🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.2

Radius: 8.7

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.88 AU - 1.44 AU

Year: 820 Days

Day: 11.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,739,789 km

• M1: 108,309 km (0.096 R)
• M2: 478,414 km (0.089 R)
• M3: 758,461 km (0.034 R)
• M4: 1,152,652 km (0.04 R)
• M5: 1,499,120 km (0.116 R)
• M6: 2,010,745 km (0.112 R)
• M7: 2,450,712 km (0.035 R)
• M8: 3,395,872 km (0.096 R)
• M9: 3,959,108 km (0.079 R)
• M10: 5,252,830 km (0.085 R)
• M11: 6,195,147 km (0.118 R)
• M12: 6,562,410 km (0.114 R)
• M13: 6,944,184 km (0.105 R)
• M14: 8,077,387 km (0.068 R)
• M15: 8,568,816 km (0.106 R)
• M16: 8,889,405 km (0.112 R)
• M17: 9,190,246 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 14.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.06 AU - 1.64 AU

Year: 1029 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,739,789 km

• M1: 184,005 km (0.111 R)
• M2: 825,930 km (0.111 R)
• M3: 1,351,617 km (0.038 R)
• M4: 1,951,504 km (0.036 R)
• M5: 2,473,900 km (0.042 R)
• M6: 3,249,864 km (0.025 R)
• M7: 4,481,503 km (0.098 R)
• M8: 5,046,983 km (0.081 R)
• M9: 5,659,886 km (0.097 R)
• M10: 7,630,539 km (0.1 R)
• M11: 8,440,611 km (0.089 R)
• M12: 8,948,197 km (0.092 R)
• M13: 9,419,580 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 14.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.01 AU - 2.21 AU

Year: 2011 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,739,789 km

• M1: 184,155 km (0.105 R)
• M2: 731,833 km (0.048 R)
• M3: 1,412,952 km (0.05 R)
• M4: 1,966,314 km (0.117 R)
• M5: 3,204,386 km (0.1 R)
• M6: 3,712,271 km (0.107 R)
• M7: 4,236,163 km (0.095 R)
• M8: 6,385,585 km (0.105 R)
• M9: 6,954,506 km (0.109 R)
• M10: 7,871,541 km (0.082 R)
• M11: 8,526,630 km (0.108 R)
• M12: 9,878,845 km (0.05 R)
• M13: 10,713,452 km (0.12 R)
• M14: 13,335,005 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 14.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.45 AU - 5.23 AU

Year: 6985 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,739,789 km

• M1: 175,478 km (0.064 R)
• M2: 725,250 km (0.102 R)
• M3: 1,835,416 km (0.095 R)
• M4: 2,323,105 km (0.117 R)
• M5: 3,056,135 km (0.106 R)
• M6: 4,061,133 km (0.113 R)
• M7: 4,708,892 km (0.047 R)
• M8: 5,920,785 km (0.117 R)
• M9: 6,548,796 km (0.063 R)
• M10: 7,331,343 km (0.115 R)
• M11: 10,808,895 km (0.058 R)
• M12: 11,247,815 km (0.055 R)
• M13: 15,080,961 km (0.092 R)
• M14: 22,582,995 km (0.098 R)
• M15: 29,146,901 km (0.111 R)
• M16: 30,674,744 km (0.117 R)
• M17: 33,889,752 km (0.12 R)
• M18: 34,938,882 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.2

Radius: 8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.29 AU - 7.87 AU

Year: 12358 Days

Day: 24.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,739,789 km

• M1: 100,829 km (0.033 R)
• M2: 639,680 km (0.101 R)
• M3: 931,696 km (0.097 R)
• M4: 1,440,478 km (0.113 R)
• M5: 2,038,121 km (0.094 R)
• M6: 3,348,898 km (0.079 R)
• M7: 4,005,333 km (0.062 R)
• M8: 5,147,214 km (0.112 R)
• M9: 7,027,958 km (0.077 R)
• M10: 7,469,272 km (0.06 R)
• M11: 8,540,991 km (0.109 R)
• M12: 10,208,858 km (0.049 R)
• M13: 13,012,172 km (0.077 R)
• M14: 17,861,387 km (0.051 R)
• M15: 24,880,519 km (0.118 R)
• M16: 25,905,115 km (0.12 R)
• M17: 29,558,295 km (0.082 R)
• M18: 35,601,900 km (0.084 R)
• M19: 38,356,146 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.7

Radius: 6.5

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.13 AU - 9.47 AU

Year: 17125 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,739,789 km

• M1: 83,625 km (0.111 R)
• M2: 412,441 km (0.076 R)
• M3: 769,980 km (0.088 R)
• M4: 1,087,427 km (0.118 R)
• M5: 1,350,719 km (0.095 R)
• M6: 1,744,012 km (0.104 R)
• M7: 3,308,357 km (0.05 R)
• M8: 4,519,651 km (0.046 R)
• M9: 4,982,207 km (0.092 R)
• M10: 7,584,014 km (0.104 R)
• M11: 7,830,850 km (0.106 R)
• M12: 8,134,085 km (0.104 R)
• M13: 8,872,051 km (0.094 R)
• M14: 17,040,095 km (0.055 R)
• M15: 18,244,956 km (0.067 R)
• M16: 18,510,343 km (0.092 R)
• M17: 20,726,935 km (0.034 R)
• M18: 22,501,315 km (0.046 R)
• M19: 22,704,618 km (0.03 R)
• M20: 28,785,173 km (0.031 R)
• M21: 31,114,712 km (0.075 R)
• M22: 34,367,568 km (0.103 R)
• M23: 35,729,806 km (0.036 R)
• M24: 41,539,439 km (0.087 R)
• M25: 42,152,790 km (0.088 R)
• M26: 44,029,346 km (0.066 R)
• M27: 45,310,951 km (0.113 R)
• M28: 45,960,954 km (0.092 R)
• M29: 46,782,097 km (0.084 R)
• M30: 47,948,212 km (0.058 R)
• M31: 51,386,569 km (0.1 R)
• M32: 58,557,095 km (0.099 R)
• M33: 66,994,564 km (0.096 R)
• M34: 69,761,526 km (0.12 R)
• M35: 76,435,835 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.3

Radius: 5.7

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.53 AU - 10.27 AU

Year: 20434 Days

Day: 21 Hours

Environment

Temp: -239 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,739,789 km

• M1: 70,909 km (0.089 R)
• M2: 283,338 km (0.105 R)
• M3: 743,801 km (0.074 R)
• M4: 1,333,366 km (0.09 R)
• M5: 2,112,472 km (0.086 R)
• M6: 2,299,170 km (0.117 R)
• M7: 2,730,161 km (0.112 R)
• M8: 3,186,584 km (0.108 R)
• M9: 4,027,025 km (0.12 R)
• M10: 7,236,797 km (0.081 R)
• M11: 12,696,521 km (0.063 R)
• M12: 14,619,302 km (0.097 R)
• M13: 16,323,222 km (0.111 R)
• M14: 16,565,421 km (0.059 R)
• M15: 16,974,272 km (0.078 R)
• M16: 17,473,929 km (0.111 R)
• M17: 18,069,029 km (0.044 R)
• M18: 25,103,271 km (0.102 R)
• M19: 27,081,553 km (0.075 R)
• M20: 27,763,420 km (0.114 R)
• M21: 29,279,894 km (0.12 R)
• M22: 33,117,528 km (0.06 R)
• M23: 55,012,822 km (0.102 R)
• M24: 60,814,526 km (0.118 R)
• M25: 63,165,756 km (0.115 R)
• M26: 64,162,976 km (0.093 R)
• M27: 72,087,773 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit