🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 8.2

Gravity: 14.84 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.73 AU - 0.89 AU

Year: 464 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,687,532 km

• M1: 102,175 km (0.101 R)
• M2: 395,686 km (0.1 R)
• M3: 666,907 km (0.071 R)
• M4: 940,073 km (0.095 R)
• M5: 1,521,111 km (0.106 R)
• M6: 2,265,061 km (0.116 R)
• M7: 2,617,215 km (0.051 R)
• M8: 3,159,208 km (0.102 R)
• M9: 3,760,591 km (0.109 R)
• M10: 4,110,351 km (0.119 R)
• M11: 4,605,221 km (0.1 R)
• M12: 5,642,084 km (0.114 R)
• M13: 6,272,938 km (0.094 R)
• M14: 6,725,771 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 13.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.31 AU - 1.83 AU

Year: 1251 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,687,532 km

• M1: 162,912 km (0.095 R)
• M2: 640,877 km (0.117 R)
• M3: 1,323,642 km (0.075 R)
• M4: 1,943,127 km (0.088 R)
• M5: 2,397,306 km (0.073 R)
• M6: 3,193,615 km (0.103 R)
• M7: 4,835,153 km (0.09 R)
• M8: 5,523,752 km (0.091 R)
• M9: 6,025,353 km (0.1 R)
• M10: 6,667,427 km (0.109 R)
• M11: 8,318,689 km (0.063 R)
• M12: 8,764,341 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 9.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.28 AU - 2.08 AU

Year: 1385 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,687,532 km

• M1: 114,442 km (0.059 R)
• M2: 483,949 km (0.118 R)
• M3: 771,626 km (0.092 R)
• M4: 1,286,542 km (0.055 R)
• M5: 1,729,202 km (0.082 R)
• M6: 2,372,173 km (0.097 R)
• M7: 2,755,742 km (0.093 R)
• M8: 3,208,426 km (0.087 R)
• M9: 3,497,449 km (0.12 R)
• M10: 3,819,682 km (0.088 R)
• M11: 4,246,186 km (0.08 R)
• M12: 4,704,255 km (0.058 R)
• M13: 5,412,601 km (0.075 R)
• M14: 5,824,144 km (0.087 R)
• M15: 6,921,445 km (0.1 R)
• M16: 7,431,873 km (0.096 R)
• M17: 7,863,163 km (0.097 R)
• M18: 9,114,549 km (0.089 R)
• M19: 9,817,809 km (0.116 R)
• M20: 10,747,261 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 11

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.06 AU - 3.2 AU

Year: 2712 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,687,532 km

• M1: 136,732 km (0.046 R)
• M2: 561,740 km (0.042 R)
• M3: 1,138,739 km (0.028 R)
• M4: 1,581,549 km (0.102 R)
• M5: 1,927,419 km (0.038 R)
• M6: 2,283,761 km (0.104 R)
• M7: 2,918,355 km (0.073 R)
• M8: 3,629,394 km (0.107 R)
• M9: 4,016,404 km (0.104 R)
• M10: 5,036,212 km (0.072 R)
• M11: 5,823,995 km (0.079 R)
• M12: 6,384,388 km (0.081 R)
• M13: 6,777,681 km (0.104 R)
• M14: 7,246,970 km (0.034 R)
• M15: 7,991,518 km (0.104 R)
• M16: 8,889,255 km (0.078 R)
• M17: 9,273,871 km (0.056 R)
• M18: 10,649,723 km (0.119 R)
• M19: 11,694,814 km (0.075 R)
• M20: 14,896,956 km (0.074 R)
• M21: 19,682,293 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 11.2

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.82 AU - 3.88 AU

Year: 3899 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,687,532 km

• M1: 139,724 km (0.067 R)
• M2: 489,185 km (0.113 R)
• M3: 849,267 km (0.102 R)
• M4: 1,574,518 km (0.069 R)
• M5: 2,217,639 km (0.056 R)
• M6: 2,937,953 km (0.112 R)
• M7: 3,829,406 km (0.114 R)
• M8: 4,256,658 km (0.096 R)
• M9: 4,944,210 km (0.084 R)
• M10: 5,396,893 km (0.105 R)
• M11: 6,233,145 km (0.115 R)
• M12: 7,457,304 km (0.107 R)
• M13: 8,272,313 km (0.087 R)
• M14: 8,682,511 km (0.105 R)
• M15: 9,185,010 km (0.082 R)
• M16: 9,706,807 km (0.097 R)
• M17: 10,634,763 km (0.077 R)
• M18: 12,279,442 km (0.089 R)
• M19: 13,212,933 km (0.11 R)
• M20: 16,297,940 km (0.111 R)
• M21: 19,439,196 km (0.112 R)
• M22: 21,117,535 km (0.099 R)
• M23: 22,817,714 km (0.12 R)
• M24: 25,069,013 km (0.119 R)
• M25: 26,569,031 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.13 AU - 3.77 AU

Year: 4074 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,687,532 km

• M1: 174,132 km (0.109 R)
• M2: 714,031 km (0.068 R)
• M3: 1,242,859 km (0.053 R)
• M4: 1,746,854 km (0.087 R)
• M5: 2,621,553 km (0.06 R)
• M6: 4,704,105 km (0.093 R)
• M7: 5,305,937 km (0.102 R)
• M8: 7,782,530 km (0.092 R)
• M9: 10,573,578 km (0.094 R)
• M10: 11,103,004 km (0.042 R)
• M11: 12,545,876 km (0.118 R)
• M12: 14,020,312 km (0.106 R)
• M13: 14,940,040 km (0.103 R)
• M14: 15,899,561 km (0.114 R)
• M15: 16,950,935 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 8

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.91 AU - 6.33 AU

Year: 7366 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,687,532 km

• M1: 99,632 km (0.092 R)
• M2: 357,539 km (0.092 R)
• M3: 613,202 km (0.03 R)
• M4: 970,591 km (0.092 R)
• M5: 1,367,624 km (0.041 R)
• M6: 1,726,808 km (0.084 R)
• M7: 2,263,865 km (0.119 R)
• M8: 2,693,210 km (0.117 R)
• M9: 2,968,022 km (0.073 R)
• M10: 4,235,415 km (0.074 R)
• M11: 5,032,921 km (0.103 R)
• M12: 8,147,100 km (0.046 R)
• M13: 9,025,090 km (0.057 R)
• M14: 9,287,036 km (0.089 R)
• M15: 10,820,564 km (0.057 R)
• M16: 12,354,839 km (0.118 R)
• M17: 13,912,901 km (0.078 R)
• M18: 17,213,030 km (0.088 R)
• M19: 17,820,996 km (0.097 R)
• M20: 18,164,921 km (0.045 R)
• M21: 18,795,028 km (0.103 R)
• M22: 19,295,133 km (0.111 R)
• M23: 19,657,759 km (0.102 R)
• M24: 24,795,249 km (0.094 R)
• M25: 25,223,996 km (0.096 R)
• M26: 27,169,367 km (0.108 R)
• M27: 32,059,871 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.5

Radius: 5.4

Gravity: 18.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.74 AU - 9.98 AU

Year: 19686 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,687,532 km

• M1: 70,610 km (0.087 R)
• M2: 277,803 km (0.095 R)
• M3: 450,140 km (0.051 R)
• M4: 896,690 km (0.117 R)
• M5: 1,457,083 km (0.076 R)
• M6: 2,438,296 km (0.076 R)
• M7: 3,481,442 km (0.106 R)
• M8: 3,651,684 km (0.052 R)
• M9: 5,482,612 km (0.108 R)
• M10: 6,113,018 km (0.101 R)
• M11: 6,319,612 km (0.064 R)
• M12: 7,996,156 km (0.079 R)
• M13: 8,193,475 km (0.094 R)
• M14: 11,748,220 km (0.036 R)
• M15: 17,256,563 km (0.089 R)
• M16: 23,759,283 km (0.098 R)
• M17: 29,912,393 km (0.08 R)
• M18: 38,151,795 km (0.044 R)
• M19: 48,597,616 km (0.092 R)
• M20: 67,495,717 km (0.071 R)
• M21: 68,314,616 km (0.111 R)

Asteroid Belt

Center: 10.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.3

Radius: 4.5

Gravity: 35.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.27 AU - 12.79 AU

Year: 21726 Days

Day: 22 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,687,532 km

• M1: 106,065 km (0.119 R)
• M2: 377,884 km (0.108 R)
• M3: 548,127 km (0.086 R)
• M4: 833,709 km (0.084 R)
• M5: 998,267 km (0.114 R)
• M6: 1,680,582 km (0.062 R)
• M7: 5,478,723 km (0.108 R)
• M8: 5,764,754 km (0.12 R)
• M9: 7,694,716 km (0.097 R)
• M10: 7,847,156 km (0.099 R)
• M11: 9,027,484 km (0.101 R)
• M12: 11,012,348 km (0.111 R)
• M13: 13,563,441 km (0.033 R)
• M14: 15,014,989 km (0.085 R)
• M15: 16,398,769 km (0.095 R)
• M16: 16,906,803 km (0.11 R)
• M17: 24,388,492 km (0.114 R)
• M18: 29,769,378 km (0.057 R)
• M19: 33,269,370 km (0.054 R)
• M20: 33,810,166 km (0.069 R)
• M21: 34,494,277 km (0.098 R)
• M22: 38,054,258 km (0.072 R)
• M23: 64,245,404 km (0.078 R)
• M24: 70,044,865 km (0.09 R)
• M25: 77,831,583 km (0.115 R)
• M26: 81,442,876 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 12,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit