🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 10.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,072,764 km

• M1: 126,859 km (0.052 R)
• M2: 444,904 km (0.086 R)
• M3: 768,933 km (0.12 R)
• M4: 1,086,978 km (0.083 R)
• M5: 1,475,484 km (0.092 R)
• M6: 2,064,899 km (0.058 R)
• M7: 2,550,494 km (0.114 R)
• M8: 3,043,718 km (0.087 R)
• M9: 4,029,419 km (0.086 R)
• M10: 5,312,968 km (0.101 R)
• M11: 6,102,546 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 8.1

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.86 AU - 1.18 AU

Year: 665 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,072,764 km

• M1: 100,679 km (0.114 R)
• M2: 372,648 km (0.102 R)
• M3: 632,799 km (0.039 R)
• M4: 1,056,011 km (0.105 R)
• M5: 1,564,046 km (0.109 R)
• M6: 1,959,583 km (0.117 R)
• M7: 2,216,292 km (0.057 R)
• M8: 2,527,905 km (0.094 R)
• M9: 3,025,767 km (0.049 R)
• M10: 4,034,355 km (0.102 R)
• M11: 4,326,221 km (0.11 R)
• M12: 7,375,175 km (0.12 R)
• M13: 7,719,400 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.2

Radius: 14.1

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.79 AU - 2.71 AU

Year: 2179 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,072,764 km

• M1: 175,329 km (0.085 R)
• M2: 987,645 km (0.088 R)
• M3: 2,093,173 km (0.085 R)
• M4: 2,747,365 km (0.057 R)
• M5: 4,037,796 km (0.12 R)
• M6: 6,296,574 km (0.111 R)
• M7: 6,986,520 km (0.114 R)
• M8: 7,585,510 km (0.12 R)
• M9: 9,202,513 km (0.032 R)
• M10: 9,823,045 km (0.101 R)
• M11: 10,681,886 km (0.109 R)
• M12: 11,441,544 km (0.05 R)
• M13: 12,236,956 km (0.101 R)
• M14: 12,947,845 km (0.08 R)
• M15: 14,626,483 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 14.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.71 AU - 3.69 AU

Year: 3696 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,072,764 km

• M1: 178,470 km (0.076 R)
• M2: 663,766 km (0.104 R)
• M3: 1,158,636 km (0.093 R)
• M4: 1,682,078 km (0.096 R)
• M5: 2,736,743 km (0.089 R)
• M6: 3,322,419 km (0.085 R)
• M7: 4,027,623 km (0.103 R)
• M8: 5,305,040 km (0.068 R)
• M9: 5,905,226 km (0.085 R)
• M10: 6,448,267 km (0.113 R)
• M11: 6,890,478 km (0.052 R)
• M12: 7,778,640 km (0.112 R)
• M13: 8,280,691 km (0.061 R)
• M14: 8,930,993 km (0.115 R)
• M15: 11,497,943 km (0.107 R)
• M16: 12,506,681 km (0.09 R)
• M17: 13,073,807 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 13.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.83 AU - 7.13 AU

Year: 9442 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,072,764 km

• M1: 173,085 km (0.112 R)
• M2: 970,142 km (0.06 R)
• M3: 1,406,070 km (0.055 R)
• M4: 2,364,095 km (0.115 R)
• M5: 2,946,629 km (0.117 R)
• M6: 3,457,207 km (0.115 R)
• M7: 3,923,354 km (0.051 R)
• M8: 5,714,040 km (0.091 R)
• M9: 6,772,445 km (0.085 R)
• M10: 8,425,651 km (0.08 R)
• M11: 11,469,818 km (0.105 R)
• M12: 13,327,226 km (0.094 R)
• M13: 14,296,769 km (0.116 R)
• M14: 21,698,722 km (0.081 R)
• M15: 28,172,570 km (0.037 R)
• M16: 29,972,083 km (0.1 R)
• M17: 33,798,946 km (0.119 R)
• M18: 34,579,249 km (0.099 R)
• M19: 36,175,757 km (0.094 R)
• M20: 39,885,036 km (0.115 R)
• M21: 43,840,703 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 3.7

Gravity: 68.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.14 AU - 9.26 AU

Year: 13796 Days

Day: 18.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,072,764 km

• M1: 46,824 km (0.093 R)
• M2: 239,057 km (0.044 R)
• M3: 558,598 km (0.087 R)
• M4: 711,338 km (0.095 R)
• M5: 1,331,271 km (0.073 R)
• M6: 1,449,304 km (0.079 R)
• M7: 1,623,286 km (0.082 R)
• M8: 2,550,494 km (0.045 R)
• M9: 3,204,087 km (0.097 R)
• M10: 4,972,783 km (0.1 R)
• M11: 5,295,465 km (0.085 R)
• M12: 5,864,237 km (0.073 R)
• M13: 6,224,468 km (0.077 R)
• M14: 6,599,211 km (0.032 R)
• M15: 7,347,948 km (0.101 R)
• M16: 8,498,805 km (0.112 R)
• M17: 8,752,971 km (0.073 R)
• M18: 8,959,865 km (0.119 R)
• M19: 9,545,541 km (0.049 R)
• M20: 12,795,555 km (0.034 R)
• M21: 13,953,891 km (0.098 R)
• M22: 14,812,433 km (0.084 R)
• M23: 17,928,258 km (0.075 R)
• M24: 18,514,980 km (0.054 R)
• M25: 19,993,007 km (0.06 R)
• M26: 22,020,059 km (0.085 R)
• M27: 24,999,151 km (0.113 R)
• M28: 32,229,664 km (0.099 R)
• M29: 38,209,241 km (0.095 R)
• M30: 39,459,730 km (0.069 R)
• M31: 42,041,789 km (0.089 R)
• M32: 44,887,290 km (0.117 R)
• M33: 48,178,443 km (0.12 R)
• M34: 52,132,764 km (0.096 R)
• M35: 58,643,712 km (0.051 R)
• M36: 60,679,140 km (0.078 R)
• M37: 65,085,994 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.8

Radius: 4

Gravity: 26.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.59 AU - 8.91 AU

Year: 16712 Days

Day: 16.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,072,764 km

• M1: 66,272 km (0.08 R)
• M2: 279,898 km (0.072 R)
• M3: 500,854 km (0.091 R)
• M4: 1,114,953 km (0.081 R)
• M5: 3,165,940 km (0.068 R)
• M6: 3,497,748 km (0.095 R)
• M7: 7,162,148 km (0.11 R)
• M8: 8,005,880 km (0.119 R)
• M9: 11,334,283 km (0.091 R)
• M10: 11,805,965 km (0.107 R)
• M11: 14,362,892 km (0.057 R)
• M12: 17,112,201 km (0.047 R)
• M13: 17,265,988 km (0.083 R)
• M14: 17,969,098 km (0.063 R)
• M15: 20,192,870 km (0.059 R)
• M16: 24,782,832 km (0.078 R)
• M17: 34,220,064 km (0.098 R)
• M18: 37,484,290 km (0.058 R)
• M19: 45,207,130 km (0.104 R)
• M20: 45,501,090 km (0.085 R)
• M21: 46,092,600 km (0.07 R)
• M22: 46,689,196 km (0.112 R)
• M23: 51,970,300 km (0.086 R)
• M24: 52,454,549 km (0.054 R)
• M25: 55,255,470 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 5.5

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9.27 AU - 12.99 AU

Year: 23975 Days

Day: 21.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,072,764 km

• M1: 173,833 km (0.1 R)
• M2: 352,453 km (0.095 R)
• M3: 1,165,517 km (0.098 R)
• M4: 1,816,268 km (0.117 R)
• M5: 2,797,630 km (0.111 R)
• M6: 3,522,581 km (0.053 R)
• M7: 3,771,213 km (0.082 R)
• M8: 4,211,629 km (0.098 R)
• M9: 4,397,130 km (0.039 R)
• M10: 4,718,466 km (0.087 R)
• M11: 5,020,953 km (0.072 R)
• M12: 5,264,947 km (0.047 R)
• M13: 6,241,672 km (0.08 R)
• M14: 9,202,064 km (0.119 R)
• M15: 10,781,668 km (0.115 R)
• M16: 14,962,031 km (0.088 R)
• M17: 16,210,724 km (0.064 R)
• M18: 17,132,995 km (0.092 R)
• M19: 17,766,842 km (0.109 R)
• M20: 19,250,104 km (0.081 R)
• M21: 22,087,527 km (0.092 R)
• M22: 24,889,196 km (0.118 R)
• M23: 26,322,793 km (0.063 R)
• M24: 27,918,852 km (0.11 R)
• M25: 28,574,988 km (0.107 R)
• M26: 31,537,475 km (0.09 R)
• M27: 32,729,321 km (0.091 R)
• M28: 36,096,919 km (0.071 R)
• M29: 36,355,275 km (0.079 R)
• M30: 37,268,869 km (0.068 R)
• M31: 40,101,654 km (0.087 R)
• M32: 43,950,209 km (0.069 R)
• M33: 46,191,185 km (0.113 R)
• M34: 49,137,665 km (0.037 R)
• M35: 50,576,048 km (0.115 R)
• M36: 50,899,479 km (0.101 R)
• M37: 51,877,998 km (0.113 R)
• M38: 54,209,930 km (0.075 R)
• M39: 56,610,826 km (0.044 R)
• M40: 57,134,419 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit