🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 8.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.7 AU - 0.92 AU

Year: 503 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,345,174 km

• M1: 115,190 km (0.112 R)
• M2: 499,358 km (0.086 R)
• M3: 792,270 km (0.068 R)
• M4: 1,568,534 km (0.11 R)
• M5: 4,078,188 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 13.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.97 AU - 1.27 AU

Year: 818 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,345,174 km

• M1: 173,982 km (0.117 R)
• M2: 626,067 km (0.107 R)
• M3: 1,278,613 km (0.104 R)
• M4: 2,249,054 km (0.058 R)
• M5: 3,138,863 km (0.115 R)
• M6: 4,360,928 km (0.114 R)
• M7: 6,498,532 km (0.116 R)
• M8: 6,985,622 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.4

Radius: 12.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.01 AU - 1.39 AU

Year: 907 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,345,174 km

• M1: 162,164 km (0.1 R)
• M2: 569,818 km (0.036 R)
• M3: 1,004,400 km (0.102 R)
• M4: 2,155,855 km (0.057 R)
• M5: 3,027,711 km (0.097 R)
• M6: 3,435,366 km (0.11 R)
• M7: 3,925,149 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 13.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.19 AU - 1.39 AU

Year: 1011 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,345,174 km

• M1: 166,802 km (0.082 R)
• M2: 601,832 km (0.072 R)
• M3: 1,053,319 km (0.098 R)
• M4: 1,511,836 km (0.08 R)
• M5: 2,078,513 km (0.057 R)
• M6: 2,629,931 km (0.027 R)
• M7: 3,067,056 km (0.106 R)
• M8: 3,675,620 km (0.114 R)
• M9: 4,180,363 km (0.05 R)
• M10: 5,999,024 km (0.074 R)
• M11: 6,955,703 km (0.108 R)
• M12: 7,847,904 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 10.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.15 AU - 3.58 AU

Year: 3339 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,345,174 km

• M1: 130,599 km (0.072 R)
• M2: 463,903 km (0.059 R)
• M3: 995,275 km (0.104 R)
• M4: 2,338,364 km (0.093 R)
• M5: 3,228,322 km (0.115 R)
• M6: 4,372,596 km (0.06 R)
• M7: 5,193,140 km (0.087 R)
• M8: 5,717,182 km (0.097 R)
• M9: 6,194,399 km (0.06 R)
• M10: 6,640,649 km (0.032 R)
• M11: 7,048,603 km (0.111 R)
• M12: 7,979,401 km (0.103 R)
• M13: 8,508,379 km (0.084 R)
• M14: 9,060,694 km (0.075 R)
• M15: 9,453,987 km (0.114 R)
• M16: 10,275,130 km (0.078 R)
• M17: 10,782,267 km (0.084 R)
• M18: 11,678,507 km (0.062 R)
• M19: 12,102,019 km (0.113 R)
• M20: 12,491,871 km (0.075 R)
• M21: 14,135,952 km (0.075 R)
• M22: 15,868,295 km (0.032 R)
• M23: 17,189,394 km (0.055 R)
• M24: 19,218,539 km (0.099 R)
• M25: 19,630,981 km (0.081 R)
• M26: 20,049,256 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.2

Radius: 8.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.41 AU - 3.91 AU

Year: 3877 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,345,174 km

• M1: 106,962 km (0.107 R)
• M2: 442,361 km (0.067 R)
• M3: 877,691 km (0.077 R)
• M4: 1,391,111 km (0.077 R)
• M5: 1,857,407 km (0.116 R)
• M6: 2,190,562 km (0.106 R)
• M7: 2,470,310 km (0.103 R)
• M8: 2,961,290 km (0.045 R)
• M9: 3,675,021 km (0.081 R)
• M10: 4,072,652 km (0.058 R)
• M11: 4,687,051 km (0.089 R)
• M12: 4,954,532 km (0.052 R)
• M13: 5,440,575 km (0.097 R)
• M14: 6,157,000 km (0.096 R)
• M15: 7,676,166 km (0.094 R)
• M16: 9,740,317 km (0.086 R)
• M17: 10,711,058 km (0.092 R)
• M18: 12,609,305 km (0.09 R)
• M19: 12,938,421 km (0.093 R)
• M20: 14,261,315 km (0.098 R)
• M21: 15,780,481 km (0.085 R)
• M22: 16,273,107 km (0.095 R)
• M23: 16,945,699 km (0.083 R)
• M24: 17,989,443 km (0.059 R)
• M25: 20,461,249 km (0.094 R)
• M26: 23,011,144 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.3

Radius: 4.1

Gravity: 22.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.72 AU - 8.14 AU

Year: 12592 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,345,174 km

• M1: 51,910 km (0.056 R)
• M2: 245,041 km (0.069 R)
• M3: 416,181 km (0.054 R)
• M4: 682,017 km (0.119 R)
• M5: 816,804 km (0.096 R)
• M6: 959,521 km (0.069 R)
• M7: 1,234,781 km (0.101 R)
• M8: 1,477,728 km (0.069 R)
• M9: 1,647,073 km (0.062 R)
• M10: 2,093,173 km (0.11 R)
• M11: 2,363,048 km (0.118 R)
• M12: 2,555,580 km (0.115 R)
• M13: 2,717,146 km (0.099 R)
• M14: 3,834,193 km (0.114 R)
• M15: 4,210,432 km (0.085 R)
• M16: 4,699,916 km (0.096 R)
• M17: 5,790,934 km (0.088 R)
• M18: 6,177,494 km (0.062 R)
• M19: 6,432,110 km (0.087 R)
• M20: 6,808,199 km (0.069 R)
• M21: 7,854,337 km (0.116 R)
• M22: 8,819,542 km (0.042 R)
• M23: 9,049,474 km (0.084 R)
• M24: 9,617,647 km (0.046 R)
• M25: 10,259,572 km (0.099 R)
• M26: 11,793,698 km (0.058 R)
• M27: 12,760,848 km (0.05 R)
• M28: 16,805,675 km (0.105 R)
• M29: 17,445,505 km (0.095 R)
• M30: 17,734,977 km (0.065 R)
• M31: 18,398,145 km (0.101 R)
• M32: 23,333,977 km (0.094 R)
• M33: 23,509,305 km (0.093 R)
• M34: 27,202,129 km (0.071 R)
• M35: 33,215,814 km (0.045 R)
• M36: 33,437,667 km (0.079 R)
• M37: 38,694,088 km (0.076 R)
• M38: 45,287,015 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.3

Radius: 6.3

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.04 AU - 9.36 AU

Year: 16208 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,345,174 km

• M1: 83,176 km (0.096 R)
• M2: 285,882 km (0.065 R)
• M3: 525,238 km (0.113 R)
• M4: 953,836 km (0.117 R)
• M5: 1,331,720 km (0.117 R)
• M6: 2,109,180 km (0.107 R)
• M7: 2,937,354 km (0.103 R)
• M8: 3,935,471 km (0.112 R)
• M9: 4,323,827 km (0.052 R)
• M10: 4,770,377 km (0.093 R)
• M11: 6,578,118 km (0.089 R)
• M12: 8,358,332 km (0.08 R)
• M13: 12,143,906 km (0.105 R)
• M14: 12,773,265 km (0.066 R)
• M15: 13,825,087 km (0.096 R)
• M16: 14,234,088 km (0.092 R)
• M17: 15,655,866 km (0.078 R)
• M18: 16,552,855 km (0.111 R)
• M19: 17,247,737 km (0.104 R)
• M20: 18,695,695 km (0.109 R)
• M21: 20,310,005 km (0.052 R)
• M22: 26,743,462 km (0.075 R)
• M23: 31,634,415 km (0.11 R)
• M24: 36,311,442 km (0.107 R)
• M25: 38,679,427 km (0.111 R)
• M26: 41,711,028 km (0.087 R)
• M27: 49,657,218 km (0.075 R)
• M28: 51,749,643 km (0.044 R)
• M29: 52,900,201 km (0.093 R)
• M30: 55,937,187 km (0.092 R)
• M31: 56,627,581 km (0.11 R)
• M32: 58,378,175 km (0.113 R)
• M33: 59,088,466 km (0.104 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: 272 - 15,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit