🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 14.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,319,459 km

• M1: 176,525 km (0.089 R)
• M2: 633,397 km (0.112 R)
• M3: 1,188,555 km (0.083 R)
• M4: 1,741,319 km (0.083 R)
• M5: 2,211,505 km (0.116 R)
• M6: 2,889,932 km (0.109 R)
• M7: 3,580,775 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 9.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.31 AU - 1.75 AU

Year: 1262 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,319,459 km

• M1: 114,293 km (0.109 R)
• M2: 660,325 km (0.082 R)
• M3: 1,446,013 km (0.072 R)
• M4: 2,392,968 km (0.12 R)
• M5: 4,672,540 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 8.2

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.84 AU - 2.06 AU

Year: 1816 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,319,459 km

• M1: 102,026 km (0.057 R)
• M2: 358,885 km (0.12 R)
• M3: 819,946 km (0.061 R)
• M4: 1,077,853 km (0.029 R)
• M5: 1,518,269 km (0.107 R)
• M6: 1,937,592 km (0.099 R)
• M7: 2,367,985 km (0.051 R)
• M8: 2,774,143 km (0.104 R)
• M9: 5,798,264 km (0.071 R)
• M10: 7,092,734 km (0.071 R)
• M11: 7,535,843 km (0.081 R)
• M12: 9,008,634 km (0.073 R)
• M13: 9,396,691 km (0.069 R)
• M14: 9,661,629 km (0.11 R)
• M15: 10,276,027 km (0.066 R)
• M16: 11,246,020 km (0.077 R)
• M17: 11,696,310 km (0.081 R)
• M18: 12,197,462 km (0.12 R)
• M19: 13,367,318 km (0.097 R)
• M20: 14,086,883 km (0.091 R)
• M21: 14,346,885 km (0.113 R)
• M22: 15,056,128 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.93 AU - 3.11 AU

Year: 2668 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,319,459 km

• M1: 162,912 km (0.032 R)
• M2: 869,014 km (0.111 R)
• M3: 2,197,593 km (0.077 R)
• M4: 2,807,204 km (0.076 R)
• M5: 3,385,101 km (0.065 R)
• M6: 5,510,587 km (0.05 R)
• M7: 5,993,339 km (0.107 R)
• M8: 7,400,756 km (0.075 R)
• M9: 8,377,930 km (0.119 R)
• M10: 8,880,728 km (0.118 R)
• M11: 9,654,747 km (0.083 R)
• M12: 10,321,056 km (0.08 R)
• M13: 11,337,424 km (0.044 R)
• M14: 12,853,599 km (0.091 R)
• M15: 13,342,784 km (0.102 R)
• M16: 18,999,977 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 13.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.39 AU - 4.65 AU

Year: 5375 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,319,459 km

• M1: 169,195 km (0.102 R)
• M2: 1,049,728 km (0.091 R)
• M3: 1,653,655 km (0.104 R)
• M4: 2,096,465 km (0.035 R)
• M5: 2,568,446 km (0.118 R)
• M6: 3,073,339 km (0.095 R)
• M7: 3,516,298 km (0.042 R)
• M8: 4,025,380 km (0.068 R)
• M9: 5,165,465 km (0.117 R)
• M10: 6,706,622 km (0.097 R)
• M11: 8,535,905 km (0.066 R)
• M12: 8,970,636 km (0.106 R)
• M13: 9,970,848 km (0.053 R)
• M14: 11,324,110 km (0.098 R)
• M15: 13,053,910 km (0.114 R)
• M16: 13,525,891 km (0.098 R)
• M17: 14,448,611 km (0.048 R)
• M18: 15,412,769 km (0.079 R)
• M19: 16,419,563 km (0.08 R)
• M20: 17,723,159 km (0.086 R)
• M21: 18,172,701 km (0.108 R)
• M22: 19,840,717 km (0.031 R)
• M23: 20,960,457 km (0.112 R)
• M24: 21,391,149 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 11.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.03 AU - 5.07 AU

Year: 7568 Days

Day: 5.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,319,459 km

• M1: 138,079 km (0.118 R)
• M2: 505,342 km (0.102 R)
• M3: 1,052,421 km (0.118 R)
• M4: 1,583,942 km (0.113 R)
• M5: 2,136,407 km (0.097 R)
• M6: 2,584,902 km (0.075 R)
• M7: 2,999,886 km (0.101 R)
• M8: 4,082,077 km (0.109 R)
• M9: 4,520,848 km (0.091 R)
• M10: 5,265,995 km (0.088 R)
• M11: 6,122,442 km (0.117 R)
• M12: 6,732,203 km (0.068 R)
• M13: 7,103,356 km (0.091 R)
• M14: 8,846,769 km (0.044 R)
• M15: 11,276,837 km (0.093 R)
• M16: 12,798,397 km (0.054 R)
• M17: 13,212,334 km (0.097 R)
• M18: 22,805,747 km (0.083 R)
• M19: 25,714,528 km (0.063 R)
• M20: 27,300,415 km (0.08 R)
• M21: 28,950,629 km (0.04 R)
• M22: 30,850,671 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.5

Radius: 4

Gravity: 20.72 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.56 AU - 10.32 AU

Year: 17825 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,319,459 km

• M1: 49,816 km (0.102 R)
• M2: 293,511 km (0.034 R)
• M3: 441,015 km (0.086 R)
• M4: 599,139 km (0.065 R)
• M5: 813,812 km (0.092 R)
• M6: 944,860 km (0.101 R)
• M7: 1,149,809 km (0.071 R)
• M8: 2,379,205 km (0.06 R)
• M9: 2,564,706 km (0.062 R)
• M10: 3,011,555 km (0.082 R)
• M11: 3,667,541 km (0.107 R)
• M12: 4,057,842 km (0.098 R)
• M13: 4,694,381 km (0.087 R)
• M14: 5,222,162 km (0.075 R)
• M15: 6,048,840 km (0.036 R)
• M16: 7,126,244 km (0.072 R)
• M17: 7,253,402 km (0.095 R)
• M18: 7,643,853 km (0.076 R)
• M19: 8,609,357 km (0.098 R)
• M20: 9,966,509 km (0.089 R)
• M21: 11,059,322 km (0.097 R)
• M22: 13,033,116 km (0.076 R)
• M23: 19,583,708 km (0.104 R)
• M24: 23,090,282 km (0.08 R)
• M25: 24,506,375 km (0.051 R)
• M26: 33,518,749 km (0.026 R)
• M27: 35,948,967 km (0.111 R)
• M28: 39,280,362 km (0.119 R)
• M29: 42,393,942 km (0.059 R)
• M30: 44,367,587 km (0.075 R)
• M31: 46,254,166 km (0.096 R)
• M32: 52,553,582 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794

Radius: 5.1

Gravity: 30.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.32 AU - 11.24 AU

Year: 18852 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 31,319,459 km

• M1: 71,957 km (0.059 R)
• M2: 297,550 km (0.054 R)
• M3: 705,653 km (0.108 R)
• M4: 1,059,751 km (0.025 R)
• M5: 1,381,985 km (0.106 R)
• M6: 3,675,320 km (0.054 R)
• M7: 3,889,545 km (0.053 R)
• M8: 4,795,061 km (0.067 R)
• M9: 5,239,516 km (0.063 R)
• M10: 5,511,186 km (0.096 R)
• M11: 7,200,445 km (0.06 R)
• M12: 8,239,701 km (0.111 R)
• M13: 10,068,984 km (0.082 R)
• M14: 12,976,718 km (0.102 R)
• M15: 15,120,754 km (0.064 R)
• M16: 15,512,850 km (0.08 R)
• M17: 18,897,353 km (0.045 R)
• M18: 19,169,471 km (0.115 R)
• M19: 20,857,085 km (0.104 R)
• M20: 23,570,491 km (0.091 R)
• M21: 23,991,459 km (0.117 R)
• M22: 31,809,294 km (0.075 R)
• M23: 34,570,273 km (0.046 R)
• M24: 37,060,479 km (0.074 R)
• M25: 38,349,265 km (0.074 R)
• M26: 43,330,724 km (0.083 R)
• M27: 44,921,249 km (0.089 R)
• M28: 52,740,879 km (0.114 R)
• M29: 54,920,370 km (0.086 R)
• M30: 56,219,029 km (0.025 R)
• M31: 60,630,222 km (0.119 R)
• M32: 64,239,270 km (0.054 R)
• M33: 65,473,453 km (0.088 R)
• M34: 65,888,288 km (0.087 R)
• M35: 71,442,109 km (0.12 R)
• M36: 72,102,284 km (0.103 R)
• M37: 73,882,798 km (0.087 R)
• M38: 76,838,254 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.1

Radius: 4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.7 AU - 11.28 AU

Year: 21056 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,319,459 km

• M1: 53,257 km (0.113 R)
• M2: 211,681 km (0.04 R)
• M3: 550,221 km (0.108 R)
• M4: 728,841 km (0.077 R)
• M5: 1,103,434 km (0.076 R)
• M6: 1,947,764 km (0.119 R)
• M7: 3,639,267 km (0.115 R)
• M8: 3,888,497 km (0.097 R)
• M9: 5,139,584 km (0.101 R)
• M10: 5,659,736 km (0.096 R)
• M11: 6,277,875 km (0.087 R)
• M12: 6,905,887 km (0.114 R)
• M13: 7,358,869 km (0.099 R)
• M14: 10,821,312 km (0.09 R)
• M15: 12,415,277 km (0.119 R)
• M16: 15,466,924 km (0.079 R)
• M17: 16,791,164 km (0.081 R)
• M18: 17,227,840 km (0.104 R)
• M19: 18,319,905 km (0.098 R)
• M20: 25,609,659 km (0.046 R)
• M21: 26,859,550 km (0.079 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: 449 - 13,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit