🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 11.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.59 AU - 0.73 AU

Year: 370 Days

Day: 10.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,334,151 km

• M1: 138,528 km (0.097 R)
• M2: 501,751 km (0.081 R)
• M3: 938,727 km (0.069 R)
• M4: 1,460,225 km (0.104 R)
• M5: 2,007,005 km (0.082 R)
• M6: 3,265,273 km (0.078 R)
• M7: 3,971,075 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 13.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.84 AU

Year: 431 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,334,151 km

• M1: 170,392 km (0.059 R)
• M2: 661,971 km (0.099 R)
• M3: 1,197,531 km (0.06 R)
• M4: 2,214,048 km (0.074 R)
• M5: 3,118,218 km (0.067 R)
• M6: 3,580,924 km (0.115 R)
• M7: 4,076,093 km (0.113 R)
• M8: 4,528,477 km (0.068 R)
• M9: 5,385,374 km (0.088 R)
• M10: 6,038,817 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 13.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.69 AU - 1.03 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,334,151 km

• M1: 171,589 km (0.11 R)
• M2: 749,934 km (0.089 R)
• M3: 1,282,054 km (0.083 R)
• M4: 1,777,821 km (0.035 R)
• M5: 2,392,668 km (0.118 R)
• M6: 3,385,101 km (0.081 R)
• M7: 4,173,781 km (0.081 R)
• M8: 5,394,798 km (0.058 R)
• M9: 6,060,060 km (0.1 R)
• M10: 6,553,883 km (0.119 R)
• M11: 7,422,149 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.8

Radius: 14.6

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.13 AU - 1.21 AU

Year: 874 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,334,151 km

• M1: 181,612 km (0.079 R)
• M2: 724,652 km (0.076 R)
• M3: 1,192,744 km (0.051 R)
• M4: 2,134,313 km (0.106 R)
• M5: 2,951,117 km (0.098 R)
• M6: 4,313,505 km (0.113 R)
• M7: 6,331,281 km (0.114 R)
• M8: 7,396,119 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 11.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.6 AU - 2.34 AU

Year: 1909 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,334,151 km

• M1: 146,756 km (0.073 R)
• M2: 1,554,471 km (0.103 R)
• M3: 1,932,057 km (0.043 R)
• M4: 3,008,563 km (0.085 R)
• M5: 3,756,702 km (0.112 R)
• M6: 4,184,402 km (0.027 R)
• M7: 4,664,611 km (0.104 R)
• M8: 6,554,332 km (0.079 R)
• M9: 8,939,670 km (0.036 R)
• M10: 10,106,234 km (0.096 R)
• M11: 12,700,710 km (0.112 R)
• M12: 13,260,505 km (0.056 R)
• M13: 13,711,692 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 11.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.39 AU - 3.63 AU

Year: 3605 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,334,151 km

• M1: 143,315 km (0.054 R)
• M2: 834,307 km (0.046 R)
• M3: 1,244,056 km (0.104 R)
• M4: 1,802,505 km (0.097 R)
• M5: 3,032,199 km (0.059 R)
• M6: 3,669,935 km (0.104 R)
• M7: 4,143,412 km (0.114 R)
• M8: 4,930,297 km (0.049 R)
• M9: 6,014,582 km (0.117 R)
• M10: 7,088,097 km (0.08 R)
• M11: 7,484,232 km (0.101 R)
• M12: 8,799,945 km (0.048 R)
• M13: 10,988,861 km (0.115 R)
• M14: 12,635,934 km (0.076 R)
• M15: 15,406,935 km (0.117 R)
• M16: 17,227,691 km (0.09 R)
• M17: 17,764,598 km (0.09 R)
• M18: 19,061,013 km (0.105 R)
• M19: 19,571,141 km (0.109 R)
• M20: 22,541,407 km (0.118 R)
• M21: 23,619,260 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 12

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.06 AU - 3.6 AU

Year: 4194 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,334,151 km

• M1: 149,897 km (0.078 R)
• M2: 634,594 km (0.111 R)
• M3: 1,299,706 km (0.093 R)
• M4: 1,717,683 km (0.118 R)
• M5: 2,093,622 km (0.032 R)
• M6: 2,591,933 km (0.113 R)
• M7: 3,054,340 km (0.072 R)
• M8: 4,966,201 km (0.047 R)
• M9: 5,372,658 km (0.114 R)
• M10: 6,760,328 km (0.076 R)
• M11: 8,076,789 km (0.049 R)
• M12: 8,679,519 km (0.115 R)
• M13: 10,146,027 km (0.106 R)
• M14: 11,962,145 km (0.077 R)
• M15: 13,150,850 km (0.045 R)
• M16: 15,475,301 km (0.062 R)
• M17: 18,508,099 km (0.07 R)
• M18: 19,291,094 km (0.091 R)
• M19: 19,892,777 km (0.074 R)
• M20: 20,300,730 km (0.117 R)
• M21: 21,274,612 km (0.029 R)
• M22: 24,383,107 km (0.073 R)
• M23: 25,403,663 km (0.114 R)
• M24: 26,126,670 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 10

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.51 AU - 4.61 AU

Year: 6721 Days

Day: 10.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,334,151 km

• M1: 124,465 km (0.048 R)
• M2: 454,030 km (0.075 R)
• M3: 953,686 km (0.092 R)
• M4: 1,270,684 km (0.083 R)
• M5: 1,605,335 km (0.072 R)
• M6: 1,968,110 km (0.048 R)
• M7: 3,048,505 km (0.106 R)
• M8: 5,463,314 km (0.098 R)
• M9: 6,505,862 km (0.078 R)
• M10: 9,114,998 km (0.085 R)
• M11: 10,626,236 km (0.12 R)
• M12: 14,503,065 km (0.113 R)
• M13: 16,221,645 km (0.039 R)
• M14: 23,348,488 km (0.076 R)
• M15: 27,167,721 km (0.052 R)
• M16: 33,701,259 km (0.093 R)
• M17: 34,025,886 km (0.1 R)
• M18: 35,233,889 km (0.102 R)
• M19: 37,619,227 km (0.081 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: 557 - 18,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit