🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 12.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 370 Days

Day: 12.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,122,022 km

• M1: 150,495 km (0.097 R)
• M2: 577,897 km (0.079 R)
• M3: 992,133 km (0.083 R)
• M4: 1,529,937 km (0.055 R)
• M5: 1,967,810 km (0.113 R)
• M6: 2,367,985 km (0.114 R)
• M7: 3,134,225 km (0.111 R)
• M8: 4,185,150 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 14.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.74 AU - 0.78 AU

Year: 428 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,122,022 km

• M1: 181,163 km (0.043 R)
• M2: 777,011 km (0.067 R)
• M3: 2,072,678 km (0.116 R)
• M4: 2,536,881 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 11.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.6 AU - 1.96 AU

Year: 1533 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,122,022 km

• M1: 139,276 km (0.103 R)
• M2: 522,994 km (0.107 R)
• M3: 924,365 km (0.115 R)
• M4: 1,386,024 km (0.081 R)
• M5: 1,784,254 km (0.119 R)
• M6: 2,993,603 km (0.119 R)
• M7: 3,756,702 km (0.117 R)
• M8: 5,415,593 km (0.051 R)
• M9: 7,773,853 km (0.063 R)
• M10: 8,610,255 km (0.1 R)
• M11: 9,211,339 km (0.119 R)
• M12: 9,772,780 km (0.106 R)
• M13: 10,603,946 km (0.09 R)
• M14: 11,257,838 km (0.077 R)
• M15: 11,670,429 km (0.119 R)
• M16: 12,054,447 km (0.117 R)
• M17: 13,760,012 km (0.076 R)
• M18: 15,345,301 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.72 AU - 3.58 AU

Year: 3610 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,122,022 km

• M1: 194,477 km (0.037 R)
• M2: 1,158,636 km (0.102 R)
• M3: 1,910,664 km (0.112 R)
• M4: 2,991,808 km (0.113 R)
• M5: 4,310,513 km (0.113 R)
• M6: 5,140,632 km (0.097 R)
• M7: 7,516,395 km (0.029 R)
• M8: 12,625,013 km (0.118 R)
• M9: 13,556,709 km (0.062 R)
• M10: 14,533,732 km (0.04 R)
• M11: 15,120,605 km (0.12 R)
• M12: 19,297,078 km (0.117 R)
• M13: 20,867,407 km (0.101 R)
• M14: 22,310,129 km (0.041 R)
• M15: 24,635,029 km (0.09 R)
• M16: 25,778,705 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 9.6

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.89 AU - 4.57 AU

Year: 5617 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,122,022 km

• M1: 119,379 km (0.115 R)
• M2: 595,250 km (0.079 R)
• M3: 1,349,522 km (0.081 R)
• M4: 2,469,711 km (0.073 R)
• M5: 3,490,418 km (0.056 R)
• M6: 3,879,073 km (0.118 R)
• M7: 4,220,605 km (0.084 R)
• M8: 4,689,444 km (0.065 R)
• M9: 5,250,736 km (0.118 R)
• M10: 6,373,617 km (0.081 R)
• M11: 7,800,781 km (0.059 R)
• M12: 8,228,182 km (0.094 R)
• M13: 10,888,331 km (0.102 R)
• M14: 12,282,584 km (0.119 R)
• M15: 16,853,995 km (0.114 R)
• M16: 18,508,697 km (0.042 R)
• M17: 20,781,239 km (0.071 R)
• M18: 22,292,476 km (0.055 R)
• M19: 22,681,580 km (0.04 R)
• M20: 25,111,349 km (0.087 R)
• M21: 26,737,029 km (0.115 R)
• M22: 28,797,441 km (0.039 R)
• M23: 33,231,970 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 9.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.84 AU - 5.02 AU

Year: 6020 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,122,022 km

• M1: 123,119 km (0.096 R)
• M2: 505,342 km (0.108 R)
• M3: 856,448 km (0.036 R)
• M4: 1,452,147 km (0.091 R)
• M5: 1,765,105 km (0.098 R)
• M6: 2,228,410 km (0.05 R)
• M7: 2,807,204 km (0.063 R)
• M8: 3,421,602 km (0.055 R)
• M9: 4,193,528 km (0.06 R)
• M10: 4,533,264 km (0.106 R)
• M11: 5,323,739 km (0.104 R)
• M12: 6,234,342 km (0.111 R)
• M13: 6,941,341 km (0.046 R)
• M14: 10,621,000 km (0.095 R)
• M15: 11,071,589 km (0.102 R)
• M16: 11,914,573 km (0.091 R)
• M17: 12,499,949 km (0.083 R)
• M18: 13,258,560 km (0.104 R)
• M19: 13,622,980 km (0.096 R)
• M20: 14,811,835 km (0.114 R)
• M21: 15,951,471 km (0.065 R)
• M22: 19,923,744 km (0.119 R)
• M23: 22,466,608 km (0.091 R)
• M24: 23,663,242 km (0.109 R)
• M25: 24,823,373 km (0.093 R)
• M26: 25,617,439 km (0.079 R)
• M27: 26,264,898 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 13

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.75 AU - 4.81 AU

Year: 6748 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,122,022 km

• M1: 162,014 km (0.074 R)
• M2: 600,635 km (0.056 R)
• M3: 1,313,918 km (0.08 R)
• M4: 1,999,076 km (0.073 R)
• M5: 3,332,293 km (0.109 R)
• M6: 4,589,812 km (0.119 R)
• M7: 5,748,897 km (0.107 R)
• M8: 6,874,621 km (0.118 R)
• M9: 8,767,632 km (0.096 R)
• M10: 12,496,509 km (0.082 R)
• M11: 12,936,326 km (0.093 R)
• M12: 13,500,609 km (0.08 R)
• M13: 15,168,626 km (0.085 R)
• M14: 16,116,777 km (0.071 R)
• M15: 17,578,498 km (0.104 R)
• M16: 19,344,800 km (0.078 R)
• M17: 20,840,928 km (0.107 R)
• M18: 25,439,417 km (0.104 R)
• M19: 26,058,004 km (0.11 R)
• M20: 27,602,303 km (0.074 R)
• M21: 29,787,778 km (0.04 R)
• M22: 33,121,567 km (0.07 R)
• M23: 34,072,261 km (0.085 R)
• M24: 34,608,271 km (0.096 R)
• M25: 36,138,956 km (0.059 R)
• M26: 37,943,106 km (0.098 R)
• M27: 38,634,996 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.6

Radius: 4.9

Gravity: 23.64 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.58 AU - 6.72 AU

Year: 9848 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,122,022 km

• M1: 60,886 km (0.081 R)
• M2: 246,687 km (0.112 R)
• M3: 547,827 km (0.034 R)
• M4: 898,485 km (0.102 R)
• M5: 1,215,034 km (0.091 R)
• M6: 1,920,238 km (0.076 R)
• M7: 2,640,253 km (0.083 R)
• M8: 3,017,239 km (0.093 R)
• M9: 3,453,018 km (0.119 R)
• M10: 3,673,675 km (0.045 R)
• M11: 4,197,716 km (0.045 R)
• M12: 4,420,916 km (0.103 R)
• M13: 4,770,227 km (0.107 R)
• M14: 4,982,507 km (0.084 R)
• M15: 5,200,920 km (0.038 R)
• M16: 6,875,518 km (0.098 R)
• M17: 8,609,657 km (0.049 R)
• M18: 9,529,833 km (0.115 R)
• M19: 10,462,875 km (0.117 R)
• M20: 10,718,239 km (0.103 R)
• M21: 11,030,150 km (0.073 R)
• M22: 12,739,007 km (0.096 R)
• M23: 12,913,139 km (0.071 R)
• M24: 14,553,330 km (0.063 R)
• M25: 15,787,512 km (0.042 R)
• M26: 19,137,008 km (0.109 R)
• M27: 19,673,317 km (0.075 R)
• M28: 21,423,911 km (0.095 R)
• M29: 22,505,653 km (0.061 R)
• M30: 24,062,967 km (0.055 R)
• M31: 27,102,048 km (0.115 R)
• M32: 28,366,449 km (0.034 R)
• M33: 30,698,680 km (0.074 R)
• M34: 32,502,531 km (0.114 R)
• M35: 38,456,975 km (0.116 R)
• M36: 40,550,747 km (0.067 R)
• M37: 41,817,392 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.4

Radius: 7.4

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.61 AU - 7.83 AU

Year: 13850 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,122,022 km

• M1: 92,152 km (0.049 R)
• M2: 375,790 km (0.041 R)
• M3: 734,675 km (0.119 R)
• M4: 1,145,022 km (0.107 R)
• M5: 1,604,886 km (0.086 R)
• M6: 2,124,589 km (0.025 R)
• M7: 3,337,080 km (0.05 R)
• M8: 4,622,425 km (0.036 R)
• M9: 5,304,292 km (0.094 R)
• M10: 5,782,257 km (0.108 R)
• M11: 6,782,019 km (0.096 R)
• M12: 8,128,251 km (0.094 R)
• M13: 8,663,811 km (0.102 R)
• M14: 9,222,709 km (0.031 R)
• M15: 10,811,289 km (0.071 R)
• M16: 11,700,947 km (0.05 R)
• M17: 13,026,983 km (0.083 R)
• M18: 13,828,229 km (0.078 R)
• M19: 15,528,708 km (0.08 R)
• M20: 21,095,993 km (0.118 R)
• M21: 25,126,309 km (0.104 R)
• M22: 25,741,006 km (0.077 R)
• M23: 29,869,459 km (0.031 R)
• M24: 38,051,864 km (0.071 R)
• M25: 40,378,111 km (0.047 R)
• M26: 61,012,145 km (0.081 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: 380 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit