🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 13

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.77 AU - 1.03 AU

Year: 579 Days

Day: 11.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,054,442 km

• M1: 161,715 km (0.116 R)
• M2: 583,880 km (0.08 R)
• M3: 1,096,104 km (0.087 R)
• M4: 1,549,086 km (0.107 R)
• M5: 2,292,887 km (0.088 R)
• M6: 3,328,253 km (0.112 R)
• M7: 4,589,214 km (0.092 R)
• M8: 5,951,751 km (0.07 R)
• M9: 6,633,020 km (0.102 R)
• M10: 7,343,460 km (0.051 R)
• M11: 8,080,379 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 8.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.09 AU - 1.71 AU

Year: 1124 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,054,442 km

• M1: 128,654 km (0.092 R)
• M2: 509,680 km (0.083 R)
• M3: 795,861 km (0.075 R)
• M4: 1,172,997 km (0.112 R)
• M5: 1,446,761 km (0.096 R)
• M6: 2,741,979 km (0.107 R)
• M7: 4,859,537 km (0.092 R)
• M8: 5,154,245 km (0.077 R)
• M9: 5,799,909 km (0.084 R)
• M10: 6,131,867 km (0.074 R)
• M11: 6,542,513 km (0.1 R)
• M12: 6,925,334 km (0.113 R)
• M13: 7,613,036 km (0.101 R)
• M14: 9,179,475 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 14.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.57 AU - 1.61 AU

Year: 1360 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,054,442 km

• M1: 175,329 km (0.1 R)
• M2: 780,602 km (0.091 R)
• M3: 2,690,817 km (0.036 R)
• M4: 3,437,161 km (0.039 R)
• M5: 4,183,654 km (0.08 R)
• M6: 5,749,196 km (0.043 R)
• M7: 6,283,559 km (0.065 R)
• M8: 7,135,220 km (0.113 R)
• M9: 7,958,607 km (0.113 R)
• M10: 10,035,624 km (0.054 R)
• M11: 10,528,549 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 9.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.63 AU - 1.85 AU

Year: 1557 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,054,442 km

• M1: 120,576 km (0.117 R)
• M2: 422,764 km (0.076 R)
• M3: 785,090 km (0.065 R)
• M4: 1,494,932 km (0.034 R)
• M5: 2,090,331 km (0.098 R)
• M6: 2,502,473 km (0.083 R)
• M7: 3,229,519 km (0.078 R)
• M8: 3,596,931 km (0.101 R)
• M9: 4,158,372 km (0.114 R)
• M10: 5,216,478 km (0.057 R)
• M11: 5,682,475 km (0.083 R)
• M12: 6,354,469 km (0.117 R)
• M13: 6,721,582 km (0.097 R)
• M14: 7,030,202 km (0.091 R)
• M15: 7,348,247 km (0.094 R)
• M16: 8,607,263 km (0.12 R)
• M17: 9,317,255 km (0.036 R)
• M18: 10,439,089 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 12.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.64 AU - 1.9 AU

Year: 1597 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,054,442 km

• M1: 156,629 km (0.076 R)
• M2: 652,995 km (0.036 R)
• M3: 1,140,983 km (0.102 R)
• M4: 1,648,269 km (0.104 R)
• M5: 2,511,898 km (0.117 R)
• M6: 3,241,786 km (0.086 R)
• M7: 4,617,637 km (0.093 R)
• M8: 5,234,878 km (0.079 R)
• M9: 5,739,322 km (0.081 R)
• M10: 6,660,995 km (0.089 R)
• M11: 8,150,242 km (0.1 R)
• M12: 9,053,813 km (0.08 R)
• M13: 9,954,093 km (0.08 R)
• M14: 13,305,534 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 12.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.36 AU - 3.7 AU

Year: 3577 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,054,442 km

• M1: 160,369 km (0.101 R)
• M2: 753,375 km (0.102 R)
• M3: 1,236,127 km (0.061 R)
• M4: 1,866,533 km (0.097 R)
• M5: 2,285,855 km (0.059 R)
• M6: 2,984,328 km (0.087 R)
• M7: 4,529,973 km (0.039 R)
• M8: 6,439,590 km (0.079 R)
• M9: 6,945,231 km (0.087 R)
• M10: 7,574,140 km (0.12 R)
• M11: 8,659,024 km (0.097 R)
• M12: 10,000,618 km (0.096 R)
• M13: 11,779,486 km (0.106 R)
• M14: 12,311,606 km (0.108 R)
• M15: 12,906,108 km (0.05 R)
• M16: 17,051,913 km (0.031 R)
• M17: 18,315,417 km (0.094 R)
• M18: 19,394,766 km (0.116 R)
• M19: 21,092,851 km (0.074 R)
• M20: 21,812,267 km (0.049 R)
• M21: 22,278,713 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.3

Radius: 8.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.81 AU - 3.71 AU

Year: 3992 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,054,442 km

• M1: 109,506 km (0.108 R)
• M2: 597,195 km (0.091 R)
• M3: 910,602 km (0.095 R)
• M4: 1,743,862 km (0.112 R)
• M5: 2,846,399 km (0.11 R)
• M6: 3,156,515 km (0.12 R)
• M7: 3,948,785 km (0.079 R)
• M8: 4,819,744 km (0.078 R)
• M9: 5,867,677 km (0.067 R)
• M10: 6,696,001 km (0.115 R)
• M11: 7,185,186 km (0.078 R)
• M12: 9,687,210 km (0.082 R)
• M13: 10,353,369 km (0.116 R)
• M14: 11,430,773 km (0.116 R)
• M15: 12,264,333 km (0.061 R)
• M16: 13,279,205 km (0.056 R)
• M17: 16,715,019 km (0.077 R)
• M18: 19,207,768 km (0.113 R)
• M19: 22,271,832 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.7

Radius: 6.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.41 AU - 7.73 AU

Year: 11422 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,054,442 km

• M1: 77,193 km (0.101 R)
• M2: 365,168 km (0.049 R)
• M3: 578,345 km (0.112 R)
• M4: 1,493,585 km (0.077 R)
• M5: 1,908,570 km (0.109 R)
• M6: 2,271,943 km (0.063 R)
• M7: 2,680,495 km (0.072 R)
• M8: 4,018,199 km (0.08 R)
• M9: 4,393,989 km (0.114 R)
• M10: 7,962,945 km (0.094 R)
• M11: 8,785,883 km (0.096 R)
• M12: 9,829,777 km (0.078 R)
• M13: 17,883,528 km (0.102 R)
• M14: 20,085,309 km (0.071 R)
• M15: 20,834,795 km (0.099 R)
• M16: 22,679,935 km (0.104 R)
• M17: 24,095,280 km (0.053 R)
• M18: 25,332,006 km (0.115 R)
• M19: 26,529,387 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.8

Radius: 3.7

Gravity: 34.9 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.21 AU - 7.75 AU

Year: 12508 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,054,442 km

• M1: 46,076 km (0.09 R)
• M2: 222,602 km (0.093 R)
• M3: 338,390 km (0.112 R)
• M4: 630,405 km (0.081 R)
• M5: 825,631 km (0.078 R)
• M6: 1,311,674 km (0.068 R)
• M7: 1,769,892 km (0.118 R)
• M8: 1,899,594 km (0.118 R)
• M9: 2,365,442 km (0.088 R)
• M10: 2,730,012 km (0.073 R)
• M11: 3,803,975 km (0.04 R)
• M12: 4,245,737 km (0.073 R)
• M13: 4,419,869 km (0.067 R)
• M14: 4,538,650 km (0.072 R)
• M15: 5,230,241 km (0.089 R)
• M16: 6,062,005 km (0.067 R)
• M17: 6,780,224 km (0.059 R)
• M18: 7,766,224 km (0.096 R)
• M19: 11,126,940 km (0.119 R)
• M20: 13,648,113 km (0.107 R)
• M21: 15,208,568 km (0.057 R)
• M22: 16,525,478 km (0.1 R)
• M23: 18,142,781 km (0.098 R)
• M24: 19,068,044 km (0.111 R)
• M25: 19,622,005 km (0.099 R)
• M26: 22,553,973 km (0.093 R)
• M27: 24,169,630 km (0.05 R)
• M28: 30,004,097 km (0.103 R)
• M29: 30,537,713 km (0.11 R)
• M30: 32,623,556 km (0.092 R)
• M31: 33,988,636 km (0.084 R)
• M32: 35,747,907 km (0.092 R)
• M33: 37,321,078 km (0.092 R)
• M34: 37,938,170 km (0.099 R)
• M35: 38,186,951 km (0.088 R)
• M36: 40,995,352 km (0.106 R)
• M37: 43,938,241 km (0.076 R)
• M38: 44,212,604 km (0.101 R)
• M39: 46,733,178 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.2

Radius: 5.7

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.01 AU - 10.93 AU

Year: 21352 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,054,442 km

• M1: 70,909 km (0.113 R)
• M2: 274,961 km (0.117 R)
• M3: 625,618 km (0.025 R)
• M4: 1,633,908 km (0.059 R)
• M5: 1,848,431 km (0.067 R)
• M6: 2,163,784 km (0.059 R)
• M7: 3,031,002 km (0.108 R)
• M8: 4,474,921 km (0.095 R)
• M9: 4,825,279 km (0.115 R)
• M10: 5,346,179 km (0.063 R)
• M11: 6,196,793 km (0.118 R)
• M12: 8,111,795 km (0.108 R)
• M13: 8,901,223 km (0.095 R)
• M14: 12,575,197 km (0.066 R)
• M15: 12,781,792 km (0.101 R)
• M16: 13,994,881 km (0.105 R)
• M17: 14,819,614 km (0.061 R)
• M18: 21,423,163 km (0.102 R)
• M19: 22,115,053 km (0.062 R)
• M20: 23,232,250 km (0.088 R)
• M21: 25,468,738 km (0.072 R)
• M22: 26,582,644 km (0.095 R)
• M23: 28,431,524 km (0.116 R)
• M24: 31,237,232 km (0.058 R)
• M25: 34,356,049 km (0.111 R)
• M26: 38,249,632 km (0.113 R)
• M27: 38,974,434 km (0.07 R)
• M28: 42,736,821 km (0.088 R)
• M29: 45,915,626 km (0.112 R)
• M30: 47,896,601 km (0.071 R)
• M31: 58,470,029 km (0.094 R)
• M32: 62,779,644 km (0.118 R)
• M33: 73,129,423 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 18,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit