🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 8.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.63 AU - 0.77 AU

Year: 412 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,243,720 km

• M1: 104,419 km (0.078 R)
• M2: 402,269 km (0.053 R)
• M3: 693,835 km (0.112 R)
• M4: 1,031,926 km (0.115 R)
• M5: 1,391,859 km (0.075 R)
• M6: 1,719,029 km (0.071 R)
• M7: 2,302,760 km (0.063 R)
• M8: 2,820,369 km (0.098 R)
• M9: 3,102,211 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 11.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.92 AU

Year: 570 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,243,720 km

• M1: 140,472 km (0.069 R)
• M2: 549,772 km (0.041 R)
• M3: 930,349 km (0.115 R)
• M4: 1,488,050 km (0.112 R)
• M5: 2,252,794 km (0.118 R)
• M6: 2,618,112 km (0.115 R)
• M7: 3,146,791 km (0.05 R)
• M8: 3,733,963 km (0.078 R)
• M9: 4,122,917 km (0.097 R)
• M10: 4,702,310 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 12.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.04 AU - 1.06 AU

Year: 756 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,243,720 km

• M1: 154,385 km (0.116 R)
• M2: 866,620 km (0.094 R)
• M3: 1,332,169 km (0.047 R)
• M4: 1,788,143 km (0.093 R)
• M5: 2,348,687 km (0.043 R)
• M6: 3,012,303 km (0.081 R)
• M7: 4,114,241 km (0.118 R)
• M8: 4,630,802 km (0.069 R)
• M9: 6,855,322 km (0.088 R)
• M10: 7,918,814 km (0.051 R)
• M11: 8,363,867 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 12.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.39 AU - 1.47 AU

Year: 1202 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 168.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,243,720 km

• M1: 160,519 km (0.072 R)
• M2: 597,943 km (0.107 R)
• M3: 1,222,514 km (0.034 R)
• M4: 1,832,873 km (0.03 R)
• M5: 2,653,567 km (0.105 R)
• M6: 3,337,229 km (0.108 R)
• M7: 3,799,038 km (0.083 R)
• M8: 4,760,653 km (0.117 R)
• M9: 5,172,945 km (0.111 R)
• M10: 6,376,310 km (0.098 R)
• M11: 8,794,410 km (0.1 R)
• M12: 9,741,215 km (0.1 R)
• M13: 10,471,701 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.8

Radius: 14.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.57 AU - 1.63 AU

Year: 1423 Days

Day: 8.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 144.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,243,720 km

• M1: 184,005 km (0.116 R)
• M2: 736,620 km (0.042 R)
• M3: 1,534,575 km (0.094 R)
• M4: 2,059,813 km (0.051 R)
• M5: 2,535,684 km (0.102 R)
• M6: 4,469,236 km (0.099 R)
• M7: 5,585,685 km (0.108 R)
• M8: 6,453,054 km (0.045 R)
• M9: 7,247,568 km (0.115 R)
• M10: 8,695,975 km (0.108 R)
• M11: 9,537,313 km (0.087 R)
• M12: 12,934,980 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 9.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.76 AU - 2.7 AU

Year: 2341 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,243,720 km

• M1: 115,938 km (0.119 R)
• M2: 429,495 km (0.025 R)
• M3: 721,062 km (0.109 R)
• M4: 1,104,331 km (0.115 R)
• M5: 1,706,014 km (0.087 R)
• M6: 2,261,022 km (0.06 R)
• M7: 2,769,505 km (0.027 R)
• M8: 3,130,335 km (0.098 R)
• M9: 3,522,431 km (0.114 R)
• M10: 4,405,807 km (0.079 R)
• M11: 5,644,028 km (0.096 R)
• M12: 6,134,709 km (0.119 R)
• M13: 7,024,218 km (0.103 R)
• M14: 7,997,353 km (0.04 R)
• M15: 8,331,405 km (0.103 R)
• M16: 9,731,192 km (0.074 R)
• M17: 10,769,850 km (0.12 R)
• M18: 12,097,232 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 8.6

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.16 AU - 2.72 AU

Year: 2679 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,243,720 km

• M1: 107,112 km (0.079 R)
• M2: 404,064 km (0.051 R)
• M3: 769,980 km (0.109 R)
• M4: 1,146,069 km (0.045 R)
• M5: 1,664,276 km (0.114 R)
• M6: 2,146,131 km (0.049 R)
• M7: 2,794,937 km (0.097 R)
• M8: 3,148,586 km (0.088 R)
• M9: 4,456,221 km (0.111 R)
• M10: 4,805,233 km (0.063 R)
• M11: 5,290,828 km (0.073 R)
• M12: 5,732,890 km (0.063 R)
• M13: 6,119,750 km (0.105 R)
• M14: 6,747,014 km (0.067 R)
• M15: 7,296,786 km (0.113 R)
• M16: 9,230,787 km (0.106 R)
• M17: 9,727,153 km (0.115 R)
• M18: 11,045,708 km (0.114 R)
• M19: 12,394,632 km (0.092 R)
• M20: 13,086,822 km (0.118 R)
• M21: 15,366,992 km (0.103 R)
• M22: 16,013,854 km (0.11 R)
• M23: 16,318,435 km (0.097 R)
• M24: 16,730,577 km (0.112 R)
• M25: 17,255,516 km (0.092 R)
• M26: 18,173,000 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 12.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.34 AU - 3.06 AU

Year: 3119 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,243,720 km

• M1: 150,795 km (0.074 R)
• M2: 596,148 km (0.119 R)
• M3: 1,212,341 km (0.053 R)
• M4: 1,744,760 km (0.085 R)
• M5: 2,613,924 km (0.062 R)
• M6: 3,090,094 km (0.085 R)
• M7: 3,697,162 km (0.097 R)
• M8: 4,341,031 km (0.077 R)
• M9: 6,162,983 km (0.097 R)
• M10: 7,244,426 km (0.119 R)
• M11: 9,322,491 km (0.115 R)
• M12: 10,330,032 km (0.106 R)
• M13: 13,430,897 km (0.107 R)
• M14: 13,880,438 km (0.118 R)
• M15: 15,193,160 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 13.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.92 AU - 5.3 AU

Year: 6958 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,243,720 km

• M1: 166,951 km (0.089 R)
• M2: 697,425 km (0.112 R)
• M3: 1,256,473 km (0.065 R)
• M4: 1,850,974 km (0.117 R)
• M5: 2,612,876 km (0.053 R)
• M6: 3,096,078 km (0.043 R)
• M7: 3,513,007 km (0.111 R)
• M8: 4,413,287 km (0.101 R)
• M9: 4,918,329 km (0.111 R)
• M10: 5,405,719 km (0.114 R)
• M11: 7,759,642 km (0.106 R)
• M12: 8,768,380 km (0.096 R)
• M13: 9,243,952 km (0.069 R)
• M14: 9,862,688 km (0.106 R)
• M15: 11,183,039 km (0.055 R)
• M16: 11,934,021 km (0.113 R)
• M17: 14,885,138 km (0.064 R)
• M18: 15,391,975 km (0.088 R)
• M19: 15,968,675 km (0.084 R)
• M20: 17,226,644 km (0.119 R)
• M21: 18,356,706 km (0.038 R)
• M22: 18,939,838 km (0.06 R)
• M23: 19,736,746 km (0.112 R)
• M24: 21,114,543 km (0.103 R)
• M25: 21,754,971 km (0.106 R)
• M26: 25,793,216 km (0.05 R)
• M27: 27,523,016 km (0.061 R)
• M28: 29,153,633 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448

Radius: 3

Gravity: 49.78 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.73 AU - 6.91 AU

Year: 9869 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,243,720 km

• M1: 38,895 km (0.103 R)
• M2: 138,677 km (0.102 R)
• M3: 352,303 km (0.107 R)
• M4: 452,534 km (0.116 R)
• M5: 778,358 km (0.095 R)
• M6: 1,031,926 km (0.086 R)
• M7: 1,504,655 km (0.097 R)
• M8: 2,041,113 km (0.063 R)
• M9: 3,245,376 km (0.094 R)
• M10: 3,668,439 km (0.109 R)
• M11: 4,397,878 km (0.111 R)
• M12: 5,407,514 km (0.081 R)
• M13: 5,698,632 km (0.078 R)
• M14: 6,000,071 km (0.065 R)
• M15: 6,781,421 km (0.047 R)
• M16: 7,005,818 km (0.068 R)
• M17: 7,119,811 km (0.071 R)
• M18: 7,830,252 km (0.119 R)
• M19: 8,586,619 km (0.079 R)
• M20: 8,761,050 km (0.114 R)
• M21: 11,884,055 km (0.115 R)
• M22: 16,133,233 km (0.101 R)
• M23: 20,046,563 km (0.114 R)
• M24: 22,591,373 km (0.067 R)
• M25: 24,547,814 km (0.053 R)
• M26: 26,430,204 km (0.068 R)
• M27: 30,378,241 km (0.101 R)
• M28: 36,951,721 km (0.069 R)
• M29: 37,413,081 km (0.071 R)
• M30: 37,645,257 km (0.091 R)
• M31: 38,820,498 km (0.088 R)
• M32: 39,537,221 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 18,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit