🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 11.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.73 AU - 0.75 AU

Year: 439 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,132,696 km

• M1: 144,362 km (0.075 R)
• M2: 507,436 km (0.117 R)
• M3: 942,167 km (0.1 R)
• M4: 1,319,603 km (0.068 R)
• M5: 1,702,723 km (0.05 R)
• M6: 2,397,455 km (0.115 R)
• M7: 3,004,524 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 10.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.74 AU - 0.8 AU

Year: 466 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,132,696 km

• M1: 133,142 km (0.094 R)
• M2: 473,926 km (0.089 R)
• M3: 907,610 km (0.095 R)
• M4: 1,691,952 km (0.117 R)
• M5: 2,540,920 km (0.036 R)
• M6: 2,965,030 km (0.072 R)
• M7: 3,436,113 km (0.095 R)
• M8: 3,943,699 km (0.11 R)
• M9: 4,486,739 km (0.048 R)
• M10: 5,140,931 km (0.082 R)
• M11: 5,622,636 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 14.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 8.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,132,696 km

• M1: 181,612 km (0.104 R)
• M2: 678,576 km (0.087 R)
• M3: 1,145,620 km (0.107 R)
• M4: 1,636,900 km (0.114 R)
• M5: 2,111,574 km (0.044 R)
• M6: 2,578,319 km (0.085 R)
• M7: 3,103,258 km (0.1 R)
• M8: 3,635,378 km (0.11 R)
• M9: 5,339,597 km (0.097 R)
• M10: 6,072,926 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 13.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.71 AU - 1.05 AU

Year: 570 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,132,696 km

• M1: 170,392 km (0.084 R)
• M2: 648,058 km (0.05 R)
• M3: 1,079,498 km (0.075 R)
• M4: 1,670,410 km (0.061 R)
• M5: 2,464,326 km (0.066 R)
• M6: 3,163,247 km (0.096 R)
• M7: 3,648,991 km (0.111 R)
• M8: 4,101,076 km (0.105 R)
• M9: 4,545,980 km (0.099 R)
• M10: 5,087,076 km (0.082 R)
• M11: 5,705,962 km (0.057 R)
• M12: 6,374,515 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 10.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.98 AU - 1.34 AU

Year: 862 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,132,696 km

• M1: 129,402 km (0.082 R)
• M2: 594,652 km (0.096 R)
• M3: 1,069,924 km (0.097 R)
• M4: 1,571,974 km (0.097 R)
• M5: 2,507,560 km (0.107 R)
• M6: 3,029,656 km (0.06 R)
• M7: 3,651,086 km (0.076 R)
• M8: 4,902,472 km (0.093 R)
• M9: 5,876,504 km (0.118 R)
• M10: 7,309,202 km (0.082 R)
• M11: 7,842,818 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 13.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.31 AU - 1.73 AU

Year: 1294 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,132,696 km

• M1: 167,998 km (0.12 R)
• M2: 1,135,448 km (0.118 R)
• M3: 2,457,145 km (0.107 R)
• M4: 2,964,731 km (0.055 R)
• M5: 3,669,785 km (0.049 R)
• M6: 4,211,928 km (0.089 R)
• M7: 4,944,958 km (0.117 R)
• M8: 6,030,440 km (0.077 R)
• M9: 7,451,620 km (0.025 R)
• M10: 8,325,869 km (0.065 R)
• M11: 8,965,849 km (0.059 R)
• M12: 9,795,818 km (0.117 R)
• M13: 10,642,991 km (0.093 R)
• M14: 11,788,013 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.2

Radius: 5.9

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.02 AU - 6.32 AU

Year: 10579 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,132,696 km

• M1: 73,602 km (0.052 R)
• M2: 735,722 km (0.103 R)
• M3: 1,193,791 km (0.076 R)
• M4: 1,941,182 km (0.12 R)
• M5: 2,151,068 km (0.113 R)
• M6: 2,679,747 km (0.059 R)
• M7: 2,918,505 km (0.079 R)
• M8: 4,131,444 km (0.084 R)
• M9: 4,362,124 km (0.092 R)
• M10: 4,693,484 km (0.055 R)
• M11: 5,305,189 km (0.111 R)
• M12: 5,508,942 km (0.069 R)
• M13: 6,339,210 km (0.092 R)
• M14: 6,883,746 km (0.082 R)
• M15: 7,375,025 km (0.099 R)
• M16: 9,776,520 km (0.093 R)
• M17: 10,449,710 km (0.042 R)
• M18: 13,705,708 km (0.076 R)
• M19: 13,897,044 km (0.062 R)
• M20: 14,285,250 km (0.104 R)
• M21: 15,980,793 km (0.059 R)
• M22: 17,356,046 km (0.096 R)
• M23: 17,580,143 km (0.062 R)
• M24: 18,110,617 km (0.111 R)
• M25: 19,847,449 km (0.098 R)
• M26: 21,605,972 km (0.049 R)
• M27: 23,193,803 km (0.062 R)
• M28: 24,669,138 km (0.097 R)
• M29: 27,500,726 km (0.115 R)
• M30: 28,525,322 km (0.113 R)
• M31: 28,837,533 km (0.049 R)
• M32: 29,363,070 km (0.106 R)
• M33: 29,788,078 km (0.049 R)
• M34: 34,149,155 km (0.111 R)
• M35: 37,157,718 km (0.086 R)
• M36: 39,173,250 km (0.093 R)
• M37: 50,049,164 km (0.086 R)
• M38: 50,807,925 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.7

Radius: 5.4

Gravity: 33.25 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.95 AU - 8.09 AU

Year: 12839 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,132,696 km

• M1: 67,169 km (0.103 R)
• M2: 237,711 km (0.094 R)
• M3: 449,990 km (0.036 R)
• M4: 967,300 km (0.075 R)
• M5: 1,461,272 km (0.117 R)
• M6: 2,433,509 km (0.071 R)
• M7: 2,720,736 km (0.11 R)
• M8: 3,258,092 km (0.071 R)
• M9: 4,162,262 km (0.068 R)
• M10: 6,128,726 km (0.108 R)
• M11: 6,873,573 km (0.044 R)
• M12: 7,447,730 km (0.077 R)
• M13: 8,343,821 km (0.069 R)
• M14: 8,843,329 km (0.086 R)
• M15: 10,347,834 km (0.085 R)
• M16: 12,203,895 km (0.092 R)
• M17: 14,270,889 km (0.107 R)
• M18: 15,350,088 km (0.119 R)
• M19: 16,251,714 km (0.082 R)
• M20: 17,427,853 km (0.09 R)
• M21: 20,569,707 km (0.088 R)
• M22: 20,930,388 km (0.046 R)
• M23: 22,415,745 km (0.109 R)
• M24: 26,967,260 km (0.098 R)
• M25: 40,462,334 km (0.107 R)
• M26: 42,759,260 km (0.1 R)
• M27: 46,519,702 km (0.114 R)
• M28: 47,768,096 km (0.12 R)
• M29: 49,199,000 km (0.113 R)
• M30: 55,905,323 km (0.092 R)
• M31: 56,080,352 km (0.087 R)
• M32: 58,389,246 km (0.07 R)
• M33: 63,195,825 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.8

Radius: 8

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.02 AU - 7.06 AU

Year: 12893 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,132,696 km

• M1: 99,632 km (0.11 R)
• M2: 863,180 km (0.113 R)
• M3: 1,361,341 km (0.097 R)
• M4: 1,684,023 km (0.037 R)
• M5: 4,282,538 km (0.099 R)
• M6: 4,591,607 km (0.076 R)
• M7: 6,326,793 km (0.094 R)
• M8: 6,646,783 km (0.104 R)
• M9: 9,714,287 km (0.067 R)
• M10: 10,635,361 km (0.118 R)
• M11: 11,554,341 km (0.073 R)
• M12: 12,033,204 km (0.12 R)
• M13: 12,525,231 km (0.095 R)
• M14: 15,260,329 km (0.077 R)
• M15: 18,450,504 km (0.104 R)
• M16: 19,270,899 km (0.053 R)
• M17: 20,633,735 km (0.035 R)
• M18: 22,610,821 km (0.116 R)
• M19: 26,215,531 km (0.111 R)
• M20: 27,779,876 km (0.048 R)
• M21: 28,422,847 km (0.062 R)
• M22: 31,093,768 km (0.107 R)
• M23: 33,685,252 km (0.119 R)
• M24: 35,407,273 km (0.117 R)
• M25: 39,025,896 km (0.059 R)
• M26: 39,832,228 km (0.116 R)
• M27: 43,311,576 km (0.107 R)
• M28: 44,175,653 km (0.094 R)
• M29: 47,443,020 km (0.061 R)
• M30: 48,053,828 km (0.083 R)
• M31: 49,291,302 km (0.113 R)
• M32: 49,603,961 km (0.066 R)
• M33: 51,991,244 km (0.081 R)
• M34: 56,138,546 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.6

Radius: 7.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.87 AU - 11.45 AU

Year: 22354 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,132,696 km

• M1: 298,298 km (0.069 R)
• M2: 1,152,652 km (0.095 R)
• M3: 1,421,778 km (0.118 R)
• M4: 1,965,267 km (0.073 R)
• M5: 2,618,561 km (0.09 R)
• M6: 3,776,748 km (0.088 R)
• M7: 7,181,595 km (0.064 R)
• M8: 8,380,473 km (0.091 R)
• M9: 12,524,783 km (0.037 R)
• M10: 12,958,467 km (0.027 R)
• M11: 20,043,272 km (0.045 R)
• M12: 20,808,316 km (0.107 R)
• M13: 21,154,485 km (0.097 R)
• M14: 24,254,303 km (0.115 R)
• M15: 27,644,191 km (0.032 R)
• M16: 29,888,458 km (0.118 R)
• M17: 39,950,111 km (0.028 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit