🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.5

Radius: 8.2

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.59 AU - 0.81 AU

Year: 412 Days

Day: 10.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,076,315 km

• M1: 102,624 km (0.114 R)
• M2: 487,839 km (0.12 R)
• M3: 870,061 km (0.09 R)
• M4: 1,511,686 km (0.115 R)
• M5: 1,841,999 km (0.097 R)
• M6: 2,299,918 km (0.097 R)
• M7: 3,110,888 km (0.103 R)
• M8: 5,527,791 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 10.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.73 AU - 0.77 AU

Year: 457 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,076,315 km

• M1: 135,984 km (0.115 R)
• M2: 590,164 km (0.068 R)
• M3: 1,243,308 km (0.066 R)
• M4: 1,692,850 km (0.109 R)
• M5: 2,249,802 km (0.097 R)
• M6: 2,815,582 km (0.103 R)
• M7: 3,349,347 km (0.046 R)
• M8: 4,103,470 km (0.116 R)
• M9: 5,590,173 km (0.112 R)
• M10: 5,984,812 km (0.11 R)
• M11: 6,455,747 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.5

Radius: 10.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.93 AU

Year: 484 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,076,315 km

• M1: 132,993 km (0.119 R)
• M2: 483,949 km (0.112 R)
• M3: 844,031 km (0.081 R)
• M4: 1,186,012 km (0.084 R)
• M5: 1,791,883 km (0.089 R)
• M6: 2,259,227 km (0.086 R)
• M7: 2,850,887 km (0.107 R)
• M8: 3,820,580 km (0.082 R)
• M9: 4,464,000 km (0.09 R)
• M10: 5,279,159 km (0.097 R)
• M11: 5,624,730 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.9

Radius: 11.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.79 AU - 1.11 AU

Year: 651 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,076,315 km

• M1: 140,772 km (0.096 R)
• M2: 653,593 km (0.112 R)
• M3: 1,118,693 km (0.075 R)
• M4: 1,889,421 km (0.048 R)
• M5: 2,476,892 km (0.107 R)
• M6: 3,182,844 km (0.091 R)
• M7: 3,549,658 km (0.106 R)
• M8: 4,338,039 km (0.068 R)
• M9: 4,691,240 km (0.1 R)
• M10: 5,455,984 km (0.118 R)
• M11: 6,362,547 km (0.092 R)
• M12: 7,188,776 km (0.086 R)
• M13: 7,616,476 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 14.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.83 AU - 5.09 AU

Year: 7765 Days

Day: 12.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 159.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,076,315 km

• M1: 185,651 km (0.104 R)
• M2: 890,407 km (0.098 R)
• M3: 1,355,806 km (0.077 R)
• M4: 3,045,065 km (0.117 R)
• M5: 4,196,071 km (0.114 R)
• M6: 5,470,495 km (0.113 R)
• M7: 5,958,932 km (0.073 R)
• M8: 6,849,937 km (0.056 R)
• M9: 7,827,858 km (0.106 R)
• M10: 8,370,599 km (0.082 R)
• M11: 10,287,696 km (0.061 R)
• M12: 10,797,825 km (0.053 R)
• M13: 12,586,866 km (0.067 R)
• M14: 14,222,718 km (0.07 R)
• M15: 18,721,575 km (0.109 R)
• M16: 20,996,061 km (0.113 R)
• M17: 21,592,358 km (0.117 R)
• M18: 22,663,030 km (0.062 R)
• M19: 24,498,297 km (0.044 R)
• M20: 26,173,344 km (0.108 R)
• M21: 28,192,616 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.4

Radius: 3

Gravity: 108.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.48 AU - 8.9 AU

Year: 18007 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,076,315 km

• M1: 38,895 km (0.117 R)
• M2: 208,839 km (0.096 R)
• M3: 317,895 km (0.114 R)
• M4: 667,057 km (0.118 R)
• M5: 1,425,817 km (0.089 R)
• M6: 1,627,774 km (0.1 R)
• M7: 1,867,879 km (0.103 R)
• M8: 1,966,314 km (0.049 R)
• M9: 3,405,296 km (0.066 R)
• M10: 3,734,860 km (0.09 R)
• M11: 4,217,912 km (0.102 R)
• M12: 4,353,448 km (0.12 R)
• M13: 5,385,523 km (0.051 R)
• M14: 8,072,301 km (0.082 R)
• M15: 9,496,922 km (0.07 R)
• M16: 13,116,741 km (0.099 R)
• M17: 14,374,560 km (0.104 R)
• M18: 15,710,469 km (0.108 R)
• M19: 15,872,783 km (0.099 R)
• M20: 18,445,417 km (0.118 R)
• M21: 20,986,487 km (0.092 R)
• M22: 30,617,299 km (0.115 R)
• M23: 38,253,522 km (0.114 R)
• M24: 40,039,870 km (0.119 R)
• M25: 44,261,223 km (0.11 R)
• M26: 51,938,885 km (0.059 R)
• M27: 54,869,208 km (0.095 R)
• M28: 58,295,149 km (0.101 R)
• M29: 60,856,264 km (0.08 R)
• M30: 63,697,277 km (0.108 R)
• M31: 64,732,943 km (0.026 R)
• M32: 69,423,285 km (0.083 R)
• M33: 71,851,259 km (0.087 R)
• M34: 73,199,136 km (0.092 R)
• M35: 78,049,398 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.1

Radius: 5.7

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.56 AU - 9.76 AU

Year: 19487 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,076,315 km

• M1: 72,555 km (0.047 R)
• M2: 276,756 km (0.087 R)
• M3: 508,334 km (0.117 R)
• M4: 1,389,166 km (0.111 R)
• M5: 3,688,336 km (0.073 R)
• M6: 5,278,262 km (0.119 R)
• M7: 6,202,328 km (0.118 R)
• M8: 6,503,767 km (0.08 R)
• M9: 9,058,301 km (0.117 R)
• M10: 10,678,146 km (0.11 R)
• M11: 11,947,335 km (0.057 R)
• M12: 13,815,663 km (0.076 R)
• M13: 17,432,789 km (0.079 R)
• M14: 19,457,896 km (0.029 R)
• M15: 20,291,306 km (0.06 R)
• M16: 21,536,708 km (0.062 R)
• M17: 24,818,137 km (0.057 R)
• M18: 25,141,867 km (0.042 R)
• M19: 26,577,259 km (0.102 R)
• M20: 30,219,069 km (0.112 R)
• M21: 34,446,855 km (0.109 R)
• M22: 37,333,046 km (0.086 R)
• M23: 43,737,780 km (0.061 R)
• M24: 48,615,568 km (0.068 R)
• M25: 50,664,012 km (0.083 R)
• M26: 55,850,719 km (0.074 R)
• M27: 58,096,632 km (0.106 R)
• M28: 59,049,870 km (0.093 R)
• M29: 71,098,482 km (0.106 R)
• M30: 74,403,249 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit