🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 8.9

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 14.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,783,429 km

• M1: 110,702 km (0.117 R)
• M2: 434,731 km (0.117 R)
• M3: 783,145 km (0.039 R)
• M4: 1,196,484 km (0.079 R)
• M5: 1,831,228 km (0.074 R)
• M6: 2,117,408 km (0.088 R)
• M7: 2,561,564 km (0.108 R)
• M8: 2,993,753 km (0.106 R)
• M9: 3,326,907 km (0.097 R)
• M10: 4,533,115 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 14

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.62 AU - 0.64 AU

Year: 333 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,783,429 km

• M1: 174,132 km (0.059 R)
• M2: 650,302 km (0.08 R)
• M3: 1,134,101 km (0.075 R)
• M4: 2,877,515 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 12.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.87 AU - 0.99 AU

Year: 598 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,783,429 km

• M1: 157,975 km (0.086 R)
• M2: 854,353 km (0.082 R)
• M3: 1,260,212 km (0.098 R)
• M4: 1,738,327 km (0.055 R)
• M5: 2,231,551 km (0.105 R)
• M6: 3,236,849 km (0.112 R)
• M7: 4,418,822 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 13.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.44 AU - 2.28 AU

Year: 1692 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,783,429 km

• M1: 172,935 km (0.056 R)
• M2: 706,700 km (0.118 R)
• M3: 1,233,285 km (0.071 R)
• M4: 1,837,062 km (0.112 R)
• M5: 2,498,584 km (0.091 R)
• M6: 3,250,463 km (0.073 R)
• M7: 3,905,552 km (0.083 R)
• M8: 4,709,939 km (0.115 R)
• M9: 5,230,390 km (0.062 R)
• M10: 6,009,047 km (0.107 R)
• M11: 7,477,650 km (0.066 R)
• M12: 8,592,602 km (0.107 R)
• M13: 9,575,909 km (0.094 R)
• M14: 11,962,594 km (0.117 R)
• M15: 12,688,293 km (0.067 R)
• M16: 14,406,275 km (0.117 R)
• M17: 15,089,040 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 8.9

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.47 AU - 4.05 AU

Year: 3925 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,783,429 km

• M1: 110,702 km (0.082 R)
• M2: 401,221 km (0.088 R)
• M3: 716,723 km (0.118 R)
• M4: 1,630,617 km (0.046 R)
• M5: 2,386,385 km (0.112 R)
• M6: 3,543,375 km (0.086 R)
• M7: 3,866,955 km (0.106 R)
• M8: 4,353,448 km (0.065 R)
• M9: 4,802,241 km (0.045 R)
• M10: 5,364,729 km (0.04 R)
• M11: 5,822,200 km (0.069 R)
• M12: 6,336,517 km (0.088 R)
• M13: 8,136,329 km (0.083 R)
• M14: 9,374,999 km (0.078 R)
• M15: 9,912,505 km (0.106 R)
• M16: 10,913,763 km (0.118 R)
• M17: 11,231,509 km (0.119 R)
• M18: 11,837,979 km (0.073 R)
• M19: 12,515,208 km (0.06 R)
• M20: 14,160,336 km (0.1 R)
• M21: 20,293,400 km (0.074 R)
• M22: 21,192,782 km (0.052 R)
• M23: 22,046,537 km (0.075 R)
• M24: 22,701,626 km (0.083 R)
• M25: 24,979,254 km (0.082 R)
• M26: 28,675,219 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 12.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.84 AU - 4.64 AU

Year: 4823 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,783,429 km

• M1: 154,235 km (0.092 R)
• M2: 742,305 km (0.05 R)
• M3: 1,316,162 km (0.07 R)
• M4: 2,615,270 km (0.103 R)
• M5: 3,332,143 km (0.093 R)
• M6: 5,110,862 km (0.051 R)
• M7: 6,074,870 km (0.088 R)
• M8: 7,728,076 km (0.071 R)
• M9: 8,962,708 km (0.076 R)
• M10: 13,727,849 km (0.076 R)
• M11: 15,932,772 km (0.114 R)
• M12: 18,308,984 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 14

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.44 AU - 4.62 AU

Year: 5395 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,783,429 km

• M1: 174,132 km (0.087 R)
• M2: 612,154 km (0.094 R)
• M3: 1,107,623 km (0.054 R)
• M4: 1,658,592 km (0.08 R)
• M5: 3,293,846 km (0.091 R)
• M6: 4,615,992 km (0.077 R)
• M7: 6,139,945 km (0.061 R)
• M8: 7,496,200 km (0.053 R)
• M9: 8,598,586 km (0.069 R)
• M10: 9,293,469 km (0.107 R)
• M11: 11,702,892 km (0.04 R)
• M12: 12,352,595 km (0.049 R)
• M13: 12,816,349 km (0.113 R)
• M14: 13,615,052 km (0.085 R)
• M15: 14,560,211 km (0.1 R)
• M16: 18,116,751 km (0.085 R)
• M17: 18,783,658 km (0.113 R)
• M18: 25,378,830 km (0.077 R)
• M19: 27,067,940 km (0.036 R)
• M20: 32,001,977 km (0.08 R)
• M21: 33,075,790 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 11.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.15 AU - 4.55 AU

Year: 6050 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,783,429 km

• M1: 142,417 km (0.094 R)
• M2: 511,026 km (0.061 R)
• M3: 957,875 km (0.059 R)
• M4: 1,327,532 km (0.114 R)
• M5: 2,261,321 km (0.098 R)
• M6: 3,401,706 km (0.104 R)
• M7: 5,104,279 km (0.054 R)
• M8: 6,296,874 km (0.093 R)
• M9: 6,942,239 km (0.087 R)
• M10: 8,517,205 km (0.077 R)
• M11: 8,906,160 km (0.118 R)
• M12: 10,101,746 km (0.045 R)
• M13: 10,582,254 km (0.088 R)
• M14: 11,401,452 km (0.104 R)
• M15: 12,860,181 km (0.09 R)
• M16: 14,604,492 km (0.117 R)
• M17: 17,916,888 km (0.066 R)
• M18: 19,411,969 km (0.098 R)
• M19: 20,430,880 km (0.113 R)
• M20: 21,556,455 km (0.088 R)
• M21: 22,723,169 km (0.117 R)
• M22: 24,162,450 km (0.059 R)
• M23: 24,786,422 km (0.119 R)
• M24: 25,261,396 km (0.075 R)
• M25: 25,742,353 km (0.088 R)
• M26: 27,055,074 km (0.064 R)
• M27: 27,727,965 km (0.077 R)
• M28: 29,635,787 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 9.2

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.6 AU - 5.88 AU

Year: 7999 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,783,429 km

• M1: 114,442 km (0.106 R)
• M2: 405,859 km (0.056 R)
• M3: 961,316 km (0.116 R)
• M4: 1,567,636 km (0.054 R)
• M5: 3,116,124 km (0.109 R)
• M6: 3,483,686 km (0.097 R)
• M7: 5,283,498 km (0.106 R)
• M8: 5,936,642 km (0.046 R)
• M9: 9,098,243 km (0.09 R)
• M10: 9,581,744 km (0.091 R)
• M11: 10,457,190 km (0.092 R)
• M12: 11,740,441 km (0.118 R)
• M13: 12,796,751 km (0.076 R)
• M14: 14,676,299 km (0.077 R)
• M15: 15,901,057 km (0.081 R)
• M16: 19,764,422 km (0.104 R)
• M17: 21,640,529 km (0.034 R)
• M18: 22,107,873 km (0.093 R)
• M19: 26,979,378 km (0.033 R)
• M20: 29,951,438 km (0.044 R)
• M21: 30,629,566 km (0.106 R)
• M22: 31,218,832 km (0.081 R)
• M23: 32,016,338 km (0.066 R)
• M24: 33,032,257 km (0.051 R)
• M25: 34,279,604 km (0.096 R)
• M26: 36,099,911 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.2

Radius: 4.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.32 AU - 11.18 AU

Year: 20302 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,783,429 km

• M1: 56,099 km (0.092 R)
• M2: 475,721 km (0.11 R)
• M3: 1,219,971 km (0.101 R)
• M4: 2,646,237 km (0.089 R)
• M5: 5,377,744 km (0.079 R)
• M6: 6,110,475 km (0.088 R)
• M7: 6,481,777 km (0.11 R)
• M8: 7,900,563 km (0.045 R)
• M9: 8,521,992 km (0.096 R)
• M10: 11,007,711 km (0.077 R)
• M11: 11,952,271 km (0.036 R)
• M12: 12,889,502 km (0.093 R)
• M13: 15,855,430 km (0.06 R)
• M14: 19,962,041 km (0.05 R)
• M15: 20,204,389 km (0.079 R)
• M16: 22,128,816 km (0.033 R)
• M17: 24,632,037 km (0.107 R)
• M18: 28,018,484 km (0.113 R)
• M19: 29,247,431 km (0.057 R)
• M20: 35,342,048 km (0.089 R)
• M21: 36,534,044 km (0.034 R)
• M22: 41,570,406 km (0.063 R)
• M23: 42,230,731 km (0.113 R)
• M24: 46,907,609 km (0.078 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: 511 - 11,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit