🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.4

Radius: 12.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.83 AU - 1.09 AU

Year: 598 Days

Day: 9.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,017,029 km

• M1: 157,975 km (0.1 R)
• M2: 594,951 km (0.114 R)
• M3: 1,054,964 km (0.084 R)
• M4: 1,823,748 km (0.069 R)
• M5: 3,148,138 km (0.109 R)
• M6: 4,162,411 km (0.041 R)
• M7: 4,703,507 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 14.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.62 AU - 1.8 AU

Year: 1422 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,017,029 km

• M1: 185,352 km (0.12 R)
• M2: 776,563 km (0.108 R)
• M3: 1,578,557 km (0.113 R)
• M4: 2,288,399 km (0.115 R)
• M5: 3,068,701 km (0.099 R)
• M6: 3,972,721 km (0.095 R)
• M7: 4,444,104 km (0.066 R)
• M8: 5,360,690 km (0.032 R)
• M9: 6,581,858 km (0.045 R)
• M10: 7,246,371 km (0.119 R)
• M11: 8,219,505 km (0.09 R)
• M12: 8,962,857 km (0.111 R)
• M13: 10,301,160 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.3

Radius: 10.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.47 AU - 2.23 AU

Year: 1600 Days

Day: 7.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,017,029 km

• M1: 134,189 km (0.085 R)
• M2: 505,491 km (0.105 R)
• M3: 909,854 km (0.073 R)
• M4: 1,278,912 km (0.108 R)
• M5: 1,619,397 km (0.111 R)
• M6: 2,679,896 km (0.096 R)
• M7: 3,247,620 km (0.04 R)
• M8: 4,767,983 km (0.12 R)
• M9: 5,465,558 km (0.096 R)
• M10: 5,983,616 km (0.076 R)
• M11: 6,380,798 km (0.12 R)
• M12: 7,311,446 km (0.114 R)
• M13: 8,119,125 km (0.038 R)
• M14: 8,513,914 km (0.072 R)
• M15: 8,953,283 km (0.093 R)
• M16: 9,980,422 km (0.109 R)
• M17: 11,195,157 km (0.106 R)
• M18: 12,032,306 km (0.107 R)
• M19: 15,246,865 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 13.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.69 AU - 2.55 AU

Year: 1963 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,017,029 km

• M1: 167,849 km (0.085 R)
• M2: 699,669 km (0.045 R)
• M3: 1,138,440 km (0.06 R)
• M4: 1,833,023 km (0.037 R)
• M5: 3,056,733 km (0.092 R)
• M6: 4,045,874 km (0.073 R)
• M7: 5,296,513 km (0.113 R)
• M8: 6,744,470 km (0.061 R)
• M9: 7,313,989 km (0.102 R)
• M10: 9,161,224 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.5

Radius: 10.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.43 AU - 3.45 AU

Year: 3205 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,017,029 km

• M1: 127,308 km (0.088 R)
• M2: 616,493 km (0.113 R)
• M3: 934,388 km (0.042 R)
• M4: 1,356,553 km (0.093 R)
• M5: 1,707,061 km (0.077 R)
• M6: 2,050,089 km (0.059 R)
• M7: 2,709,666 km (0.086 R)
• M8: 3,465,883 km (0.114 R)
• M9: 3,914,976 km (0.083 R)
• M10: 4,311,111 km (0.102 R)
• M11: 4,637,684 km (0.1 R)
• M12: 5,608,574 km (0.038 R)
• M13: 7,117,717 km (0.116 R)
• M14: 7,777,743 km (0.104 R)
• M15: 9,646,370 km (0.089 R)
• M16: 9,964,565 km (0.09 R)
• M17: 11,308,103 km (0.094 R)
• M18: 12,299,488 km (0.066 R)
• M19: 13,445,857 km (0.087 R)
• M20: 14,300,060 km (0.118 R)
• M21: 15,083,355 km (0.096 R)
• M22: 16,395,927 km (0.07 R)
• M23: 16,849,956 km (0.096 R)
• M24: 17,723,757 km (0.076 R)
• M25: 18,141,734 km (0.063 R)
• M26: 20,526,922 km (0.037 R)
• M27: 20,987,983 km (0.101 R)
• M28: 21,726,697 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 10.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.4 AU - 3.78 AU

Year: 4325 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,017,029 km

• M1: 133,142 km (0.115 R)
• M2: 982,260 km (0.112 R)
• M3: 2,034,082 km (0.106 R)
• M4: 2,667,779 km (0.106 R)
• M5: 3,446,286 km (0.069 R)
• M6: 4,711,884 km (0.053 R)
• M7: 5,141,679 km (0.061 R)
• M8: 5,622,187 km (0.082 R)
• M9: 6,785,311 km (0.115 R)
• M10: 7,574,739 km (0.117 R)
• M11: 8,262,141 km (0.119 R)
• M12: 8,787,828 km (0.062 R)
• M13: 9,405,817 km (0.111 R)
• M14: 11,354,778 km (0.111 R)
• M15: 15,735,302 km (0.113 R)
• M16: 16,136,225 km (0.038 R)
• M17: 16,698,563 km (0.097 R)
• M18: 18,243,909 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 14.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.18 AU - 4.76 AU

Year: 5029 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,017,029 km

• M1: 177,872 km (0.078 R)
• M2: 1,834,070 km (0.105 R)
• M3: 2,294,831 km (0.08 R)
• M4: 2,923,142 km (0.029 R)
• M5: 3,498,645 km (0.081 R)
• M6: 4,149,546 km (0.091 R)
• M7: 7,255,048 km (0.1 R)
• M8: 8,355,639 km (0.083 R)
• M9: 8,810,567 km (0.104 R)
• M10: 10,578,963 km (0.118 R)
• M11: 12,184,597 km (0.074 R)
• M12: 12,771,021 km (0.106 R)
• M13: 13,582,140 km (0.106 R)
• M14: 14,159,588 km (0.108 R)
• M15: 16,164,798 km (0.118 R)
• M16: 16,813,604 km (0.059 R)
• M17: 17,296,356 km (0.113 R)
• M18: 17,788,384 km (0.111 R)
• M19: 20,801,285 km (0.096 R)
• M20: 21,287,777 km (0.09 R)
• M21: 23,609,835 km (0.11 R)
• M22: 25,538,002 km (0.064 R)
• M23: 26,257,269 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 8.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.65 AU - 5.85 AU

Year: 8767 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,017,029 km

• M1: 117,883 km (0.116 R)
• M2: 563,685 km (0.112 R)
• M3: 1,415,495 km (0.079 R)
• M4: 1,948,063 km (0.079 R)
• M5: 2,306,799 km (0.107 R)
• M6: 2,795,236 km (0.093 R)
• M7: 3,215,157 km (0.109 R)
• M8: 3,593,191 km (0.077 R)
• M9: 4,297,348 km (0.092 R)
• M10: 5,577,757 km (0.073 R)
• M11: 7,128,189 km (0.104 R)
• M12: 9,576,508 km (0.1 R)
• M13: 10,404,233 km (0.045 R)
• M14: 10,879,505 km (0.11 R)
• M15: 15,382,850 km (0.059 R)
• M16: 17,283,042 km (0.097 R)
• M17: 18,258,570 km (0.11 R)
• M18: 19,334,627 km (0.095 R)
• M19: 20,586,761 km (0.059 R)
• M20: 21,405,062 km (0.096 R)
• M21: 22,961,029 km (0.105 R)
• M22: 23,471,607 km (0.044 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit