🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 8.2

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.97 AU - 1.21 AU

Year: 747 Days

Day: 12.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 120 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,422,069 km

• M1: 102,026 km (0.096 R)
• M2: 425,307 km (0.088 R)
• M3: 689,796 km (0.087 R)
• M4: 1,263,952 km (0.11 R)
• M5: 1,617,901 km (0.092 R)
• M6: 2,056,821 km (0.108 R)
• M7: 2,384,740 km (0.12 R)
• M8: 2,653,567 km (0.101 R)
• M9: 3,160,105 km (0.053 R)
• M10: 3,429,681 km (0.076 R)
• M11: 4,203,999 km (0.12 R)
• M12: 4,649,651 km (0.083 R)
• M13: 4,928,352 km (0.107 R)
• M14: 5,424,120 km (0.082 R)
• M15: 5,753,085 km (0.09 R)
• M16: 7,021,825 km (0.115 R)
• M17: 7,319,674 km (0.093 R)
• M18: 7,867,352 km (0.082 R)
• M19: 8,911,096 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 12.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.4 AU - 1.74 AU

Year: 1291 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,422,069 km

• M1: 151,842 km (0.108 R)
• M2: 589,266 km (0.051 R)
• M3: 1,181,674 km (0.118 R)
• M4: 1,808,339 km (0.105 R)
• M5: 2,508,906 km (0.075 R)
• M6: 4,395,784 km (0.046 R)
• M7: 5,578,505 km (0.094 R)
• M8: 6,326,793 km (0.114 R)
• M9: 7,089,593 km (0.067 R)
• M10: 9,435,586 km (0.116 R)
• M11: 10,135,555 km (0.07 R)
• M12: 10,699,988 km (0.064 R)
• M13: 11,711,120 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.7

Radius: 8.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.59 AU - 1.89 AU

Year: 1506 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,422,069 km

• M1: 109,506 km (0.052 R)
• M2: 488,886 km (0.025 R)
• M3: 781,798 km (0.09 R)
• M4: 1,307,635 km (0.068 R)
• M5: 1,919,640 km (0.091 R)
• M6: 2,229,008 km (0.045 R)
• M7: 3,173,868 km (0.087 R)
• M8: 3,578,231 km (0.113 R)
• M9: 4,619,732 km (0.076 R)
• M10: 5,100,539 km (0.119 R)
• M11: 5,550,829 km (0.118 R)
• M12: 5,938,886 km (0.046 R)
• M13: 6,649,625 km (0.068 R)
• M14: 6,988,614 km (0.088 R)
• M15: 7,364,703 km (0.111 R)
• M16: 9,331,466 km (0.091 R)
• M17: 11,111,831 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 13.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.75 AU - 3.49 AU

Year: 3615 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,422,069 km

• M1: 166,203 km (0.113 R)
• M2: 639,980 km (0.093 R)
• M3: 1,340,547 km (0.043 R)
• M4: 1,912,459 km (0.069 R)
• M5: 2,872,279 km (0.074 R)
• M6: 3,293,397 km (0.089 R)
• M7: 3,715,862 km (0.104 R)
• M8: 4,174,828 km (0.081 R)
• M9: 4,648,305 km (0.117 R)
• M10: 6,231,649 km (0.117 R)
• M11: 7,194,162 km (0.119 R)
• M12: 8,569,564 km (0.065 R)
• M13: 9,114,250 km (0.116 R)
• M14: 10,639,700 km (0.097 R)
• M15: 11,615,826 km (0.12 R)
• M16: 12,790,169 km (0.052 R)
• M17: 15,639,709 km (0.103 R)
• M18: 17,585,828 km (0.114 R)
• M19: 20,832,999 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 15

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.83 AU - 3.97 AU

Year: 4113 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,422,069 km

• M1: 186,848 km (0.083 R)
• M2: 963,111 km (0.12 R)
• M3: 2,373,221 km (0.113 R)
• M4: 3,331,245 km (0.05 R)
• M5: 4,715,325 km (0.077 R)
• M6: 5,563,844 km (0.051 R)
• M7: 7,010,904 km (0.115 R)
• M8: 10,283,806 km (0.119 R)
• M9: 13,456,628 km (0.119 R)
• M10: 14,074,766 km (0.088 R)
• M11: 14,861,651 km (0.099 R)
• M12: 17,067,471 km (0.079 R)
• M13: 18,248,696 km (0.045 R)
• M14: 21,600,736 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.2

Radius: 12

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.79 AU - 4.25 AU

Year: 5287 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,422,069 km

• M1: 154,086 km (0.091 R)
• M2: 531,072 km (0.077 R)
• M3: 1,089,820 km (0.082 R)
• M4: 2,671,519 km (0.075 R)
• M5: 3,479,646 km (0.061 R)
• M6: 4,584,128 km (0.114 R)
• M7: 5,021,701 km (0.109 R)
• M8: 5,464,361 km (0.09 R)
• M9: 5,908,966 km (0.098 R)
• M10: 7,789,412 km (0.083 R)
• M11: 8,353,994 km (0.118 R)
• M12: 9,465,656 km (0.109 R)
• M13: 9,868,672 km (0.118 R)
• M14: 10,318,214 km (0.055 R)
• M15: 10,781,519 km (0.105 R)
• M16: 13,435,086 km (0.114 R)
• M17: 14,868,233 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 14.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.96 AU - 4.94 AU

Year: 6158 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,422,069 km

• M1: 221,854 km (0.115 R)
• M2: 1,002,306 km (0.093 R)
• M3: 1,848,581 km (0.118 R)
• M4: 2,305,154 km (0.077 R)
• M5: 5,078,997 km (0.111 R)
• M6: 6,105,388 km (0.075 R)
• M7: 6,915,760 km (0.105 R)
• M8: 10,062,701 km (0.085 R)
• M9: 11,325,307 km (0.088 R)
• M10: 11,994,907 km (0.106 R)
• M11: 12,881,125 km (0.119 R)
• M12: 22,089,622 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 8.7

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.07 AU - 4.89 AU

Year: 6221 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,422,069 km

• M1: 126,410 km (0.12 R)
• M2: 517,609 km (0.085 R)
• M3: 831,914 km (0.111 R)
• M4: 1,276,219 km (0.103 R)
• M5: 1,687,314 km (0.097 R)
• M6: 2,916,859 km (0.103 R)
• M7: 3,659,463 km (0.097 R)
• M8: 4,203,551 km (0.062 R)
• M9: 5,179,377 km (0.103 R)
• M10: 5,641,186 km (0.054 R)
• M11: 6,541,316 km (0.032 R)
• M12: 7,807,064 km (0.12 R)
• M13: 9,184,860 km (0.105 R)
• M14: 10,095,014 km (0.114 R)
• M15: 12,686,498 km (0.116 R)
• M16: 12,962,207 km (0.042 R)
• M17: 14,283,006 km (0.109 R)
• M18: 17,122,972 km (0.111 R)
• M19: 18,287,442 km (0.083 R)
• M20: 21,623,325 km (0.067 R)
• M21: 22,577,011 km (0.087 R)
• M22: 26,493,783 km (0.081 R)
• M23: 28,049,152 km (0.119 R)
• M24: 31,947,074 km (0.105 R)
• M25: 32,355,775 km (0.079 R)
• M26: 33,287,920 km (0.109 R)
• M27: 33,707,841 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.6

Radius: 12.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.97 AU - 5.57 AU

Year: 7936 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,422,069 km

• M1: 153,039 km (0.09 R)
• M2: 651,499 km (0.098 R)
• M3: 1,089,970 km (0.082 R)
• M4: 3,425,492 km (0.12 R)
• M5: 3,819,533 km (0.068 R)
• M6: 4,296,152 km (0.077 R)
• M7: 4,728,190 km (0.084 R)
• M8: 6,035,676 km (0.042 R)
• M9: 8,618,034 km (0.111 R)
• M10: 9,002,052 km (0.076 R)
• M11: 11,298,379 km (0.098 R)
• M12: 15,974,210 km (0.09 R)
• M13: 21,490,033 km (0.097 R)
• M14: 21,881,830 km (0.097 R)
• M15: 25,977,521 km (0.104 R)
• M16: 26,511,735 km (0.048 R)
• M17: 28,912,182 km (0.029 R)
• M18: 30,067,526 km (0.113 R)
• M19: 30,459,473 km (0.103 R)
• M20: 31,454,149 km (0.07 R)
• M21: 32,367,743 km (0.117 R)
• M22: 32,779,437 km (0.082 R)
• M23: 34,354,403 km (0.11 R)
• M24: 38,110,506 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.6

Radius: 4.3

Gravity: 43.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.15 AU - 8.33 AU

Year: 11479 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,422,069 km

• M1: 54,454 km (0.103 R)
• M2: 302,188 km (0.115 R)
• M3: 588,518 km (0.061 R)
• M4: 1,131,259 km (0.083 R)
• M5: 1,833,920 km (0.096 R)
• M6: 2,135,061 km (0.088 R)
• M7: 5,950,106 km (0.025 R)
• M8: 7,016,140 km (0.08 R)
• M9: 7,974,314 km (0.115 R)
• M10: 8,343,372 km (0.092 R)
• M11: 9,934,196 km (0.114 R)
• M12: 10,634,613 km (0.052 R)
• M13: 17,772,227 km (0.087 R)
• M14: 19,537,482 km (0.062 R)
• M15: 20,548,016 km (0.103 R)
• M16: 21,240,654 km (0.102 R)
• M17: 21,416,282 km (0.096 R)
• M18: 23,225,668 km (0.081 R)
• M19: 25,331,108 km (0.096 R)
• M20: 25,727,094 km (0.073 R)
• M21: 33,223,593 km (0.056 R)
• M22: 37,273,357 km (0.052 R)
• M23: 39,218,279 km (0.116 R)
• M24: 42,053,308 km (0.098 R)
• M25: 46,335,846 km (0.089 R)
• M26: 52,646,034 km (0.076 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: 254 - 16,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit