🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 11.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.78 AU - 0.86 AU

Year: 522 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,596,086 km

• M1: 146,756 km (0.096 R)
• M2: 514,766 km (0.116 R)
• M3: 1,019,061 km (0.047 R)
• M4: 1,391,559 km (0.082 R)
• M5: 1,768,396 km (0.111 R)
• M6: 2,914,167 km (0.115 R)
• M7: 3,327,057 km (0.104 R)
• M8: 3,813,848 km (0.05 R)
• M9: 4,310,064 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 12

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.92 AU - 0.96 AU

Year: 641 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,596,086 km

• M1: 149,299 km (0.106 R)
• M2: 744,698 km (0.114 R)
• M3: 1,153,699 km (0.079 R)
• M4: 1,684,023 km (0.116 R)
• M5: 2,533,739 km (0.064 R)
• M6: 3,143,799 km (0.088 R)
• M7: 3,622,064 km (0.093 R)
• M8: 4,210,432 km (0.072 R)
• M9: 4,861,632 km (0.092 R)
• M10: 5,943,972 km (0.115 R)
• M11: 7,003,275 km (0.026 R)
• M12: 7,383,104 km (0.07 R)
• M13: 8,430,887 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 10.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.21 AU - 1.33 AU

Year: 1006 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,596,086 km

• M1: 195,674 km (0.061 R)
• M2: 575,204 km (0.104 R)
• M3: 1,189,752 km (0.115 R)
• M4: 1,645,577 km (0.105 R)
• M5: 2,514,142 km (0.069 R)
• M6: 3,781,236 km (0.056 R)
• M7: 4,197,267 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 8.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.2 AU - 1.82 AU

Year: 1304 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,596,086 km

• M1: 102,026 km (0.076 R)
• M2: 403,765 km (0.114 R)
• M3: 715,527 km (0.049 R)
• M4: 1,123,330 km (0.097 R)
• M5: 1,628,373 km (0.116 R)
• M6: 1,967,661 km (0.051 R)
• M7: 2,365,142 km (0.076 R)
• M8: 2,691,415 km (0.114 R)
• M9: 3,349,496 km (0.11 R)
• M10: 4,013,561 km (0.116 R)
• M11: 5,702,372 km (0.066 R)
• M12: 6,055,871 km (0.097 R)
• M13: 6,899,005 km (0.067 R)
• M14: 8,176,720 km (0.12 R)
• M15: 8,982,006 km (0.101 R)
• M16: 9,318,601 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.87 AU - 3.75 AU

Year: 4233 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,596,086 km

• M1: 185,501 km (0.102 R)
• M2: 653,443 km (0.072 R)
• M3: 1,208,302 km (0.084 R)
• M4: 1,881,044 km (0.119 R)
• M5: 2,746,168 km (0.057 R)
• M6: 4,817,949 km (0.109 R)
• M7: 5,406,467 km (0.037 R)
• M8: 6,133,363 km (0.085 R)
• M9: 6,924,736 km (0.096 R)
• M10: 9,630,513 km (0.038 R)
• M11: 10,568,641 km (0.107 R)
• M12: 11,105,697 km (0.074 R)
• M13: 11,707,978 km (0.115 R)
• M14: 12,234,563 km (0.108 R)
• M15: 15,907,490 km (0.104 R)
• M16: 17,526,438 km (0.083 R)
• M17: 18,344,140 km (0.115 R)
• M18: 19,186,974 km (0.113 R)
• M19: 20,123,606 km (0.081 R)
• M20: 21,372,300 km (0.115 R)
• M21: 22,819,659 km (0.12 R)
• M22: 24,719,702 km (0.117 R)
• M23: 28,573,941 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.89 AU - 5.19 AU

Year: 6800 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,596,086 km

• M1: 112,198 km (0.076 R)
• M2: 456,722 km (0.098 R)
• M3: 757,564 km (0.104 R)
• M4: 1,715,738 km (0.062 R)
• M5: 2,108,881 km (0.111 R)
• M6: 3,927,692 km (0.081 R)
• M7: 4,757,212 km (0.097 R)
• M8: 6,171,211 km (0.077 R)
• M9: 7,225,876 km (0.108 R)
• M10: 7,613,784 km (0.103 R)
• M11: 10,321,505 km (0.043 R)
• M12: 10,648,227 km (0.112 R)
• M13: 15,126,888 km (0.116 R)
• M14: 16,032,853 km (0.079 R)
• M15: 16,361,070 km (0.065 R)
• M16: 17,031,119 km (0.088 R)
• M17: 19,707,425 km (0.103 R)
• M18: 21,177,972 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 12.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.59 AU - 5.03 AU

Year: 7415 Days

Day: 9 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,596,086 km

• M1: 164,558 km (0.119 R)
• M2: 699,071 km (0.077 R)
• M3: 1,098,497 km (0.035 R)
• M4: 1,940,883 km (0.094 R)
• M5: 3,097,424 km (0.112 R)
• M6: 4,258,752 km (0.113 R)
• M7: 4,939,572 km (0.119 R)
• M8: 6,095,814 km (0.025 R)
• M9: 6,585,747 km (0.1 R)
• M10: 7,244,277 km (0.104 R)
• M11: 8,492,222 km (0.105 R)
• M12: 9,443,366 km (0.09 R)
• M13: 11,410,727 km (0.082 R)
• M14: 17,146,758 km (0.1 R)
• M15: 19,005,811 km (0.052 R)
• M16: 23,435,853 km (0.069 R)
• M17: 24,154,970 km (0.103 R)
• M18: 25,302,685 km (0.078 R)
• M19: 26,059,500 km (0.078 R)
• M20: 26,572,322 km (0.09 R)
• M21: 28,151,477 km (0.079 R)
• M22: 29,330,308 km (0.059 R)
• M23: 30,165,663 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.2

Radius: 5.7

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.67 AU - 8.63 AU

Year: 14873 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,596,086 km

• M1: 73,303 km (0.075 R)
• M2: 310,416 km (0.054 R)
• M3: 545,583 km (0.072 R)
• M4: 1,110,166 km (0.11 R)
• M5: 1,341,743 km (0.114 R)
• M6: 1,650,065 km (0.114 R)
• M7: 1,987,408 km (0.085 R)
• M8: 2,799,724 km (0.119 R)
• M9: 3,022,176 km (0.052 R)
• M10: 3,976,910 km (0.119 R)
• M11: 4,316,347 km (0.103 R)
• M12: 4,736,717 km (0.081 R)
• M13: 5,658,539 km (0.069 R)
• M14: 6,051,533 km (0.112 R)
• M15: 7,807,812 km (0.104 R)
• M16: 8,849,163 km (0.111 R)
• M17: 9,039,302 km (0.099 R)
• M18: 10,606,788 km (0.054 R)
• M19: 10,875,616 km (0.09 R)
• M20: 15,131,376 km (0.112 R)
• M21: 16,027,766 km (0.11 R)
• M22: 21,131,447 km (0.077 R)
• M23: 21,386,212 km (0.039 R)
• M24: 22,250,290 km (0.04 R)
• M25: 22,602,293 km (0.044 R)
• M26: 22,958,037 km (0.096 R)
• M27: 29,910,598 km (0.072 R)
• M28: 30,231,785 km (0.116 R)
• M29: 31,761,423 km (0.059 R)
• M30: 33,918,774 km (0.115 R)
• M31: 34,268,235 km (0.12 R)
• M32: 38,145,213 km (0.091 R)
• M33: 39,800,364 km (0.091 R)
• M34: 45,192,769 km (0.077 R)
• M35: 49,095,478 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit