🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 9.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.59 AU - 0.89 AU

Year: 424 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,159,589 km

• M1: 119,678 km (0.078 R)
• M2: 431,889 km (0.113 R)
• M3: 752,178 km (0.04 R)
• M4: 1,106,127 km (0.055 R)
• M5: 1,454,989 km (0.087 R)
• M6: 1,906,475 km (0.057 R)
• M7: 2,238,882 km (0.107 R)
• M8: 2,739,586 km (0.105 R)
• M9: 3,052,545 km (0.114 R)
• M10: 3,567,161 km (0.11 R)
• M11: 4,407,452 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 10

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.81 AU - 1.35 AU

Year: 748 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,159,589 km

• M1: 124,465 km (0.085 R)
• M2: 524,640 km (0.119 R)
• M3: 984,055 km (0.066 R)
• M4: 2,778,182 km (0.107 R)
• M5: 3,326,458 km (0.092 R)
• M6: 4,328,465 km (0.117 R)
• M7: 5,719,875 km (0.106 R)
• M8: 6,588,739 km (0.077 R)
• M9: 7,410,779 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 8.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.86 AU - 1.3 AU

Year: 748 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,159,589 km

• M1: 103,372 km (0.085 R)
• M2: 361,578 km (0.056 R)
• M3: 1,054,964 km (0.096 R)
• M4: 1,890,917 km (0.108 R)
• M5: 2,601,956 km (0.04 R)
• M6: 2,885,743 km (0.068 R)
• M7: 3,201,394 km (0.092 R)
• M8: 3,954,769 km (0.088 R)
• M9: 4,615,244 km (0.073 R)
• M10: 5,460,173 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 9.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.11 AU - 1.57 AU

Year: 1034 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,159,589 km

• M1: 118,182 km (0.067 R)
• M2: 453,431 km (0.062 R)
• M3: 820,694 km (0.105 R)
• M4: 1,266,944 km (0.056 R)
• M5: 1,608,925 km (0.081 R)
• M6: 2,255,038 km (0.104 R)
• M7: 2,962,487 km (0.034 R)
• M8: 3,333,639 km (0.11 R)
• M9: 3,887,001 km (0.096 R)
• M10: 4,466,693 km (0.079 R)
• M11: 4,884,520 km (0.114 R)
• M12: 5,195,983 km (0.065 R)
• M13: 5,778,367 km (0.08 R)
• M14: 8,038,043 km (0.074 R)
• M15: 8,684,156 km (0.109 R)
• M16: 9,476,427 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 11.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.63 AU - 1.83 AU

Year: 1517 Days

Day: 10.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,159,589 km

• M1: 139,425 km (0.095 R)
• M2: 599,439 km (0.036 R)
• M3: 1,318,705 km (0.118 R)
• M4: 2,058,616 km (0.092 R)
• M5: 2,517,583 km (0.12 R)
• M6: 3,226,976 km (0.069 R)
• M7: 3,614,733 km (0.116 R)
• M8: 4,096,289 km (0.029 R)
• M9: 5,042,346 km (0.108 R)
• M10: 5,490,092 km (0.086 R)
• M11: 6,005,008 km (0.094 R)
• M12: 6,380,200 km (0.119 R)
• M13: 7,458,202 km (0.083 R)
• M14: 8,864,721 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 10.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.59 AU - 2.65 AU

Year: 2828 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,159,589 km

• M1: 137,780 km (0.063 R)
• M2: 508,334 km (0.066 R)
• M3: 1,079,648 km (0.094 R)
• M4: 1,661,434 km (0.104 R)
• M5: 2,442,484 km (0.12 R)
• M6: 3,367,298 km (0.1 R)
• M7: 4,129,500 km (0.074 R)
• M8: 6,275,780 km (0.103 R)
• M9: 6,699,441 km (0.065 R)
• M10: 7,227,223 km (0.047 R)
• M11: 7,574,739 km (0.12 R)
• M12: 8,024,879 km (0.084 R)
• M13: 9,045,136 km (0.11 R)
• M14: 11,264,570 km (0.039 R)
• M15: 11,653,824 km (0.078 R)
• M16: 12,132,836 km (0.062 R)
• M17: 14,407,322 km (0.098 R)
• M18: 15,862,012 km (0.102 R)
• M19: 16,252,911 km (0.029 R)
• M20: 16,750,474 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 14.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.43 AU - 3.85 AU

Year: 3710 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,159,589 km

• M1: 179,667 km (0.114 R)
• M2: 666,309 km (0.069 R)
• M3: 1,191,846 km (0.106 R)
• M4: 1,727,107 km (0.043 R)
• M5: 2,625,443 km (0.096 R)
• M6: 3,100,416 km (0.109 R)
• M7: 3,900,914 km (0.063 R)
• M8: 4,454,277 km (0.11 R)
• M9: 5,291,277 km (0.092 R)
• M10: 6,000,221 km (0.042 R)
• M11: 7,181,895 km (0.056 R)
• M12: 8,768,978 km (0.073 R)
• M13: 10,125,382 km (0.08 R)
• M14: 10,918,251 km (0.079 R)
• M15: 12,439,961 km (0.075 R)
• M16: 14,303,501 km (0.096 R)
• M17: 15,626,994 km (0.088 R)
• M18: 16,915,480 km (0.12 R)
• M19: 19,135,363 km (0.115 R)
• M20: 19,959,498 km (0.094 R)
• M21: 20,873,391 km (0.099 R)
• M22: 24,366,651 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 14.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.17 AU - 5.95 AU

Year: 7590 Days

Day: 5.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,159,589 km

• M1: 177,872 km (0.077 R)
• M2: 743,651 km (0.034 R)
• M3: 2,007,454 km (0.084 R)
• M4: 2,595,972 km (0.058 R)
• M5: 3,231,912 km (0.113 R)
• M6: 3,720,649 km (0.097 R)
• M7: 4,205,495 km (0.05 R)
• M8: 6,477,588 km (0.11 R)
• M9: 7,299,927 km (0.066 R)
• M10: 8,403,212 km (0.077 R)
• M11: 8,972,880 km (0.105 R)
• M12: 10,238,628 km (0.068 R)
• M13: 11,146,537 km (0.117 R)
• M14: 11,781,281 km (0.076 R)
• M15: 13,651,853 km (0.08 R)
• M16: 14,502,616 km (0.09 R)
• M17: 16,176,167 km (0.053 R)
• M18: 17,059,692 km (0.105 R)
• M19: 20,135,574 km (0.105 R)
• M20: 21,078,340 km (0.094 R)
• M21: 22,630,867 km (0.118 R)
• M22: 23,478,189 km (0.095 R)
• M23: 24,522,532 km (0.113 R)
• M24: 25,963,010 km (0.102 R)
• M25: 26,704,118 km (0.086 R)
• M26: 31,870,031 km (0.04 R)
• M27: 37,902,416 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 9.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.89 AU - 5.29 AU

Year: 7658 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,159,589 km

• M1: 120,576 km (0.08 R)
• M2: 467,194 km (0.113 R)
• M3: 872,604 km (0.059 R)
• M4: 1,240,017 km (0.103 R)
• M5: 1,589,477 km (0.083 R)
• M6: 1,898,247 km (0.099 R)
• M7: 2,813,338 km (0.064 R)
• M8: 3,292,350 km (0.057 R)
• M9: 3,800,833 km (0.088 R)
• M10: 4,717,120 km (0.074 R)
• M11: 6,620,753 km (0.095 R)
• M12: 8,772,270 km (0.102 R)
• M13: 10,266,603 km (0.052 R)
• M14: 11,558,231 km (0.054 R)
• M15: 12,082,870 km (0.051 R)
• M16: 13,521,254 km (0.118 R)
• M17: 14,163,029 km (0.117 R)
• M18: 15,633,576 km (0.095 R)
• M19: 16,801,486 km (0.111 R)
• M20: 18,947,618 km (0.105 R)
• M21: 24,029,308 km (0.083 R)
• M22: 28,792,205 km (0.076 R)
• M23: 36,109,784 km (0.12 R)
• M24: 37,230,871 km (0.085 R)
• M25: 37,914,533 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530

Radius: 5.9

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.56 AU - 9.62 AU

Year: 16789 Days

Day: 21.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,159,589 km

• M1: 75,397 km (0.105 R)
• M2: 367,712 km (0.1 R)
• M3: 555,307 km (0.112 R)
• M4: 858,692 km (0.09 R)
• M5: 1,281,904 km (0.103 R)
• M6: 1,495,530 km (0.11 R)
• M7: 1,749,697 km (0.077 R)
• M8: 2,600,759 km (0.101 R)
• M9: 4,259,201 km (0.109 R)
• M10: 5,434,591 km (0.069 R)
• M11: 5,999,174 km (0.048 R)
• M12: 6,356,114 km (0.061 R)
• M13: 7,333,138 km (0.039 R)
• M14: 8,752,971 km (0.116 R)
• M15: 10,179,238 km (0.109 R)
• M16: 11,093,879 km (0.098 R)
• M17: 12,124,608 km (0.051 R)
• M18: 12,824,577 km (0.053 R)
• M19: 13,958,828 km (0.117 R)
• M20: 14,941,985 km (0.108 R)
• M21: 16,045,568 km (0.067 R)
• M22: 16,733,419 km (0.103 R)
• M23: 18,998,630 km (0.109 R)
• M24: 20,469,327 km (0.107 R)
• M25: 22,388,668 km (0.047 R)
• M26: 23,054,378 km (0.074 R)
• M27: 26,161,376 km (0.064 R)
• M28: 28,528,314 km (0.047 R)
• M29: 30,917,392 km (0.092 R)
• M30: 33,068,460 km (0.084 R)
• M31: 34,935,740 km (0.07 R)
• M32: 35,959,738 km (0.106 R)
• M33: 42,817,603 km (0.102 R)
• M34: 44,883,101 km (0.06 R)
• M35: 50,335,794 km (0.063 R)
• M36: 57,618,517 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 11,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit