🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 13.4

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,654,211 km

• M1: 167,849 km (0.068 R)
• M2: 606,320 km (0.106 R)
• M3: 1,115,402 km (0.071 R)
• M4: 1,775,577 km (0.043 R)
• M5: 2,192,955 km (0.076 R)
• M6: 2,616,616 km (0.091 R)
• M7: 3,061,670 km (0.091 R)
• M8: 3,532,754 km (0.105 R)
• M9: 4,107,210 km (0.054 R)
• M10: 5,022,300 km (0.055 R)
• M11: 5,545,743 km (0.067 R)

Asteroid Belt

Center: 1.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 9.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.37 AU - 1.59 AU

Year: 1181 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,654,211 km

• M1: 120,576 km (0.094 R)
• M2: 433,086 km (0.067 R)
• M3: 887,265 km (0.087 R)
• M4: 1,310,777 km (0.057 R)
• M5: 1,699,731 km (0.105 R)
• M6: 2,026,752 km (0.095 R)
• M7: 2,871,382 km (0.063 R)
• M8: 3,422,650 km (0.053 R)
• M9: 4,249,776 km (0.091 R)
• M10: 5,204,510 km (0.045 R)
• M11: 5,862,741 km (0.112 R)
• M12: 6,684,930 km (0.1 R)
• M13: 8,248,677 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 13.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.36 AU - 1.94 AU

Year: 1390 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,654,211 km

• M1: 167,849 km (0.115 R)
• M2: 751,580 km (0.117 R)
• M3: 1,612,515 km (0.085 R)
• M4: 2,121,747 km (0.112 R)
• M5: 2,586,248 km (0.112 R)
• M6: 3,473,214 km (0.102 R)
• M7: 4,125,012 km (0.066 R)
• M8: 4,628,708 km (0.089 R)
• M9: 5,214,234 km (0.111 R)
• M10: 6,230,751 km (0.092 R)
• M11: 6,946,128 km (0.074 R)
• M12: 8,684,605 km (0.096 R)
• M13: 9,984,311 km (0.103 R)
• M14: 11,375,272 km (0.095 R)
• M15: 11,795,493 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.1

Radius: 9.3

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.31 AU - 3.15 AU

Year: 2959 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,654,211 km

• M1: 115,789 km (0.106 R)
• M2: 567,724 km (0.043 R)
• M3: 1,472,193 km (0.071 R)
• M4: 2,080,458 km (0.048 R)
• M5: 2,588,941 km (0.099 R)
• M6: 3,232,660 km (0.091 R)
• M7: 4,764,991 km (0.07 R)
• M8: 5,182,220 km (0.07 R)
• M9: 5,597,055 km (0.096 R)
• M10: 5,978,081 km (0.109 R)
• M11: 7,514,899 km (0.067 R)
• M12: 8,322,728 km (0.094 R)
• M13: 9,112,904 km (0.115 R)
• M14: 9,641,284 km (0.089 R)
• M15: 11,009,655 km (0.067 R)
• M16: 12,006,127 km (0.118 R)
• M17: 18,317,661 km (0.093 R)
• M18: 22,242,062 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 10.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.14 AU - 3.22 AU

Year: 3720 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,654,211 km

• M1: 129,402 km (0.119 R)
• M2: 553,363 km (0.092 R)
• M3: 1,137,393 km (0.101 R)
• M4: 1,712,596 km (0.108 R)
• M5: 3,025,767 km (0.063 R)
• M6: 3,464,238 km (0.08 R)
• M7: 5,039,803 km (0.118 R)
• M8: 7,140,606 km (0.111 R)
• M9: 7,524,025 km (0.11 R)
• M10: 9,537,463 km (0.107 R)
• M11: 11,319,921 km (0.11 R)
• M12: 12,020,039 km (0.112 R)
• M13: 16,123,958 km (0.062 R)
• M14: 17,408,106 km (0.113 R)
• M15: 18,519,468 km (0.049 R)
• M16: 19,615,273 km (0.075 R)
• M17: 20,052,847 km (0.105 R)
• M18: 21,339,239 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 15

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.88 AU - 4.76 AU

Year: 4898 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,654,211 km

• M1: 186,698 km (0.053 R)
• M2: 781,649 km (0.027 R)
• M3: 1,396,646 km (0.098 R)
• M4: 2,149,871 km (0.038 R)
• M5: 2,972,510 km (0.099 R)
• M6: 3,682,950 km (0.083 R)
• M7: 4,479,858 km (0.086 R)
• M8: 5,164,866 km (0.039 R)
• M9: 5,798,563 km (0.105 R)
• M10: 6,812,837 km (0.116 R)
• M11: 9,400,581 km (0.11 R)
• M12: 10,171,608 km (0.081 R)
• M13: 10,800,069 km (0.097 R)
• M14: 11,502,281 km (0.061 R)
• M15: 12,998,110 km (0.096 R)
• M16: 13,631,508 km (0.108 R)
• M17: 14,846,392 km (0.097 R)
• M18: 15,774,497 km (0.098 R)
• M19: 18,725,465 km (0.055 R)
• M20: 20,226,081 km (0.079 R)
• M21: 20,933,978 km (0.055 R)
• M22: 22,027,090 km (0.114 R)
• M23: 22,701,028 km (0.097 R)
• M24: 24,805,571 km (0.11 R)
• M25: 26,698,433 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.4

Radius: 7.7

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.64 AU - 6.48 AU

Year: 9786 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,654,211 km

• M1: 95,743 km (0.064 R)
• M2: 569,369 km (0.097 R)
• M3: 1,265,299 km (0.066 R)
• M4: 1,931,458 km (0.101 R)
• M5: 2,324,901 km (0.09 R)
• M6: 2,938,850 km (0.026 R)
• M7: 3,249,565 km (0.098 R)
• M8: 5,565,340 km (0.042 R)
• M9: 6,924,137 km (0.108 R)
• M10: 7,888,595 km (0.117 R)
• M11: 8,713,627 km (0.092 R)
• M12: 9,077,748 km (0.103 R)
• M13: 9,594,908 km (0.084 R)
• M14: 10,636,558 km (0.077 R)
• M15: 12,028,417 km (0.098 R)
• M16: 12,710,134 km (0.102 R)
• M17: 15,104,149 km (0.12 R)
• M18: 16,236,007 km (0.072 R)
• M19: 16,997,759 km (0.092 R)
• M20: 17,566,680 km (0.098 R)
• M21: 17,928,706 km (0.094 R)
• M22: 18,592,622 km (0.111 R)
• M23: 19,503,523 km (0.087 R)
• M24: 22,583,893 km (0.05 R)
• M25: 23,358,212 km (0.087 R)
• M26: 23,796,084 km (0.102 R)
• M27: 24,959,956 km (0.092 R)
• M28: 33,300,187 km (0.108 R)
• M29: 36,368,589 km (0.087 R)
• M30: 36,838,625 km (0.099 R)
• M31: 37,312,851 km (0.077 R)
• M32: 38,152,244 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.7

Radius: 4.5

Gravity: 44.82 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.4 AU - 11.04 AU

Year: 18366 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,654,211 km

• M1: 55,950 km (0.076 R)
• M2: 301,440 km (0.074 R)
• M3: 539,450 km (0.085 R)
• M4: 818,450 km (0.094 R)
• M5: 1,119,590 km (0.09 R)
• M6: 1,411,007 km (0.046 R)
• M7: 1,980,227 km (0.085 R)
• M8: 2,739,586 km (0.119 R)
• M9: 3,212,165 km (0.116 R)
• M10: 3,381,211 km (0.083 R)
• M11: 5,181,771 km (0.107 R)
• M12: 7,102,907 km (0.085 R)
• M13: 7,636,074 km (0.087 R)
• M14: 8,091,749 km (0.046 R)
• M15: 8,352,648 km (0.111 R)
• M16: 8,565,376 km (0.101 R)
• M17: 11,214,156 km (0.104 R)
• M18: 12,479,903 km (0.102 R)
• M19: 12,828,317 km (0.039 R)
• M20: 13,183,013 km (0.111 R)
• M21: 15,370,882 km (0.108 R)
• M22: 17,183,859 km (0.106 R)
• M23: 17,789,281 km (0.114 R)
• M24: 18,769,297 km (0.115 R)
• M25: 23,154,459 km (0.105 R)
• M26: 24,213,911 km (0.114 R)
• M27: 29,628,307 km (0.079 R)
• M28: 30,123,177 km (0.102 R)
• M29: 32,549,654 km (0.091 R)
• M30: 43,241,713 km (0.101 R)
• M31: 44,682,790 km (0.027 R)
• M32: 47,660,685 km (0.048 R)
• M33: 54,007,973 km (0.051 R)
• M34: 54,931,740 km (0.092 R)
• M35: 56,054,173 km (0.086 R)
• M36: 58,151,535 km (0.119 R)
• M37: 60,696,942 km (0.078 R)
• M38: 67,277,005 km (0.065 R)
• M39: 69,862,056 km (0.094 R)
• M40: 73,410,966 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.1

Radius: 4.4

Gravity: 49.75 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.1 AU - 12.2 AU

Year: 21213 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,654,211 km

• M1: 54,753 km (0.112 R)
• M2: 319,242 km (0.038 R)
• M3: 742,454 km (0.04 R)
• M4: 1,175,390 km (0.099 R)
• M5: 2,668,676 km (0.1 R)
• M6: 2,877,066 km (0.08 R)
• M7: 3,238,794 km (0.106 R)
• M8: 3,661,408 km (0.108 R)
• M9: 3,821,029 km (0.057 R)
• M10: 6,296,126 km (0.083 R)
• M11: 10,997,239 km (0.064 R)
• M12: 14,318,311 km (0.114 R)
• M13: 14,956,795 km (0.099 R)
• M14: 15,283,218 km (0.054 R)
• M15: 18,436,890 km (0.099 R)
• M16: 20,865,462 km (0.114 R)
• M17: 24,838,333 km (0.103 R)
• M18: 27,668,126 km (0.114 R)
• M19: 31,232,445 km (0.052 R)
• M20: 35,378,251 km (0.094 R)
• M21: 37,134,380 km (0.076 R)
• M22: 39,720,479 km (0.12 R)
• M23: 54,274,107 km (0.095 R)
• M24: 62,514,557 km (0.062 R)
• M25: 70,861,519 km (0.102 R)
• M26: 77,952,907 km (0.075 R)
• M27: 86,022,665 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 12,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit