,781,509 km (0.048 R)
• M8: 6,518,877 km (0.059 R)
• M9: 7,849,251 km (0.076 R)
• M10: 10,455,246 km (0.107 R)
• M11: 11,833,341 km (0.063 R)
• M12: 12,969,238 km (0.086 R)
• M13: 15,002,722 km (0.085 R)
• M14: 15,860,965 km (0.077 R)
• M15: 16,933,731 km (0.03 R)
• M16: 17,675,288 km (0.068 R)
• M17: 19,556,930 km (0.051 R)
• M18: 19,894,273 km (0.116 R)
• M19: 21,928,505 km (0.066 R)
• M20: 22,809,487 km (0.031 R)
• M21: 23,485,519 km (0.082 R)
• M22: 24,174,866 km (0.08 R)
• M23: 24,485,581 km (0.077 R)
• M24: 25,273,962 km (0.11 R)
• M25: 27,319,114 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 10.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.06 AU - 4.2 AU

Year: 4861 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,729,261 km

• M1: 131,945 km (0.093 R)
• M2: 472,131 km (0.042 R)
• M3: 851,062 km (0.072 R)
• M4: 1,378,694 km (0.104 R)
• M5: 1,730,997 km (0.067 R)
• M6: 2,158,099 km (0.088 R)
• M7: 2,655,063 km (0.066 R)
• M8: 2,992,556 km (0.107 R)
• M9: 3,513,755 km (0.092 R)
• M10: 5,369,516 km (0.056 R)
• M11: 5,829,829 km (0.056 R)
• M12: 6,706,473 km (0.099 R)
• M13: 7,837,732 km (0.111 R)
• M14: 8,611,302 km (0.049 R)
• M15: 9,281,501 km (0.09 R)
• M16: 9,747,199 km (0.041 R)
• M17: 10,351,425 km (0.079 R)
• M18: 11,369,887 km (0.048 R)
• M19: 14,773,987 km (0.056 R)
• M20: 15,142,596 km (0.08 R)
• M21: 17,779,408 km (0.115 R)
• M22: 20,059,878 km (0.12 R)
• M23: 21,842,486 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 8.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.94 AU - 5.3 AU

Year: 6980 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,729,261 km

• M1: 110,403 km (0.103 R)
• M2: 446,250 km (0.069 R)
• M3: 935,884 km (0.109 R)
• M4: 1,853,817 km (0.11 R)
• M5: 2,294,383 km (0.086 R)
• M6: 3,015,594 km (0.098 R)
• M7: 5,385,972 km (0.081 R)
• M8: 5,902,234 km (0.098 R)
• M9: 8,068,561 km (0.113 R)
• M10: 9,544,494 km (0.109 R)
• M11: 9,984,760 km (0.054 R)
• M12: 12,033,354 km (0.072 R)
• M13: 14,347,633 km (0.043 R)
• M14: 15,518,834 km (0.115 R)
• M15: 16,438,263 km (0.118 R)
• M16: 17,785,840 km (0.091 R)
• M17: 18,929,516 km (0.105 R)
• M18: 19,836,678 km (0.063 R)
• M19: 26,323,541 km (0.092 R)
• M20: 28,433,768 km (0.093 R)
• M21: 28,796,094 km (0.118 R)
• M22: 30,182,567 km (0.085 R)
• M23: 33,087,758 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.4

Radius: 5.4

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.13 AU - 7.49 AU

Year: 13893 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,729,261 km

• M1: 67,319 km (0.067 R)
• M2: 444,605 km (0.084 R)
• M3: 857,196 km (0.042 R)
• M4: 1,127,818 km (0.077 R)
• M5: 1,684,921 km (0.094 R)
• M6: 2,147,777 km (0.118 R)
• M7: 2,629,183 km (0.116 R)
• M8: 2,797,630 km (0.12 R)
• M9: 3,109,841 km (0.088 R)
• M10: 4,967,248 km (0.11 R)
• M11: 5,527,193 km (0.104 R)
• M12: 6,463,376 km (0.078 R)
• M13: 8,281,140 km (0.115 R)
• M14: 8,924,560 km (0.092 R)
• M15: 9,258,463 km (0.117 R)
• M16: 15,659,456 km (0.076 R)
• M17: 17,001,200 km (0.097 R)
• M18: 18,648,571 km (0.112 R)
• M19: 21,484,049 km (0.069 R)
• M20: 22,870,971 km (0.118 R)
• M21: 23,495,991 km (0.09 R)
• M22: 26,207,602 km (0.113 R)
• M23: 28,809,857 km (0.081 R)
• M24: 34,871,862 km (0.091 R)
• M25: 40,682,243 km (0.087 R)
• M26: 41,467,333 km (0.087 R)
• M27: 42,396,186 km (0.113 R)
• M28: 45,265,773 km (0.054 R)
• M29: 48,554,383 km (0.119 R)

Asteroid Belt

Center: 8.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.4

Radius: 6

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.69 AU - 10.41 AU

Year: 20745 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,729,261 km

• M1: 75,846 km (0.079 R)
• M2: 264,339 km (0.095 R)
• M3: 486,642 km (0.057 R)
• M4: 692,339 km (0.057 R)
• M5: 1,218,774 km (0.063 R)
• M6: 1,576,313 km (0.083 R)
• M7: 2,020,768 km (0.089 R)
• M8: 2,522,519 km (0.102 R)
• M9: 3,316,435 km (0.07 R)
• M10: 3,921,110 km (0.089 R)
• M11: 4,838,145 km (0.114 R)
• M12: 5,653,004 km (0.115 R)
• M13: 5,890,416 km (0.111 R)
• M14: 6,134,410 km (0.088 R)
• M15: 6,555,977 km (0.09 R)
• M16: 7,316,981 km (0.03 R)
• M17: 10,534,084 km (0.119 R)
• M18: 12,088,106 km (0.087 R)
• M19: 14,511,891 km (0.083 R)
• M20: 15,643,300 km (0.097 R)
• M21: 16,033,152 km (0.068 R)
• M22: 20,479,948 km (0.109 R)
• M23: 22,487,253 km (0.058 R)
• M24: 26,117,993 km (0.118 R)
• M25: 28,474,010 km (0.094 R)
• M26: 30,241,210 km (0.1 R)
• M27: 30,482,212 km (0.052 R)
• M28: 30,724,411 km (0.11 R)
• M29: 35,575,720 km (0.06 R)
• M30: 37,207,683 km (0.105 R)
• M31: 40,766,766 km (0.074 R)
• M32: 42,101,628 km (0.115 R)
• M33: 48,883,348 km (0.073 R)
• M34: 51,068,524 km (0.094 R)
• M35: 53,669,732 km (0.107 R)
• M36: 55,994,483 km (0.116 R)
• M37: 67,186,797 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 18,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit