🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 9.3

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.56 AU - 0.58 AU

Year: 297 Days

Day: 13.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,267,075 km

• M1: 115,639 km (0.116 R)
• M2: 419,772 km (0.086 R)
• M3: 750,533 km (0.107 R)
• M4: 1,184,516 km (0.05 R)
• M5: 2,220,182 km (0.069 R)
• M6: 3,349,496 km (0.031 R)
• M7: 3,723,042 km (0.119 R)
• M8: 4,098,533 km (0.074 R)
• M9: 4,471,780 km (0.073 R)
• M10: 4,795,210 km (0.117 R)
• M11: 5,134,199 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 10.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.7 AU - 0.74 AU

Year: 422 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,267,075 km

• M1: 135,536 km (0.067 R)
• M2: 480,808 km (0.115 R)
• M3: 867,518 km (0.114 R)
• M4: 1,308,832 km (0.05 R)
• M5: 1,697,936 km (0.111 R)
• M6: 2,125,187 km (0.111 R)
• M7: 2,560,966 km (0.089 R)
• M8: 3,457,656 km (0.098 R)
• M9: 3,894,481 km (0.087 R)
• M10: 4,393,989 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 9.5

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.91 AU - 0.99 AU

Year: 639 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,267,075 km

• M1: 118,182 km (0.071 R)
• M2: 430,842 km (0.066 R)
• M3: 738,415 km (0.067 R)
• M4: 1,133,802 km (0.047 R)
• M5: 1,537,866 km (0.109 R)
• M6: 1,955,543 km (0.119 R)
• M7: 2,458,641 km (0.101 R)
• M8: 2,949,920 km (0.097 R)
• M9: 3,518,991 km (0.055 R)
• M10: 4,144,609 km (0.117 R)
• M11: 4,693,633 km (0.103 R)
• M12: 5,994,835 km (0.068 R)
• M13: 6,614,769 km (0.078 R)
• M14: 7,635,326 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 11.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.6 AU - 1.66 AU

Year: 1436 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,267,075 km

• M1: 141,520 km (0.078 R)
• M2: 695,780 km (0.102 R)
• M3: 1,476,681 km (0.103 R)
• M4: 2,182,483 km (0.037 R)
• M5: 2,760,530 km (0.045 R)
• M6: 3,160,704 km (0.061 R)
• M7: 4,224,195 km (0.109 R)
• M8: 5,063,290 km (0.05 R)
• M9: 5,424,419 km (0.072 R)
• M10: 6,415,505 km (0.106 R)
• M11: 7,687,835 km (0.096 R)
• M12: 8,080,679 km (0.062 R)
• M13: 8,694,927 km (0.119 R)
• M14: 9,755,277 km (0.09 R)
• M15: 10,760,575 km (0.11 R)
• M16: 12,587,913 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 11.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.62 AU - 2.46 AU

Year: 2011 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,267,075 km

• M1: 146,756 km (0.059 R)
• M2: 930,798 km (0.108 R)
• M3: 1,433,148 km (0.094 R)
• M4: 1,892,563 km (0.078 R)
• M5: 2,910,726 km (0.083 R)
• M6: 4,224,345 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 9.3

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.84 AU - 5.28 AU

Year: 7857 Days

Day: 11.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,267,075 km

• M1: 190,438 km (0.071 R)
• M2: 879,635 km (0.103 R)
• M3: 1,438,234 km (0.055 R)
• M4: 1,886,429 km (0.111 R)
• M5: 2,337,916 km (0.095 R)
• M6: 3,236,101 km (0.085 R)
• M7: 4,818,398 km (0.106 R)
• M8: 5,794,973 km (0.107 R)
• M9: 8,763,892 km (0.104 R)
• M10: 9,789,834 km (0.119 R)
• M11: 12,025,874 km (0.032 R)
• M12: 12,785,980 km (0.086 R)
• M13: 13,520,057 km (0.056 R)
• M14: 14,162,879 km (0.101 R)
• M15: 15,134,069 km (0.073 R)
• M16: 15,955,361 km (0.029 R)
• M17: 17,006,585 km (0.11 R)
• M18: 23,964,382 km (0.079 R)
• M19: 25,871,306 km (0.053 R)
• M20: 31,888,881 km (0.105 R)
• M21: 38,082,382 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 9.8

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.86 AU - 5.74 AU

Year: 8422 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,267,075 km

• M1: 124,166 km (0.102 R)
• M2: 584,628 km (0.045 R)
• M3: 1,056,011 km (0.071 R)
• M4: 1,584,391 km (0.071 R)
• M5: 2,023,610 km (0.12 R)
• M6: 2,409,872 km (0.12 R)
• M7: 2,887,389 km (0.086 R)
• M8: 3,927,094 km (0.12 R)
• M9: 4,361,676 km (0.087 R)
• M10: 5,231,138 km (0.069 R)
• M11: 7,351,389 km (0.08 R)
• M12: 9,033,617 km (0.072 R)
• M13: 9,455,633 km (0.091 R)
• M14: 11,170,174 km (0.08 R)
• M15: 12,384,460 km (0.053 R)
• M16: 13,142,173 km (0.101 R)
• M17: 13,623,579 km (0.11 R)
• M18: 16,209,528 km (0.11 R)
• M19: 18,426,419 km (0.111 R)
• M20: 19,959,498 km (0.064 R)
• M21: 21,000,549 km (0.057 R)
• M22: 25,159,370 km (0.045 R)
• M23: 26,278,960 km (0.086 R)
• M24: 29,019,893 km (0.069 R)
• M25: 32,816,687 km (0.081 R)
• M26: 33,369,002 km (0.102 R)
• M27: 38,867,322 km (0.078 R)
• M28: 40,868,792 km (0.091 R)
• M29: 42,024,435 km (0.069 R)
• M30: 45,621,815 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.9

Radius: 5.2

Gravity: 24.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.96 AU - 8.2 AU

Year: 15854 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,267,075 km

• M1: 65,524 km (0.117 R)
• M2: 322,683 km (0.084 R)
• M3: 512,074 km (0.104 R)
• M4: 887,265 km (0.073 R)
• M5: 1,646,773 km (0.051 R)
• M6: 2,129,226 km (0.078 R)
• M7: 2,371,874 km (0.083 R)
• M8: 5,876,204 km (0.103 R)
• M9: 6,773,044 km (0.042 R)
• M10: 7,076,578 km (0.055 R)
• M11: 7,389,088 km (0.05 R)
• M12: 7,994,061 km (0.12 R)
• M13: 9,840,997 km (0.115 R)
• M14: 12,080,028 km (0.112 R)
• M15: 12,591,354 km (0.111 R)
• M16: 12,786,728 km (0.1 R)
• M17: 13,050,320 km (0.068 R)
• M18: 16,041,978 km (0.059 R)
• M19: 16,816,147 km (0.069 R)
• M20: 20,163,100 km (0.094 R)
• M21: 20,881,768 km (0.115 R)
• M22: 21,155,682 km (0.058 R)
• M23: 22,657,196 km (0.089 R)
• M24: 29,147,350 km (0.073 R)
• M25: 43,222,864 km (0.082 R)
• M26: 44,265,860 km (0.117 R)
• M27: 45,173,022 km (0.079 R)
• M28: 47,495,080 km (0.107 R)
• M29: 48,445,774 km (0.05 R)
• M30: 50,548,971 km (0.075 R)
• M31: 53,902,357 km (0.078 R)
• M32: 60,676,597 km (0.048 R)
• M33: 60,862,248 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 19,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit