🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 13.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.99 AU - 1.23 AU

Year: 755 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 151.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,341,247 km

• M1: 170,542 km (0.046 R)
• M2: 604,525 km (0.032 R)
• M3: 1,049,279 km (0.043 R)
• M4: 1,754,633 km (0.114 R)
• M5: 2,620,356 km (0.091 R)
• M6: 3,437,161 km (0.076 R)
• M7: 3,990,673 km (0.094 R)
• M8: 4,463,552 km (0.047 R)
• M9: 5,329,723 km (0.076 R)
• M10: 5,942,626 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 12.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.69 AU - 1.95 AU

Year: 1585 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,341,247 km

• M1: 155,582 km (0.079 R)
• M2: 576,999 km (0.115 R)
• M3: 978,669 km (0.12 R)
• M4: 1,374,356 km (0.103 R)
• M5: 1,812,677 km (0.038 R)
• M6: 2,299,768 km (0.098 R)
• M7: 2,834,730 km (0.117 R)
• M8: 3,588,703 km (0.07 R)
• M9: 4,038,843 km (0.062 R)
• M10: 4,785,187 km (0.078 R)
• M11: 5,332,416 km (0.111 R)
• M12: 7,329,398 km (0.112 R)
• M13: 8,749,680 km (0.118 R)
• M14: 9,999,720 km (0.111 R)
• M15: 11,062,763 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 11.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.69 AU - 2.27 AU

Year: 1799 Days

Day: 13.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,341,247 km

• M1: 143,165 km (0.116 R)
• M2: 509,082 km (0.113 R)
• M3: 1,163,722 km (0.099 R)
• M4: 1,569,581 km (0.095 R)
• M5: 2,155,257 km (0.084 R)
• M6: 2,615,420 km (0.093 R)
• M7: 3,384,801 km (0.109 R)
• M8: 3,961,202 km (0.074 R)
• M9: 4,805,682 km (0.043 R)
• M10: 5,576,859 km (0.106 R)
• M11: 6,113,467 km (0.071 R)
• M12: 7,116,969 km (0.03 R)
• M13: 8,308,666 km (0.097 R)
• M14: 10,213,346 km (0.102 R)
• M15: 10,594,372 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 8.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.59 AU - 2.41 AU

Year: 1826 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,341,247 km

• M1: 100,829 km (0.057 R)
• M2: 541,245 km (0.094 R)
• M3: 798,553 km (0.037 R)
• M4: 1,070,074 km (0.029 R)
• M5: 2,170,665 km (0.083 R)
• M6: 3,015,594 km (0.079 R)
• M7: 3,641,661 km (0.031 R)
• M8: 4,029,119 km (0.11 R)
• M9: 4,556,602 km (0.111 R)
• M10: 4,886,764 km (0.092 R)
• M11: 5,660,933 km (0.047 R)
• M12: 6,228,657 km (0.106 R)
• M13: 6,660,546 km (0.066 R)
• M14: 7,061,019 km (0.026 R)
• M15: 7,504,128 km (0.045 R)
• M16: 8,104,913 km (0.105 R)
• M17: 8,590,658 km (0.086 R)
• M18: 9,371,110 km (0.12 R)
• M19: 9,778,614 km (0.043 R)
• M20: 11,421,947 km (0.062 R)
• M21: 12,402,262 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.77 AU - 2.43 AU

Year: 1965 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,341,247 km

• M1: 112,198 km (0.084 R)
• M2: 529,726 km (0.113 R)
• M3: 850,763 km (0.053 R)
• M4: 2,510,851 km (0.057 R)
• M5: 3,542,328 km (0.053 R)
• M6: 3,910,638 km (0.095 R)
• M7: 4,304,529 km (0.048 R)
• M8: 4,760,803 km (0.073 R)
• M9: 5,210,344 km (0.039 R)
• M10: 5,791,233 km (0.05 R)
• M11: 6,151,315 km (0.106 R)
• M12: 6,846,795 km (0.104 R)
• M13: 8,772,718 km (0.106 R)
• M14: 9,449,499 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 9.6

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.13 AU - 2.81 AU

Year: 2506 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,341,247 km

• M1: 122,221 km (0.119 R)
• M2: 429,645 km (0.043 R)
• M3: 1,039,107 km (0.107 R)
• M4: 1,586,934 km (0.097 R)
• M5: 2,345,096 km (0.117 R)
• M6: 2,706,525 km (0.101 R)
• M7: 3,542,777 km (0.112 R)
• M8: 5,037,260 km (0.079 R)
• M9: 6,351,477 km (0.083 R)
• M10: 7,849,699 km (0.072 R)
• M11: 9,824,990 km (0.083 R)
• M12: 10,809,942 km (0.049 R)
• M13: 11,125,893 km (0.09 R)
• M14: 11,776,344 km (0.105 R)
• M15: 13,153,243 km (0.12 R)
• M16: 14,348,530 km (0.087 R)
• M17: 14,730,454 km (0.048 R)
• M18: 15,816,085 km (0.076 R)
• M19: 16,482,095 km (0.086 R)
• M20: 16,954,076 km (0.115 R)
• M21: 18,201,274 km (0.114 R)
• M22: 18,592,771 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 12.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.26 AU - 3.14 AU

Year: 2865 Days

Day: 14.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,341,247 km

• M1: 160,369 km (0.051 R)
• M2: 593,305 km (0.118 R)
• M3: 1,102,237 km (0.065 R)
• M4: 1,507,049 km (0.109 R)
• M5: 2,327,144 km (0.118 R)
• M6: 2,742,129 km (0.089 R)
• M7: 3,475,159 km (0.107 R)
• M8: 4,335,197 km (0.105 R)
• M9: 5,181,322 km (0.105 R)
• M10: 6,807,002 km (0.09 R)
• M11: 7,528,064 km (0.104 R)
• M12: 8,036,697 km (0.099 R)
• M13: 8,447,941 km (0.086 R)
• M14: 9,409,257 km (0.112 R)
• M15: 10,202,575 km (0.105 R)
• M16: 10,615,764 km (0.106 R)
• M17: 11,697,805 km (0.089 R)
• M18: 13,538,906 km (0.119 R)
• M19: 14,080,600 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 10.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.71 AU - 2.89 AU

Year: 3025 Days

Day: 6.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,341,247 km

• M1: 134,488 km (0.119 R)
• M2: 706,700 km (0.091 R)
• M3: 2,597,468 km (0.109 R)
• M4: 3,026,963 km (0.049 R)
• M5: 3,489,221 km (0.06 R)
• M6: 3,982,744 km (0.111 R)
• M7: 4,454,576 km (0.04 R)
• M8: 7,614,232 km (0.082 R)
• M9: 8,265,731 km (0.116 R)
• M10: 8,711,533 km (0.07 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.5

Radius: 7.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.22 AU - 6.28 AU

Year: 10089 Days

Day: 17.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,341,247 km

• M1: 91,105 km (0.111 R)
• M2: 334,650 km (0.056 R)
• M3: 589,565 km (0.031 R)
• M4: 1,007,841 km (0.105 R)
• M5: 1,454,241 km (0.045 R)
• M6: 2,058,317 km (0.104 R)
• M7: 7,272,700 km (0.086 R)
• M8: 15,004,517 km (0.091 R)
• M9: 21,434,233 km (0.086 R)
• M10: 23,815,682 km (0.074 R)
• M11: 30,882,984 km (0.093 R)
• M12: 32,530,506 km (0.082 R)
• M13: 36,111,729 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.6

Radius: 5.7

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.14 AU - 13.3 AU

Year: 22662 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,341,247 km

• M1: 71,059 km (0.067 R)
• M2: 384,766 km (0.114 R)
• M3: 604,525 km (0.046 R)
• M4: 1,192,744 km (0.049 R)
• M5: 1,766,751 km (0.109 R)
• M6: 2,234,244 km (0.082 R)
• M7: 2,461,932 km (0.088 R)
• M8: 3,561,477 km (0.116 R)
• M9: 5,504,753 km (0.084 R)
• M10: 5,752,337 km (0.066 R)
• M11: 6,314,377 km (0.066 R)
• M12: 9,744,357 km (0.034 R)
• M13: 11,447,827 km (0.083 R)
• M14: 15,595,129 km (0.109 R)
• M15: 17,028,576 km (0.083 R)
• M16: 17,378,186 km (0.065 R)
• M17: 17,911,652 km (0.1 R)
• M18: 21,042,287 km (0.117 R)
• M19: 21,343,727 km (0.068 R)
• M20: 21,955,432 km (0.12 R)
• M21: 22,369,669 km (0.116 R)
• M22: 23,213,700 km (0.1 R)
• M23: 24,298,285 km (0.108 R)
• M24: 26,685,268 km (0.116 R)
• M25: 35,056,615 km (0.115 R)
• M26: 35,338,757 km (0.073 R)
• M27: 40,061,562 km (0.079 R)
• M28: 40,835,581 km (0.098 R)
• M29: 46,875,745 km (0.099 R)
• M30: 48,081,653 km (0.095 R)
• M31: 52,189,611 km (0.088 R)
• M32: 53,858,824 km (0.103 R)
• M33: 54,422,957 km (0.076 R)
• M34: 55,754,678 km (0.117 R)
• M35: 66,766,876 km (0.098 R)
• M36: 78,659,308 km (0.063 R)
• M37: 82,086,296 km (0.099 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: 490 - 18,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit