🌌 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: 839.3

Radius: 9.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.55 AU - 0.59 AU

Year: 302 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,345,761 km

• M1: 119,379 km (0.071 R)
• M2: 482,004 km (0.11 R)
• M3: 838,795 km (0.09 R)
• M4: 1,174,493 km (0.107 R)
• M5: 1,548,637 km (0.113 R)
• M6: 2,390,424 km (0.102 R)
• M7: 2,808,999 km (0.091 R)
• M8: 3,135,871 km (0.086 R)
• M9: 3,990,972 km (0.069 R)
• M10: 4,707,695 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 8.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.75 AU - 1.15 AU

Year: 651 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,345,761 km

• M1: 106,962 km (0.079 R)
• M2: 375,491 km (0.038 R)
• M3: 723,605 km (0.107 R)
• M4: 1,228,199 km (0.028 R)
• M5: 1,823,897 km (0.099 R)
• M6: 2,121,896 km (0.116 R)
• M7: 2,550,344 km (0.092 R)
• M8: 3,300,727 km (0.103 R)
• M9: 3,618,922 km (0.04 R)
• M10: 4,432,884 km (0.081 R)
• M11: 5,805,145 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 12.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.07 AU - 1.15 AU

Year: 822 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,345,761 km

• M1: 165,306 km (0.078 R)
• M2: 1,244,355 km (0.104 R)
• M3: 2,642,048 km (0.095 R)
• M4: 3,056,733 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.6

Radius: 14

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.44 AU - 1.48 AU

Year: 1240 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,345,761 km

• M1: 174,282 km (0.044 R)
• M2: 701,315 km (0.089 R)
• M3: 1,507,947 km (0.067 R)
• M4: 1,977,235 km (0.095 R)
• M5: 2,709,666 km (0.1 R)
• M6: 3,317,482 km (0.118 R)
• M7: 4,159,718 km (0.083 R)
• M8: 4,684,807 km (0.102 R)
• M9: 5,369,666 km (0.094 R)
• M10: 6,644,240 km (0.111 R)
• M11: 7,221,538 km (0.072 R)
• M12: 7,832,346 km (0.069 R)
• M13: 8,319,287 km (0.112 R)
• M14: 9,640,835 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 14.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.47 AU - 4.05 AU

Year: 4137 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,345,761 km

• M1: 176,226 km (0.095 R)
• M2: 690,843 km (0.104 R)
• M3: 1,362,986 km (0.089 R)
• M4: 1,832,724 km (0.098 R)
• M5: 2,273,439 km (0.086 R)
• M6: 2,849,540 km (0.116 R)
• M7: 3,340,221 km (0.117 R)
• M8: 4,110,650 km (0.1 R)
• M9: 4,902,921 km (0.105 R)
• M10: 5,360,840 km (0.112 R)
• M11: 6,170,015 km (0.063 R)
• M12: 6,910,225 km (0.097 R)
• M13: 8,032,358 km (0.115 R)
• M14: 11,787,714 km (0.101 R)
• M15: 14,239,473 km (0.116 R)
• M16: 14,728,359 km (0.112 R)
• M17: 16,209,827 km (0.057 R)
• M18: 16,743,143 km (0.108 R)
• M19: 18,356,108 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.9

Radius: 5.3

Gravity: 35.45 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.95 AU - 8.37 AU

Year: 13467 Days

Day: 18.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,345,761 km

• M1: 65,973 km (0.08 R)
• M2: 484,847 km (0.082 R)
• M3: 751,281 km (0.118 R)
• M4: 935,435 km (0.052 R)
• M5: 1,597,406 km (0.096 R)
• M6: 1,799,064 km (0.102 R)
• M7: 2,421,840 km (0.096 R)
• M8: 3,990,074 km (0.096 R)
• M9: 4,236,612 km (0.087 R)
• M10: 5,180,275 km (0.103 R)
• M11: 6,380,050 km (0.108 R)
• M12: 6,760,477 km (0.083 R)
• M13: 7,245,773 km (0.109 R)
• M14: 7,566,511 km (0.055 R)
• M15: 9,314,263 km (0.113 R)
• M16: 9,914,898 km (0.072 R)
• M17: 10,196,292 km (0.086 R)
• M18: 10,952,808 km (0.101 R)
• M19: 12,188,786 km (0.116 R)
• M20: 14,426,919 km (0.064 R)
• M21: 14,934,505 km (0.07 R)
• M22: 16,139,516 km (0.089 R)
• M23: 20,867,108 km (0.088 R)
• M24: 28,311,247 km (0.116 R)
• M25: 29,221,102 km (0.044 R)
• M26: 29,451,482 km (0.098 R)
• M27: 37,892,393 km (0.077 R)
• M28: 39,416,346 km (0.105 R)
• M29: 44,841,812 km (0.092 R)
• M30: 45,921,310 km (0.118 R)
• M31: 46,232,923 km (0.06 R)
• M32: 51,412,001 km (0.118 R)
• M33: 53,967,581 km (0.106 R)
• M34: 57,144,292 km (0.063 R)
• M35: 59,699,723 km (0.072 R)
• M36: 59,885,075 km (0.032 R)
• M37: 64,450,503 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.4

Radius: 6

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.17 AU - 9.85 AU

Year: 17450 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,345,761 km

• M1: 74,649 km (0.09 R)
• M2: 309,518 km (0.114 R)
• M3: 518,057 km (0.113 R)
• M4: 777,311 km (0.076 R)
• M5: 1,563,747 km (0.1 R)
• M6: 2,115,314 km (0.101 R)
• M7: 2,788,504 km (0.098 R)
• M8: 4,273,413 km (0.1 R)
• M9: 4,674,634 km (0.109 R)
• M10: 5,768,943 km (0.086 R)
• M11: 5,991,694 km (0.093 R)
• M12: 6,776,185 km (0.09 R)
• M13: 9,851,169 km (0.079 R)
• M14: 11,053,787 km (0.112 R)
• M15: 14,011,486 km (0.11 R)
• M16: 15,034,137 km (0.107 R)
• M17: 15,959,998 km (0.088 R)
• M18: 17,690,098 km (0.034 R)
• M19: 20,299,833 km (0.037 R)
• M20: 20,643,160 km (0.109 R)
• M21: 22,509,244 km (0.083 R)
• M22: 22,877,105 km (0.103 R)
• M23: 24,388,342 km (0.118 R)
• M24: 27,503,569 km (0.076 R)
• M25: 29,429,043 km (0.071 R)
• M26: 40,281,321 km (0.069 R)
• M27: 42,899,733 km (0.099 R)
• M28: 43,181,725 km (0.09 R)
• M29: 49,704,341 km (0.082 R)
• M30: 51,114,750 km (0.092 R)
• M31: 51,750,092 km (0.112 R)
• M32: 54,344,269 km (0.08 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 17,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit