🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 13.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,882,745 km

• M1: 111,899 km (0.12 R)
• M2: 424,559 km (0.036 R)
• M3: 788,082 km (0.116 R)
• M4: 1,106,127 km (0.118 R)
• M5: 1,405,173 km (0.115 R)
• M6: 2,227,064 km (0.043 R)
• M7: 2,794,937 km (0.094 R)
• M8: 3,113,580 km (0.06 R)
• M9: 3,576,137 km (0.05 R)
• M10: 4,000,097 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.4

Radius: 12.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,882,745 km

• M1: 160,668 km (0.108 R)
• M2: 582,534 km (0.117 R)
• M3: 1,035,816 km (0.082 R)
• M4: 1,464,414 km (0.116 R)
• M5: 1,982,321 km (0.108 R)
• M6: 2,415,557 km (0.082 R)
• M7: 3,608,749 km (0.076 R)
• M8: 4,062,480 km (0.106 R)
• M9: 4,483,598 km (0.084 R)
• M10: 5,446,709 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 10.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.84 AU - 1.14 AU

Year: 668 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,882,745 km

• M1: 146,008 km (0.101 R)
• M2: 579,542 km (0.082 R)
• M3: 998,715 km (0.12 R)
• M4: 1,402,480 km (0.103 R)
• M5: 1,824,795 km (0.068 R)
• M6: 2,264,613 km (0.072 R)
• M7: 3,335,434 km (0.072 R)
• M8: 4,272,665 km (0.111 R)
• M9: 4,637,235 km (0.087 R)
• M10: 5,464,062 km (0.034 R)
• M11: 6,005,756 km (0.079 R)
• M12: 6,405,930 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 11.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.69 AU - 2.17 AU

Year: 1819 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,882,745 km

• M1: 139,276 km (0.086 R)
• M2: 772,972 km (0.067 R)
• M3: 1,144,424 km (0.116 R)
• M4: 1,687,165 km (0.118 R)
• M5: 2,116,810 km (0.057 R)
• M6: 2,499,780 km (0.084 R)
• M7: 3,866,955 km (0.088 R)
• M8: 4,973,082 km (0.072 R)
• M9: 6,107,183 km (0.114 R)
• M10: 6,709,465 km (0.088 R)
• M11: 7,406,142 km (0.064 R)
• M12: 8,091,450 km (0.05 R)
• M13: 8,694,479 km (0.105 R)
• M14: 9,522,802 km (0.107 R)
• M15: 10,264,209 km (0.11 R)
• M16: 13,453,037 km (0.081 R)
• M17: 13,957,033 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 12.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.34 AU - 3.48 AU

Year: 3367 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,882,745 km

• M1: 150,495 km (0.108 R)
• M2: 1,019,509 km (0.061 R)
• M3: 1,395,748 km (0.111 R)
• M4: 1,778,120 km (0.111 R)
• M5: 2,244,716 km (0.085 R)
• M6: 3,411,729 km (0.118 R)
• M7: 3,810,557 km (0.116 R)
• M8: 5,856,457 km (0.088 R)
• M9: 6,902,147 km (0.094 R)
• M10: 12,229,925 km (0.104 R)
• M11: 13,526,340 km (0.094 R)
• M12: 14,253,984 km (0.085 R)
• M13: 15,007,808 km (0.111 R)
• M14: 16,492,417 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.7

Radius: 11.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.4 AU - 5.08 AU

Year: 5922 Days

Day: 14 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,882,745 km

• M1: 141,819 km (0.1 R)
• M2: 728,242 km (0.041 R)
• M3: 1,201,420 km (0.096 R)
• M4: 2,983,131 km (0.051 R)
• M5: 4,005,633 km (0.072 R)
• M6: 5,859,150 km (0.117 R)
• M7: 6,683,434 km (0.093 R)
• M8: 8,562,384 km (0.106 R)
• M9: 9,902,182 km (0.084 R)
• M10: 10,638,802 km (0.093 R)
• M11: 11,342,810 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 9.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.17 AU - 5.69 AU

Year: 7424 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,882,745 km

• M1: 116,986 km (0.113 R)
• M2: 861,385 km (0.11 R)
• M3: 1,169,257 km (0.071 R)
• M4: 1,973,495 km (0.108 R)
• M5: 3,737,404 km (0.117 R)
• M6: 5,304,740 km (0.111 R)
• M7: 8,020,540 km (0.091 R)
• M8: 9,898,592 km (0.047 R)
• M9: 10,631,921 km (0.119 R)
• M10: 11,698,853 km (0.068 R)
• M11: 13,875,203 km (0.114 R)
• M12: 15,207,671 km (0.094 R)
• M13: 17,071,211 km (0.116 R)
• M14: 18,057,959 km (0.114 R)
• M15: 19,644,145 km (0.08 R)
• M16: 23,329,638 km (0.109 R)
• M17: 24,216,155 km (0.12 R)
• M18: 29,544,383 km (0.117 R)
• M19: 34,455,830 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992

Radius: 6.4

Gravity: 24.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.29 AU - 8.09 AU

Year: 11736 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,882,745 km

• M1: 87,066 km (0.097 R)
• M2: 448,943 km (0.082 R)
• M3: 1,102,387 km (0.102 R)
• M4: 1,706,613 km (0.079 R)
• M5: 3,058,229 km (0.078 R)
• M6: 3,360,118 km (0.057 R)
• M7: 3,654,078 km (0.113 R)
• M8: 3,936,219 km (0.062 R)
• M9: 4,172,285 km (0.048 R)
• M10: 4,386,509 km (0.074 R)
• M11: 5,212,738 km (0.087 R)
• M12: 6,335,919 km (0.111 R)
• M13: 6,537,577 km (0.057 R)
• M14: 6,743,722 km (0.102 R)
• M15: 7,611,988 km (0.112 R)
• M16: 11,239,138 km (0.117 R)
• M17: 12,267,624 km (0.072 R)
• M18: 12,708,938 km (0.08 R)
• M19: 13,095,498 km (0.118 R)
• M20: 13,690,000 km (0.098 R)
• M21: 16,249,171 km (0.087 R)
• M22: 17,800,501 km (0.105 R)
• M23: 18,943,429 km (0.067 R)
• M24: 21,646,961 km (0.091 R)
• M25: 22,291,130 km (0.066 R)
• M26: 24,006,270 km (0.101 R)
• M27: 30,015,766 km (0.113 R)
• M28: 36,695,610 km (0.07 R)
• M29: 37,610,999 km (0.093 R)
• M30: 39,623,539 km (0.079 R)
• M31: 41,990,028 km (0.063 R)
• M32: 42,991,286 km (0.112 R)
• M33: 45,041,226 km (0.031 R)
• M34: 55,588,026 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485

Radius: 4.6

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.08 AU - 9.46 AU

Year: 16131 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 43,882,745 km

• M1: 57,745 km (0.12 R)
• M2: 505,940 km (0.051 R)
• M3: 799,750 km (0.094 R)
• M4: 1,149,660 km (0.071 R)
• M5: 2,364,544 km (0.086 R)
• M6: 2,705,777 km (0.114 R)
• M7: 3,407,241 km (0.104 R)
• M8: 3,675,021 km (0.081 R)
• M9: 4,757,212 km (0.103 R)
• M10: 6,754,344 km (0.099 R)
• M11: 7,707,581 km (0.11 R)
• M12: 8,311,359 km (0.079 R)
• M13: 8,996,068 km (0.095 R)
• M14: 9,455,782 km (0.1 R)
• M15: 11,043,464 km (0.081 R)
• M16: 11,991,317 km (0.094 R)
• M17: 12,485,139 km (0.087 R)
• M18: 13,056,753 km (0.087 R)
• M19: 13,711,991 km (0.09 R)
• M20: 15,663,346 km (0.112 R)
• M21: 18,842,899 km (0.081 R)
• M22: 20,365,357 km (0.102 R)
• M23: 21,245,740 km (0.084 R)
• M24: 23,941,643 km (0.079 R)
• M25: 29,664,510 km (0.066 R)
• M26: 30,339,196 km (0.099 R)
• M27: 32,424,142 km (0.078 R)
• M28: 34,110,409 km (0.101 R)
• M29: 34,602,735 km (0.088 R)
• M30: 35,475,789 km (0.112 R)
• M31: 37,265,578 km (0.075 R)
• M32: 45,768,571 km (0.055 R)
• M33: 46,067,318 km (0.113 R)
• M34: 46,367,411 km (0.105 R)
• M35: 49,283,373 km (0.074 R)
• M36: 51,669,908 km (0.06 R)
• M37: 52,645,735 km (0.086 R)
• M38: 52,973,803 km (0.111 R)
• M39: 56,844,199 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.4

Radius: 3.2

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.22 AU - 10.6 AU

Year: 21159 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,882,745 km

• M1: 39,793 km (0.082 R)
• M2: 147,653 km (0.05 R)
• M3: 258,954 km (0.102 R)
• M4: 532,568 km (0.114 R)
• M5: 792,719 km (0.119 R)
• M6: 3,723,790 km (0.1 R)
• M7: 3,825,666 km (0.063 R)
• M8: 4,949,296 km (0.116 R)
• M9: 5,229,493 km (0.071 R)
• M10: 5,487,399 km (0.059 R)
• M11: 6,641,248 km (0.115 R)
• M12: 6,866,991 km (0.119 R)
• M13: 7,780,585 km (0.052 R)
• M14: 10,846,743 km (0.105 R)
• M15: 11,695,412 km (0.1 R)
• M16: 14,008,644 km (0.047 R)
• M17: 17,306,529 km (0.025 R)
• M18: 17,448,348 km (0.112 R)
• M19: 19,361,854 km (0.045 R)
• M20: 19,514,593 km (0.083 R)
• M21: 24,479,747 km (0.055 R)
• M22: 25,199,313 km (0.053 R)
• M23: 25,381,373 km (0.105 R)
• M24: 31,894,864 km (0.11 R)
• M25: 34,739,468 km (0.086 R)
• M26: 35,191,553 km (0.11 R)
• M27: 35,877,010 km (0.111 R)
• M28: 35,992,201 km (0.087 R)
• M29: 41,304,421 km (0.06 R)
• M30: 42,323,332 km (0.055 R)
• M31: 43,620,196 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 17,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit