🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 12.6

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,914,642 km

• M1: 156,629 km (0.067 R)
• M2: 646,562 km (0.073 R)
• M3: 1,164,769 km (0.075 R)
• M4: 1,669,213 km (0.105 R)
• M5: 2,974,155 km (0.039 R)
• M6: 3,701,500 km (0.063 R)
• M7: 4,502,896 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 11.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.69 AU - 0.75 AU

Year: 414 Days

Day: 5.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,914,642 km

• M1: 141,819 km (0.092 R)
• M2: 650,152 km (0.05 R)
• M3: 1,076,656 km (0.118 R)
• M4: 1,864,438 km (0.119 R)
• M5: 2,285,407 km (0.099 R)
• M6: 2,797,331 km (0.075 R)
• M7: 3,384,801 km (0.09 R)
• M8: 3,947,439 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 12.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.5 AU - 2.06 AU

Year: 1611 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,914,642 km

• M1: 156,629 km (0.102 R)
• M2: 1,091,167 km (0.115 R)
• M3: 1,820,008 km (0.115 R)
• M4: 2,301,264 km (0.059 R)
• M5: 3,280,532 km (0.079 R)
• M6: 4,035,702 km (0.109 R)
• M7: 5,541,853 km (0.106 R)
• M8: 6,005,158 km (0.107 R)
• M9: 7,342,563 km (0.08 R)
• M10: 7,739,745 km (0.076 R)
• M11: 9,320,845 km (0.117 R)
• M12: 10,139,145 km (0.051 R)
• M13: 11,955,263 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.5

Radius: 8.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.65 AU - 1.99 AU

Year: 1665 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,914,642 km

• M1: 100,679 km (0.082 R)
• M2: 579,243 km (0.098 R)
• M3: 1,141,133 km (0.053 R)
• M4: 3,344,260 km (0.038 R)
• M5: 4,173,781 km (0.049 R)
• M6: 4,694,680 km (0.074 R)
• M7: 6,164,031 km (0.064 R)
• M8: 6,520,074 km (0.071 R)
• M9: 7,563,968 km (0.062 R)
• M10: 8,196,318 km (0.094 R)
• M11: 9,348,371 km (0.057 R)
• M12: 10,739,781 km (0.113 R)
• M13: 11,047,653 km (0.073 R)
• M14: 12,301,433 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 13.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.1 AU - 3.42 AU

Year: 3110 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,914,642 km

• M1: 171,589 km (0.108 R)
• M2: 635,791 km (0.116 R)
• M3: 1,065,885 km (0.087 R)
• M4: 1,834,219 km (0.09 R)
• M5: 2,715,650 km (0.083 R)
• M6: 3,199,150 km (0.12 R)
• M7: 4,098,084 km (0.082 R)
• M8: 5,262,255 km (0.071 R)
• M9: 6,396,955 km (0.113 R)
• M10: 8,063,475 km (0.08 R)
• M11: 8,776,159 km (0.071 R)
• M12: 9,804,644 km (0.081 R)
• M13: 10,368,778 km (0.07 R)
• M14: 11,562,270 km (0.098 R)
• M15: 13,036,258 km (0.119 R)
• M16: 16,077,283 km (0.097 R)
• M17: 18,209,502 km (0.077 R)
• M18: 18,878,204 km (0.11 R)
• M19: 19,689,623 km (0.092 R)
• M20: 22,195,238 km (0.09 R)
• M21: 24,245,477 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 8.4

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.98 AU - 4.52 AU

Year: 4925 Days

Day: 8.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,914,642 km

• M1: 104,569 km (0.098 R)
• M2: 549,473 km (0.115 R)
• M3: 865,573 km (0.118 R)
• M4: 1,369,868 km (0.084 R)
• M5: 1,644,380 km (0.094 R)
• M6: 2,339,561 km (0.092 R)
• M7: 3,258,541 km (0.063 R)
• M8: 3,598,577 km (0.1 R)
• M9: 4,250,674 km (0.057 R)
• M10: 6,451,109 km (0.067 R)
• M11: 7,023,620 km (0.051 R)
• M12: 9,318,152 km (0.075 R)
• M13: 10,271,988 km (0.081 R)
• M14: 11,433,466 km (0.114 R)
• M15: 12,020,937 km (0.083 R)
• M16: 12,939,917 km (0.071 R)
• M17: 14,125,629 km (0.12 R)
• M18: 16,464,592 km (0.111 R)
• M19: 18,579,308 km (0.05 R)
• M20: 23,340,110 km (0.085 R)
• M21: 28,945,243 km (0.115 R)
• M22: 29,760,552 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.4

Radius: 14.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.06 AU - 5.36 AU

Year: 6933 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,914,642 km

• M1: 182,360 km (0.07 R)
• M2: 778,956 km (0.104 R)
• M3: 3,053,741 km (0.1 R)
• M4: 4,468,937 km (0.089 R)
• M5: 5,368,918 km (0.106 R)
• M6: 6,023,109 km (0.055 R)
• M7: 6,835,576 km (0.073 R)
• M8: 7,797,041 km (0.079 R)
• M9: 10,219,928 km (0.112 R)
• M10: 10,739,781 km (0.098 R)
• M11: 11,935,965 km (0.072 R)
• M12: 14,182,327 km (0.119 R)
• M13: 15,313,736 km (0.102 R)
• M14: 18,578,859 km (0.103 R)
• M15: 19,141,347 km (0.062 R)
• M16: 19,787,610 km (0.061 R)
• M17: 20,897,177 km (0.079 R)
• M18: 21,969,794 km (0.088 R)
• M19: 28,166,287 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.6

Radius: 12.3

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.72 AU - 6.14 AU

Year: 8582 Days

Day: 10 Hours

Environment

Temp: -232 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,914,642 km

• M1: 164,109 km (0.118 R)
• M2: 589,864 km (0.087 R)
• M3: 1,008,589 km (0.092 R)
• M4: 2,508,457 km (0.06 R)
• M5: 4,195,771 km (0.057 R)
• M6: 4,591,308 km (0.04 R)
• M7: 5,425,316 km (0.118 R)
• M8: 6,541,765 km (0.109 R)
• M9: 6,958,994 km (0.099 R)
• M10: 8,319,287 km (0.118 R)
• M11: 9,320,097 km (0.062 R)
• M12: 10,197,339 km (0.114 R)
• M13: 11,075,478 km (0.084 R)
• M14: 11,670,130 km (0.097 R)
• M15: 12,805,877 km (0.078 R)
• M16: 13,705,110 km (0.098 R)
• M17: 15,562,367 km (0.08 R)
• M18: 22,135,548 km (0.099 R)
• M19: 23,783,518 km (0.118 R)
• M20: 25,792,318 km (0.114 R)
• M21: 28,811,503 km (0.12 R)
• M22: 30,041,048 km (0.081 R)
• M23: 33,939,568 km (0.116 R)
• M24: 34,964,463 km (0.104 R)
• M25: 42,462,458 km (0.081 R)
• M26: 44,728,567 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.8

Radius: 7.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.07 AU - 8.07 AU

Year: 12750 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,914,642 km

• M1: 123,717 km (0.085 R)
• M2: 471,233 km (0.077 R)
• M3: 982,559 km (0.029 R)
• M4: 1,854,714 km (0.108 R)
• M5: 2,353,175 km (0.084 R)
• M6: 3,431,775 km (0.091 R)
• M7: 3,905,103 km (0.112 R)
• M8: 5,249,240 km (0.094 R)
• M9: 5,748,448 km (0.112 R)
• M10: 6,416,402 km (0.093 R)
• M11: 7,552,748 km (0.11 R)
• M12: 9,843,241 km (0.111 R)
• M13: 10,265,555 km (0.101 R)
• M14: 12,023,630 km (0.114 R)
• M15: 14,327,736 km (0.071 R)
• M16: 15,932,622 km (0.119 R)
• M17: 17,111,453 km (0.104 R)
• M18: 22,091,866 km (0.1 R)
• M19: 30,750,740 km (0.11 R)
• M20: 31,249,948 km (0.119 R)
• M21: 33,827,519 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.2

Radius: 4.4

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.34 AU - 11.76 AU

Year: 20017 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,914,642 km

• M1: 55,351 km (0.088 R)
• M2: 194,627 km (0.107 R)
• M3: 403,166 km (0.083 R)
• M4: 559,047 km (0.084 R)
• M5: 719,865 km (0.076 R)
• M6: 943,215 km (0.099 R)
• M7: 1,173,894 km (0.109 R)
• M8: 2,369,331 km (0.051 R)
• M9: 2,707,572 km (0.1 R)
• M10: 3,639,417 km (0.077 R)
• M11: 6,071,878 km (0.12 R)
• M12: 6,303,755 km (0.07 R)
• M13: 10,584,797 km (0.063 R)
• M14: 11,438,104 km (0.106 R)
• M15: 12,092,445 km (0.095 R)
• M16: 13,024,439 km (0.119 R)
• M17: 14,137,448 km (0.065 R)
• M18: 15,887,144 km (0.097 R)
• M19: 17,697,727 km (0.05 R)
• M20: 18,733,693 km (0.089 R)
• M21: 21,101,228 km (0.106 R)
• M22: 21,544,038 km (0.091 R)
• M23: 21,902,624 km (0.047 R)
• M24: 22,539,762 km (0.071 R)
• M25: 24,720,450 km (0.078 R)
• M26: 25,710,937 km (0.045 R)
• M27: 26,624,681 km (0.088 R)
• M28: 30,049,126 km (0.052 R)
• M29: 33,038,839 km (0.065 R)
• M30: 34,361,285 km (0.114 R)
• M31: 38,015,961 km (0.058 R)
• M32: 38,277,158 km (0.028 R)
• M33: 49,268,264 km (0.115 R)
• M34: 49,890,591 km (0.072 R)
• M35: 50,833,805 km (0.078 R)
• M36: 51,949,207 km (0.102 R)
• M37: 53,734,807 km (0.067 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: 173 - 19,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit