🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 14.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.42 AU - 0.6 AU

Year: 243 Days

Day: 14.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,082,701 km

• M1: 179,069 km (0.112 R)
• M2: 631,752 km (0.093 R)
• M3: 1,104,780 km (0.055 R)
• M4: 1,571,226 km (0.112 R)
• M5: 2,146,430 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 9.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.67 AU - 1.09 AU

Year: 550 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,082,701 km

• M1: 113,246 km (0.081 R)
• M2: 400,623 km (0.111 R)
• M3: 829,371 km (0.117 R)
• M4: 1,118,992 km (0.101 R)
• M5: 1,604,138 km (0.041 R)
• M6: 1,896,452 km (0.091 R)
• M7: 2,307,846 km (0.058 R)
• M8: 2,788,804 km (0.098 R)
• M9: 3,299,231 km (0.112 R)
• M10: 3,924,551 km (0.055 R)
• M11: 5,161,575 km (0.103 R)
• M12: 5,667,216 km (0.098 R)
• M13: 6,022,361 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 9.9

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.55 AU - 1.65 AU

Year: 1350 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,082,701 km

• M1: 123,119 km (0.056 R)
• M2: 585,526 km (0.037 R)
• M3: 935,884 km (0.11 R)
• M4: 1,655,151 km (0.103 R)
• M5: 2,135,809 km (0.116 R)
• M6: 2,627,836 km (0.032 R)
• M7: 3,089,346 km (0.085 R)
• M8: 7,564,865 km (0.028 R)
• M9: 8,010,218 km (0.105 R)
• M10: 9,611,364 km (0.045 R)
• M11: 9,968,903 km (0.101 R)
• M12: 12,455,369 km (0.079 R)
• M13: 12,919,721 km (0.105 R)
• M14: 13,556,858 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 8.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.28 AU - 2.76 AU

Year: 2668 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,082,701 km

• M1: 108,458 km (0.101 R)
• M2: 867,967 km (0.096 R)
• M3: 1,143,676 km (0.093 R)
• M4: 1,851,124 km (0.113 R)
• M5: 2,455,948 km (0.117 R)
• M6: 3,242,983 km (0.097 R)
• M7: 3,656,621 km (0.062 R)
• M8: 8,257,503 km (0.116 R)
• M9: 9,700,824 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 10

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.47 AU - 3.55 AU

Year: 3482 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,082,701 km

• M1: 126,859 km (0.07 R)
• M2: 479,012 km (0.104 R)
• M3: 921,074 km (0.115 R)
• M4: 1,367,175 km (0.077 R)
• M5: 1,888,972 km (0.078 R)
• M6: 2,322,507 km (0.112 R)
• M7: 3,883,860 km (0.049 R)
• M8: 5,012,277 km (0.071 R)
• M9: 6,745,368 km (0.083 R)
• M10: 7,696,212 km (0.11 R)
• M11: 8,221,899 km (0.12 R)
• M12: 11,261,578 km (0.073 R)
• M13: 11,847,553 km (0.073 R)
• M14: 17,950,847 km (0.056 R)
• M15: 19,001,622 km (0.09 R)
• M16: 24,953,972 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 10.8

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.39 AU - 3.83 AU

Year: 3657 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,082,701 km

• M1: 134,488 km (0.083 R)
• M2: 510,129 km (0.119 R)
• M3: 1,134,550 km (0.09 R)
• M4: 1,572,722 km (0.118 R)
• M5: 2,328,790 km (0.112 R)
• M6: 4,625,117 km (0.107 R)
• M7: 5,372,209 km (0.095 R)
• M8: 7,105,899 km (0.12 R)
• M9: 8,172,382 km (0.106 R)
• M10: 9,068,773 km (0.116 R)
• M11: 12,923,012 km (0.048 R)
• M12: 17,690,547 km (0.053 R)
• M13: 24,635,478 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 8.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.22 AU - 4.22 AU

Year: 5781 Days

Day: 11.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,082,701 km

• M1: 109,506 km (0.03 R)
• M2: 395,537 km (0.068 R)
• M3: 759,060 km (0.086 R)
• M4: 1,045,689 km (0.031 R)
• M5: 1,679,984 km (0.093 R)
• M6: 2,582,358 km (0.098 R)
• M7: 3,343,961 km (0.09 R)
• M8: 4,708,892 km (0.11 R)
• M9: 5,026,339 km (0.076 R)
• M10: 6,065,296 km (0.113 R)
• M11: 6,530,695 km (0.088 R)
• M12: 6,957,348 km (0.066 R)
• M13: 7,241,285 km (0.104 R)
• M14: 7,900,264 km (0.101 R)
• M15: 8,925,907 km (0.11 R)
• M16: 10,401,241 km (0.088 R)
• M17: 11,111,232 km (0.116 R)
• M18: 11,456,355 km (0.114 R)
• M19: 11,942,548 km (0.095 R)
• M20: 13,877,147 km (0.1 R)
• M21: 14,531,788 km (0.076 R)
• M22: 16,675,824 km (0.065 R)
• M23: 17,881,882 km (0.051 R)
• M24: 20,338,429 km (0.11 R)
• M25: 21,248,882 km (0.114 R)
• M26: 22,942,030 km (0.094 R)
• M27: 23,291,192 km (0.058 R)
• M28: 23,928,479 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 9.5

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.05 AU - 4.99 AU

Year: 6408 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,082,701 km

• M1: 119,080 km (0.116 R)
• M2: 458,368 km (0.087 R)
• M3: 875,148 km (0.083 R)
• M4: 1,456,784 km (0.12 R)
• M5: 2,230,504 km (0.083 R)
• M6: 2,916,111 km (0.09 R)
• M7: 3,382,707 km (0.097 R)
• M8: 3,782,133 km (0.03 R)
• M9: 4,237,509 km (0.081 R)
• M10: 4,892,449 km (0.094 R)
• M11: 6,370,027 km (0.118 R)
• M12: 6,704,977 km (0.117 R)
• M13: 7,193,563 km (0.114 R)
• M14: 7,519,986 km (0.083 R)
• M15: 8,009,171 km (0.111 R)
• M16: 9,779,662 km (0.074 R)
• M17: 10,968,965 km (0.055 R)
• M18: 14,531,937 km (0.12 R)
• M19: 15,832,541 km (0.048 R)
• M20: 19,701,591 km (0.115 R)
• M21: 20,055,988 km (0.065 R)
• M22: 28,698,257 km (0.117 R)
• M23: 31,601,054 km (0.092 R)
• M24: 33,073,546 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 11.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.13 AU - 5.19 AU

Year: 7816 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,082,701 km

• M1: 146,307 km (0.12 R)
• M2: 1,144,424 km (0.102 R)
• M3: 1,883,138 km (0.076 R)
• M4: 2,242,173 km (0.082 R)
• M5: 3,000,185 km (0.113 R)
• M6: 3,782,133 km (0.052 R)
• M7: 4,211,030 km (0.053 R)
• M8: 5,881,739 km (0.099 R)
• M9: 6,836,473 km (0.042 R)
• M10: 7,697,708 km (0.097 R)
• M11: 9,598,798 km (0.107 R)
• M12: 13,968,252 km (0.103 R)
• M13: 14,699,188 km (0.12 R)
• M14: 15,455,405 km (0.101 R)
• M15: 19,571,291 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.7

Radius: 5.6

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.98 AU - 9.82 AU

Year: 19219 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,082,701 km

• M1: 70,012 km (0.098 R)
• M2: 327,769 km (0.102 R)
• M3: 1,069,176 km (0.039 R)
• M4: 1,456,634 km (0.095 R)
• M5: 2,261,321 km (0.057 R)
• M6: 3,135,871 km (0.104 R)
• M7: 3,989,326 km (0.111 R)
• M8: 4,316,647 km (0.055 R)
• M9: 5,100,091 km (0.105 R)
• M10: 8,377,780 km (0.097 R)
• M11: 10,975,697 km (0.078 R)
• M12: 11,294,041 km (0.104 R)
• M13: 13,623,728 km (0.119 R)
• M14: 15,369,835 km (0.079 R)
• M15: 18,842,899 km (0.119 R)
• M16: 20,234,010 km (0.084 R)
• M17: 22,294,870 km (0.082 R)
• M18: 23,849,641 km (0.096 R)
• M19: 24,062,369 km (0.112 R)
• M20: 24,707,884 km (0.101 R)
• M21: 27,522,119 km (0.082 R)
• M22: 33,643,963 km (0.043 R)
• M23: 35,963,478 km (0.094 R)
• M24: 36,243,076 km (0.105 R)
• M25: 37,090,847 km (0.07 R)
• M26: 42,769,582 km (0.061 R)
• M27: 43,399,090 km (0.118 R)
• M28: 49,001,082 km (0.074 R)
• M29: 51,796,617 km (0.1 R)
• M30: 55,624,527 km (0.068 R)
• M31: 56,562,805 km (0.087 R)
• M32: 57,511,705 km (0.094 R)
• M33: 59,052,114 km (0.055 R)
• M34: 59,636,593 km (0.119 R)
• M35: 64,247,648 km (0.068 R)
• M36: 66,745,035 km (0.082 R)
• M37: 70,830,553 km (0.114 R)
• M38: 71,270,071 km (0.082 R)
• M39: 78,082,758 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 18,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit