🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 5 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,826,879 km

• M1: 159,172 km (0.112 R)
• M2: 567,874 km (0.113 R)
• M3: 970,292 km (0.077 R)
• M4: 1,424,920 km (0.054 R)
• M5: 2,024,059 km (0.042 R)
• M6: 2,425,580 km (0.045 R)
• M7: 2,944,385 km (0.115 R)
• M8: 3,760,142 km (0.097 R)
• M9: 4,290,916 km (0.075 R)
• M10: 5,024,544 km (0.074 R)
• M11: 5,586,583 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.9

Radius: 8.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.7 AU - 0.7 AU

Year: 404 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,826,879 km

• M1: 102,175 km (0.074 R)
• M2: 362,326 km (0.116 R)
• M3: 902,973 km (0.073 R)
• M4: 1,595,760 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.8

Radius: 14

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.78 AU - 0.78 AU

Year: 476 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,826,879 km

• M1: 174,132 km (0.102 R)
• M2: 614,099 km (0.114 R)
• M3: 1,224,309 km (0.111 R)
• M4: 1,715,140 km (0.071 R)
• M5: 2,550,943 km (0.096 R)
• M6: 3,036,538 km (0.112 R)
• M7: 4,292,262 km (0.075 R)
• M8: 4,820,193 km (0.09 R)
• M9: 5,652,107 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 9.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.92 AU - 1.1 AU

Year: 701 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,826,879 km

• M1: 115,041 km (0.116 R)
• M2: 1,203,365 km (0.104 R)
• M3: 1,824,047 km (0.11 R)
• M4: 2,486,765 km (0.118 R)
• M5: 2,909,679 km (0.082 R)
• M6: 4,514,116 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 13.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.93 AU - 1.45 AU

Year: 896 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,826,879 km

• M1: 167,998 km (0.118 R)
• M2: 588,668 km (0.118 R)
• M3: 1,088,325 km (0.069 R)
• M4: 1,837,361 km (0.107 R)
• M5: 2,280,620 km (0.103 R)
• M6: 2,751,404 km (0.102 R)
• M7: 3,338,127 km (0.095 R)
• M8: 5,066,880 km (0.069 R)
• M9: 5,671,854 km (0.09 R)
• M10: 6,225,665 km (0.065 R)
• M11: 7,048,902 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 8.7

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.77 AU - 3.15 AU

Year: 3515 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,826,879 km

• M1: 108,159 km (0.04 R)
• M2: 448,046 km (0.038 R)
• M3: 786,735 km (0.096 R)
• M4: 1,123,480 km (0.06 R)
• M5: 1,417,889 km (0.092 R)
• M6: 1,812,977 km (0.049 R)
• M7: 2,727,020 km (0.113 R)
• M8: 3,194,214 km (0.089 R)
• M9: 4,334,000 km (0.073 R)
• M10: 5,724,512 km (0.075 R)
• M11: 6,762,572 km (0.084 R)
• M12: 8,195,719 km (0.101 R)
• M13: 10,544,256 km (0.069 R)
• M14: 11,259,334 km (0.115 R)
• M15: 11,694,814 km (0.032 R)
• M16: 12,051,305 km (0.101 R)
• M17: 12,739,306 km (0.079 R)
• M18: 14,599,406 km (0.095 R)
• M19: 15,328,097 km (0.101 R)
• M20: 15,755,349 km (0.109 R)
• M21: 16,801,786 km (0.086 R)
• M22: 19,713,708 km (0.099 R)
• M23: 20,539,339 km (0.092 R)
• M24: 23,646,337 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 14.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.13 AU - 3.47 AU

Year: 4138 Days

Day: 7.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,826,879 km

• M1: 181,013 km (0.109 R)
• M2: 723,605 km (0.104 R)
• M3: 1,558,660 km (0.052 R)
• M4: 2,280,769 km (0.051 R)
• M5: 3,352,787 km (0.092 R)
• M6: 5,492,785 km (0.039 R)
• M7: 5,942,476 km (0.11 R)
• M8: 6,508,555 km (0.091 R)
• M9: 8,463,500 km (0.054 R)
• M10: 10,023,207 km (0.069 R)
• M11: 11,002,774 km (0.096 R)
• M12: 11,905,597 km (0.026 R)
• M13: 15,075,127 km (0.077 R)
• M14: 17,537,358 km (0.056 R)
• M15: 20,390,040 km (0.07 R)
• M16: 23,686,429 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.5

Radius: 4.2

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.4 AU - 6.9 AU

Year: 9270 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,826,879 km

• M1: 55,650 km (0.099 R)
• M2: 559,795 km (0.089 R)
• M3: 1,202,019 km (0.093 R)
• M4: 1,342,641 km (0.105 R)
• M5: 1,629,420 km (0.045 R)
• M6: 3,176,262 km (0.045 R)
• M7: 8,982,305 km (0.103 R)
• M8: 9,523,400 km (0.049 R)
• M9: 9,708,603 km (0.058 R)
• M10: 13,639,735 km (0.07 R)
• M11: 16,444,995 km (0.062 R)
• M12: 16,980,854 km (0.088 R)
• M13: 17,390,453 km (0.103 R)
• M14: 17,946,658 km (0.107 R)
• M15: 19,021,519 km (0.054 R)
• M16: 19,241,577 km (0.054 R)
• M17: 20,214,562 km (0.052 R)
• M18: 21,456,523 km (0.112 R)
• M19: 29,110,399 km (0.089 R)
• M20: 29,402,564 km (0.108 R)
• M21: 29,795,258 km (0.114 R)
• M22: 31,503,068 km (0.042 R)
• M23: 32,852,291 km (0.063 R)
• M24: 33,487,783 km (0.12 R)
• M25: 36,111,879 km (0.034 R)
• M26: 38,284,040 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 5.7

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.78 AU - 9.18 AU

Year: 17045 Days

Day: 20.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,826,879 km

• M1: 571,613 km (0.117 R)
• M2: 910,752 km (0.057 R)
• M3: 1,163,572 km (0.079 R)
• M4: 1,390,363 km (0.111 R)
• M5: 1,811,630 km (0.112 R)
• M6: 2,743,326 km (0.097 R)
• M7: 3,730,672 km (0.06 R)
• M8: 4,734,922 km (0.06 R)
• M9: 5,281,702 km (0.082 R)
• M10: 5,718,678 km (0.058 R)
• M11: 7,175,163 km (0.083 R)
• M12: 8,812,362 km (0.065 R)
• M13: 9,218,819 km (0.105 R)
• M14: 9,479,269 km (0.111 R)
• M15: 11,802,973 km (0.039 R)
• M16: 12,109,948 km (0.056 R)
• M17: 12,740,203 km (0.086 R)
• M18: 14,620,948 km (0.074 R)
• M19: 18,099,697 km (0.067 R)
• M20: 18,590,527 km (0.056 R)
• M21: 19,174,557 km (0.025 R)
• M22: 20,466,784 km (0.115 R)
• M23: 21,179,319 km (0.05 R)
• M24: 25,092,051 km (0.11 R)
• M25: 25,599,936 km (0.076 R)
• M26: 26,636,200 km (0.108 R)
• M27: 31,646,831 km (0.119 R)
• M28: 33,569,762 km (0.093 R)
• M29: 39,393,009 km (0.113 R)
• M30: 39,803,655 km (0.11 R)
• M31: 42,184,206 km (0.117 R)
• M32: 51,833,269 km (0.066 R)
• M33: 54,668,148 km (0.109 R)
• M34: 58,488,130 km (0.095 R)
• M35: 59,380,332 km (0.041 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: 461 - 16,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit