🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 12.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.13 AU - 1.69 AU

Year: 1136 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,708,011 km

• M1: 159,172 km (0.077 R)
• M2: 609,611 km (0.077 R)
• M3: 1,072,617 km (0.072 R)
• M4: 1,535,024 km (0.119 R)
• M5: 2,344,049 km (0.098 R)
• M6: 3,184,041 km (0.094 R)
• M7: 4,002,940 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 11.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.44 AU - 2.08 AU

Year: 1584 Days

Day: 8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,708,011 km

• M1: 138,079 km (0.076 R)
• M2: 594,801 km (0.081 R)
• M3: 1,145,620 km (0.09 R)
• M4: 1,707,061 km (0.082 R)
• M5: 2,248,905 km (0.077 R)
• M6: 2,680,345 km (0.092 R)
• M7: 3,267,965 km (0.101 R)
• M8: 3,775,850 km (0.08 R)
• M9: 4,534,611 km (0.093 R)
• M10: 6,081,453 km (0.076 R)
• M11: 8,008,124 km (0.062 R)
• M12: 8,364,915 km (0.103 R)
• M13: 9,288,981 km (0.116 R)
• M14: 9,744,805 km (0.069 R)
• M15: 11,580,670 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.6

Radius: 9.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.37 AU - 2.15 AU

Year: 1584 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,708,011 km

• M1: 120,725 km (0.109 R)
• M2: 624,422 km (0.115 R)
• M3: 1,252,583 km (0.111 R)
• M4: 1,907,822 km (0.067 R)
• M5: 2,319,515 km (0.084 R)
• M6: 2,763,222 km (0.112 R)
• M7: 3,369,842 km (0.117 R)
• M8: 3,838,681 km (0.109 R)
• M9: 5,172,346 km (0.099 R)
• M10: 6,210,705 km (0.102 R)
• M11: 7,303,518 km (0.061 R)
• M12: 7,703,991 km (0.086 R)
• M13: 8,346,514 km (0.114 R)
• M14: 9,024,342 km (0.103 R)
• M15: 10,862,301 km (0.091 R)
• M16: 11,634,226 km (0.091 R)
• M17: 12,517,602 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 13.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.24 AU - 2.92 AU

Year: 2811 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,708,011 km

• M1: 168,298 km (0.093 R)
• M2: 604,076 km (0.072 R)
• M3: 1,190,649 km (0.027 R)
• M4: 1,978,432 km (0.045 R)
• M5: 2,420,643 km (0.113 R)
• M6: 3,010,208 km (0.11 R)
• M7: 3,582,869 km (0.037 R)
• M8: 4,125,311 km (0.111 R)
• M9: 5,279,309 km (0.091 R)
• M10: 6,982,780 km (0.069 R)
• M11: 10,378,801 km (0.101 R)
• M12: 11,986,230 km (0.094 R)
• M13: 13,986,653 km (0.109 R)
• M14: 14,992,699 km (0.06 R)
• M15: 17,856,451 km (0.113 R)
• M16: 18,583,197 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 8.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.56 AU - 2.86 AU

Year: 3026 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,708,011 km

• M1: 102,175 km (0.12 R)
• M2: 363,074 km (0.092 R)
• M3: 767,437 km (0.076 R)
• M4: 1,142,479 km (0.115 R)
• M5: 1,798,316 km (0.108 R)
• M6: 2,470,160 km (0.076 R)
• M7: 2,757,986 km (0.085 R)
• M8: 3,116,872 km (0.063 R)
• M9: 3,436,712 km (0.109 R)
• M10: 4,635,888 km (0.067 R)
• M11: 5,168,008 km (0.025 R)
• M12: 6,170,314 km (0.055 R)
• M13: 6,897,808 km (0.09 R)
• M14: 7,924,349 km (0.114 R)
• M15: 10,059,410 km (0.046 R)
• M16: 15,284,265 km (0.107 R)
• M17: 16,310,207 km (0.1 R)
• M18: 17,019,151 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 12.4

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.86 AU - 4.44 AU

Year: 5734 Days

Day: 13.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,708,011 km

• M1: 154,235 km (0.026 R)
• M2: 726,298 km (0.033 R)
• M3: 1,563,447 km (0.083 R)
• M4: 1,971,700 km (0.049 R)
• M5: 2,611,081 km (0.055 R)
• M6: 3,235,652 km (0.095 R)
• M7: 3,791,408 km (0.078 R)
• M8: 4,230,329 km (0.081 R)
• M9: 6,238,680 km (0.111 R)
• M10: 6,678,647 km (0.073 R)
• M11: 8,365,064 km (0.032 R)
• M12: 8,859,336 km (0.098 R)
• M13: 10,936,951 km (0.094 R)
• M14: 11,478,495 km (0.095 R)
• M15: 13,266,190 km (0.113 R)
• M16: 13,996,526 km (0.076 R)
• M17: 15,051,939 km (0.081 R)
• M18: 16,862,822 km (0.103 R)
• M19: 20,319,280 km (0.061 R)
• M20: 24,388,193 km (0.061 R)
• M21: 25,058,990 km (0.031 R)
• M22: 25,484,446 km (0.084 R)
• M23: 30,200,070 km (0.079 R)
• M24: 30,973,641 km (0.104 R)
• M25: 31,661,492 km (0.098 R)
• M26: 32,661,554 km (0.105 R)
• M27: 33,476,862 km (0.099 R)
• M28: 33,993,124 km (0.117 R)
• M29: 34,619,790 km (0.041 R)
• M30: 35,788,598 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.6

Radius: 14.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.41 AU - 5.13 AU

Year: 5985 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,708,011 km

• M1: 284,086 km (0.058 R)
• M2: 906,264 km (0.106 R)
• M3: 3,983,193 km (0.083 R)
• M4: 4,647,707 km (0.108 R)
• M5: 5,938,886 km (0.054 R)
• M6: 9,693,643 km (0.107 R)
• M7: 11,206,676 km (0.049 R)
• M8: 13,512,428 km (0.046 R)
• M9: 14,433,951 km (0.094 R)
• M10: 17,038,300 km (0.095 R)
• M11: 23,161,341 km (0.092 R)
• M12: 24,406,743 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 9.5

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.46 AU - 5.38 AU

Year: 6303 Days

Day: 11.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,708,011 km

• M1: 119,379 km (0.088 R)
• M2: 446,699 km (0.057 R)
• M3: 833,709 km (0.114 R)
• M4: 1,184,666 km (0.077 R)
• M5: 1,608,626 km (0.114 R)
• M6: 2,197,144 km (0.089 R)
• M7: 2,596,869 km (0.101 R)
• M8: 3,065,410 km (0.062 R)
• M9: 3,364,157 km (0.08 R)
• M10: 5,252,680 km (0.096 R)
• M11: 7,528,662 km (0.049 R)
• M12: 9,788,787 km (0.065 R)
• M13: 14,562,006 km (0.076 R)
• M14: 16,295,995 km (0.109 R)
• M15: 16,881,521 km (0.096 R)
• M16: 18,651,863 km (0.079 R)
• M17: 22,718,082 km (0.084 R)
• M18: 23,285,208 km (0.062 R)
• M19: 24,195,212 km (0.085 R)
• M20: 25,647,957 km (0.11 R)
• M21: 26,887,375 km (0.104 R)
• M22: 30,159,828 km (0.102 R)
• M23: 33,376,033 km (0.108 R)
• M24: 34,745,452 km (0.036 R)
• M25: 35,066,788 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.2

Radius: 14.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.92 AU - 5.9 AU

Year: 8535 Days

Day: 13.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,708,011 km

• M1: 183,108 km (0.111 R)
• M2: 772,075 km (0.085 R)
• M3: 1,309,430 km (0.107 R)
• M4: 5,552,325 km (0.079 R)
• M5: 6,118,104 km (0.107 R)
• M6: 6,974,851 km (0.063 R)
• M7: 7,432,621 km (0.115 R)
• M8: 9,004,296 km (0.105 R)
• M9: 9,868,822 km (0.095 R)
• M10: 10,917,653 km (0.117 R)
• M11: 19,084,948 km (0.089 R)
• M12: 21,047,822 km (0.113 R)
• M13: 21,593,256 km (0.086 R)
• M14: 22,078,252 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675

Radius: 4.8

Gravity: 29.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.3 AU - 6.98 AU

Year: 10319 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,708,011 km

• M1: 60,138 km (0.098 R)
• M2: 362,775 km (0.073 R)
• M3: 536,458 km (0.088 R)
• M4: 954,883 km (0.062 R)
• M5: 1,174,044 km (0.097 R)
• M6: 1,386,323 km (0.039 R)
• M7: 1,808,040 km (0.079 R)
• M8: 2,074,773 km (0.063 R)
• M9: 2,425,281 km (0.075 R)
• M10: 2,967,723 km (0.095 R)
• M11: 3,149,933 km (0.05 R)
• M12: 4,375,588 km (0.114 R)
• M13: 5,339,597 km (0.109 R)
• M14: 6,627,485 km (0.112 R)
• M15: 8,109,551 km (0.11 R)
• M16: 9,356,599 km (0.098 R)
• M17: 9,899,340 km (0.115 R)
• M18: 11,993,860 km (0.073 R)
• M19: 13,174,636 km (0.09 R)
• M20: 13,419,677 km (0.108 R)
• M21: 16,961,556 km (0.089 R)
• M22: 19,297,527 km (0.105 R)
• M23: 20,830,456 km (0.053 R)
• M24: 26,009,235 km (0.045 R)
• M25: 30,466,205 km (0.087 R)
• M26: 31,654,909 km (0.084 R)
• M27: 32,762,083 km (0.082 R)
• M28: 47,549,833 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 11,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit