🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 9.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.16 AU - 1.36 AU

Year: 928 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,000,608 km

• M1: 120,576 km (0.114 R)
• M2: 520,451 km (0.105 R)
• M3: 934,987 km (0.101 R)
• M4: 1,237,773 km (0.09 R)
• M5: 1,554,023 km (0.07 R)
• M6: 2,527,905 km (0.076 R)
• M7: 3,099,069 km (0.071 R)
• M8: 3,840,776 km (0.104 R)
• M9: 4,200,559 km (0.102 R)
• M10: 4,782,494 km (0.104 R)
• M11: 5,184,464 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 8.6

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.4 AU - 1.82 AU

Year: 1340 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,000,608 km

• M1: 119,678 km (0.076 R)
• M2: 404,213 km (0.12 R)
• M3: 889,659 km (0.087 R)
• M4: 1,172,698 km (0.111 R)
• M5: 1,595,312 km (0.079 R)
• M6: 1,938,190 km (0.05 R)
• M7: 2,388,779 km (0.092 R)
• M8: 2,671,070 km (0.112 R)
• M9: 2,989,713 km (0.111 R)
• M10: 4,066,968 km (0.068 R)
• M11: 4,942,714 km (0.037 R)
• M12: 7,063,263 km (0.112 R)
• M13: 9,758,718 km (0.025 R)
• M14: 11,557,931 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.6

Radius: 9.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.55 AU - 2.49 AU

Year: 1883 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,000,608 km

• M1: 123,269 km (0.087 R)
• M2: 506,688 km (0.12 R)
• M3: 974,032 km (0.038 R)
• M4: 1,346,680 km (0.054 R)
• M5: 1,771,688 km (0.113 R)
• M6: 2,160,492 km (0.081 R)
• M7: 2,591,933 km (0.053 R)
• M8: 2,926,284 km (0.072 R)
• M9: 3,422,650 km (0.063 R)
• M10: 4,482,251 km (0.073 R)
• M11: 6,449,613 km (0.041 R)
• M12: 8,054,948 km (0.066 R)
• M13: 8,613,247 km (0.102 R)
• M14: 9,634,851 km (0.045 R)
• M15: 9,946,164 km (0.085 R)
• M16: 10,479,929 km (0.083 R)
• M17: 10,809,344 km (0.113 R)
• M18: 11,183,338 km (0.073 R)
• M19: 13,354,752 km (0.082 R)
• M20: 15,320,767 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 13.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.4 AU - 2.4 AU

Year: 2439 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,000,608 km

• M1: 164,109 km (0.066 R)
• M2: 576,101 km (0.089 R)
• M3: 1,019,809 km (0.04 R)
• M4: 1,460,823 km (0.086 R)
• M5: 1,906,625 km (0.089 R)
• M6: 2,883,499 km (0.098 R)
• M7: 3,598,128 km (0.073 R)
• M8: 5,810,082 km (0.046 R)
• M9: 6,364,193 km (0.119 R)
• M10: 7,965,937 km (0.101 R)
• M11: 8,910,049 km (0.085 R)
• M12: 9,341,789 km (0.115 R)
• M13: 10,355,464 km (0.075 R)
• M14: 10,833,130 km (0.096 R)
• M15: 11,325,456 km (0.108 R)
• M16: 12,934,830 km (0.106 R)
• M17: 13,403,072 km (0.056 R)
• M18: 14,554,975 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 13

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.65 AU - 2.81 AU

Year: 2959 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,000,608 km

• M1: 161,865 km (0.098 R)
• M2: 1,040,154 km (0.086 R)
• M3: 1,762,861 km (0.112 R)
• M4: 2,426,627 km (0.09 R)
• M5: 3,812,502 km (0.108 R)
• M6: 4,413,736 km (0.064 R)
• M7: 5,127,766 km (0.111 R)
• M8: 7,032,446 km (0.098 R)
• M9: 8,178,964 km (0.075 R)
• M10: 9,792,677 km (0.046 R)
• M11: 10,469,906 km (0.118 R)
• M12: 11,349,392 km (0.111 R)
• M13: 12,097,082 km (0.091 R)
• M14: 13,936,238 km (0.11 R)
• M15: 15,314,484 km (0.075 R)
• M16: 16,282,531 km (0.118 R)
• M17: 17,405,563 km (0.066 R)
• M18: 19,124,741 km (0.064 R)
• M19: 21,479,412 km (0.105 R)
• M20: 22,486,804 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 11.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.11 AU - 4.27 AU

Year: 5626 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,000,608 km

• M1: 146,756 km (0.102 R)
• M2: 533,915 km (0.115 R)
• M3: 933,192 km (0.055 R)
• M4: 2,377,858 km (0.044 R)
• M5: 2,753,199 km (0.105 R)
• M6: 4,002,042 km (0.095 R)
• M7: 5,079,596 km (0.102 R)
• M8: 5,619,195 km (0.099 R)
• M9: 6,341,304 km (0.12 R)
• M10: 6,890,478 km (0.109 R)
• M11: 8,199,459 km (0.104 R)
• M12: 10,227,558 km (0.079 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 10.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.66 AU - 5.66 AU

Year: 7689 Days

Day: 7 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,000,608 km

• M1: 141,370 km (0.092 R)
• M2: 557,252 km (0.116 R)
• M3: 1,040,154 km (0.104 R)
• M4: 1,506,451 km (0.073 R)
• M5: 2,057,270 km (0.051 R)
• M6: 3,106,400 km (0.088 R)
• M7: 3,700,752 km (0.069 R)
• M8: 5,341,691 km (0.085 R)
• M9: 6,925,484 km (0.062 R)
• M10: 7,421,550 km (0.116 R)
• M11: 7,809,009 km (0.12 R)
• M12: 8,730,532 km (0.065 R)
• M13: 12,645,508 km (0.118 R)
• M14: 13,059,445 km (0.094 R)
• M15: 14,356,010 km (0.085 R)
• M16: 14,756,184 km (0.098 R)
• M17: 15,631,182 km (0.077 R)
• M18: 18,878,503 km (0.097 R)
• M19: 21,041,838 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 14.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.3 AU - 5.32 AU

Year: 8027 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,000,608 km

• M1: 178,171 km (0.109 R)
• M2: 722,707 km (0.102 R)
• M3: 1,815,221 km (0.086 R)
• M4: 2,709,666 km (0.102 R)
• M5: 3,489,071 km (0.093 R)
• M6: 4,526,084 km (0.068 R)
• M7: 5,660,035 km (0.03 R)
• M8: 7,767,121 km (0.115 R)
• M9: 9,342,387 km (0.103 R)
• M10: 10,009,444 km (0.077 R)
• M11: 11,385,595 km (0.12 R)
• M12: 20,134,976 km (0.058 R)
• M13: 21,168,547 km (0.105 R)
• M14: 26,308,880 km (0.105 R)
• M15: 30,335,456 km (0.069 R)
• M16: 36,708,326 km (0.116 R)
• M17: 38,854,457 km (0.086 R)
• M18: 42,357,291 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.5

Radius: 3.5

Gravity: 39.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.37 AU - 6.73 AU

Year: 9762 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,000,608 km

• M1: 43,832 km (0.105 R)
• M2: 163,660 km (0.106 R)
• M3: 331,359 km (0.045 R)
• M4: 609,163 km (0.027 R)
• M5: 763,996 km (0.112 R)
• M6: 915,988 km (0.082 R)
• M7: 1,025,045 km (0.074 R)
• M8: 1,142,629 km (0.118 R)
• M9: 1,293,423 km (0.065 R)
• M10: 3,063,914 km (0.114 R)
• M11: 3,641,811 km (0.087 R)
• M12: 4,539,847 km (0.071 R)
• M13: 5,774,179 km (0.056 R)
• M14: 11,941,650 km (0.112 R)
• M15: 12,605,565 km (0.056 R)
• M16: 22,839,107 km (0.109 R)
• M17: 24,032,599 km (0.077 R)
• M18: 24,821,578 km (0.109 R)
• M19: 28,149,831 km (0.066 R)
• M20: 31,973,104 km (0.116 R)
• M21: 34,008,234 km (0.092 R)
• M22: 37,394,830 km (0.099 R)
• M23: 37,745,338 km (0.116 R)
• M24: 39,773,137 km (0.062 R)
• M25: 40,383,048 km (0.115 R)
• M26: 41,998,106 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.1

Radius: 3.1

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.27 AU - 6.95 AU

Year: 11148 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,000,608 km

• M1: 42,037 km (0.103 R)
• M2: 675,434 km (0.115 R)
• M3: 849,716 km (0.105 R)
• M4: 1,081,892 km (0.115 R)
• M5: 1,483,113 km (0.06 R)
• M6: 1,833,172 km (0.068 R)
• M7: 2,251,448 km (0.083 R)
• M8: 2,398,652 km (0.053 R)
• M9: 2,916,710 km (0.109 R)
• M10: 4,968,295 km (0.115 R)
• M11: 6,693,009 km (0.098 R)
• M12: 7,135,669 km (0.108 R)
• M13: 7,417,661 km (0.113 R)
• M14: 9,990,295 km (0.105 R)
• M15: 14,845,046 km (0.105 R)
• M16: 18,919,194 km (0.08 R)
• M17: 21,282,541 km (0.063 R)
• M18: 30,172,095 km (0.069 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: 343 - 10,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit