🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.2

Radius: 14

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.47 AU - 1.65 AU

Year: 1258 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,858,797 km

• M1: 174,132 km (0.119 R)
• M2: 699,071 km (0.077 R)
• M3: 1,342,940 km (0.083 R)
• M4: 1,986,211 km (0.11 R)
• M5: 2,996,894 km (0.096 R)
• M6: 4,126,508 km (0.118 R)
• M7: 6,402,340 km (0.096 R)
• M8: 7,126,843 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.7

Radius: 11

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.17 AU - 3.21 AU

Year: 3679 Days

Day: 13 Hours

Environment

Temp: -208 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,858,797 km

• M1: 136,882 km (0.109 R)
• M2: 704,606 km (0.078 R)
• M3: 1,449,903 km (0.081 R)
• M4: 2,608,837 km (0.04 R)
• M5: 4,152,089 km (0.116 R)
• M6: 4,498,857 km (0.066 R)
• M7: 5,588,378 km (0.113 R)
• M8: 6,432,559 km (0.103 R)
• M9: 7,221,987 km (0.072 R)
• M10: 8,133,786 km (0.073 R)
• M11: 11,443,639 km (0.085 R)
• M12: 12,051,904 km (0.11 R)
• M13: 13,127,363 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.19 AU - 5.07 AU

Year: 6433 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,858,797 km

• M1: 120,875 km (0.101 R)
• M2: 1,187,209 km (0.107 R)
• M3: 2,835,029 km (0.117 R)
• M4: 3,140,807 km (0.084 R)
• M5: 3,685,344 km (0.119 R)
• M6: 5,583,142 km (0.114 R)
• M7: 5,912,557 km (0.109 R)
• M8: 8,793,512 km (0.071 R)
• M9: 9,076,103 km (0.112 R)
• M10: 10,223,668 km (0.107 R)
• M11: 12,548,868 km (0.071 R)
• M12: 18,743,117 km (0.109 R)
• M13: 19,689,174 km (0.107 R)
• M14: 25,961,962 km (0.105 R)
• M15: 28,171,673 km (0.094 R)
• M16: 29,773,118 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 13.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.05 AU - 5.91 AU

Year: 7176 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,858,797 km

• M1: 174,581 km (0.042 R)
• M2: 734,077 km (0.104 R)
• M3: 1,891,964 km (0.069 R)
• M4: 3,900,316 km (0.109 R)
• M5: 4,389,202 km (0.06 R)
• M6: 4,890,205 km (0.114 R)
• M7: 6,771,548 km (0.075 R)
• M8: 7,328,351 km (0.038 R)
• M9: 9,821,998 km (0.109 R)
• M10: 11,492,408 km (0.039 R)
• M11: 12,071,351 km (0.103 R)
• M12: 14,463,571 km (0.11 R)
• M13: 20,396,323 km (0.045 R)
• M14: 20,857,085 km (0.044 R)
• M15: 25,146,953 km (0.105 R)
• M16: 25,855,299 km (0.068 R)
• M17: 27,778,529 km (0.09 R)
• M18: 30,091,163 km (0.062 R)
• M19: 33,159,116 km (0.107 R)
• M20: 33,690,039 km (0.107 R)
• M21: 40,270,101 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.8

Radius: 5.3

Gravity: 31.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.16 AU - 7.74 AU

Year: 10577 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 41,858,797 km

• M1: 71,209 km (0.065 R)
• M2: 279,000 km (0.066 R)
• M3: 498,161 km (0.112 R)
• M4: 1,177,186 km (0.038 R)
• M5: 1,397,095 km (0.084 R)
• M6: 1,644,380 km (0.087 R)
• M7: 2,078,812 km (0.119 R)
• M8: 2,303,658 km (0.086 R)
• M9: 2,780,127 km (0.105 R)
• M10: 3,681,304 km (0.094 R)
• M11: 4,154,632 km (0.114 R)
• M12: 6,267,104 km (0.029 R)
• M13: 6,778,280 km (0.101 R)
• M14: 7,838,480 km (0.096 R)
• M15: 8,810,866 km (0.101 R)
• M16: 9,201,765 km (0.099 R)
• M17: 9,861,342 km (0.1 R)
• M18: 10,389,722 km (0.095 R)
• M19: 10,606,339 km (0.086 R)
• M20: 10,881,300 km (0.041 R)
• M21: 11,445,434 km (0.114 R)
• M22: 11,618,369 km (0.111 R)
• M23: 11,969,625 km (0.058 R)
• M24: 16,313,797 km (0.118 R)
• M25: 18,279,663 km (0.113 R)
• M26: 20,145,597 km (0.075 R)
• M27: 20,482,641 km (0.119 R)
• M28: 21,254,566 km (0.062 R)
• M29: 22,493,835 km (0.115 R)
• M30: 25,018,150 km (0.063 R)
• M31: 30,400,232 km (0.052 R)
• M32: 30,732,339 km (0.105 R)
• M33: 32,085,003 km (0.08 R)
• M34: 33,008,621 km (0.045 R)
• M35: 34,908,663 km (0.111 R)
• M36: 36,132,523 km (0.106 R)
• M37: 36,755,150 km (0.115 R)
• M38: 44,365,493 km (0.087 R)
• M39: 50,600,433 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 5.8

Gravity: 25.43 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6 AU - 7.14 AU

Year: 10873 Days

Day: 17.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,858,797 km

• M1: 72,256 km (0.076 R)
• M2: 271,221 km (0.09 R)
• M3: 555,606 km (0.087 R)
• M4: 806,931 km (0.097 R)
• M5: 1,133,204 km (0.087 R)
• M6: 1,858,305 km (0.032 R)
• M7: 2,048,892 km (0.037 R)
• M8: 2,469,711 km (0.088 R)
• M9: 3,063,166 km (0.027 R)
• M10: 3,534,549 km (0.099 R)
• M11: 3,939,959 km (0.091 R)
• M12: 4,286,129 km (0.091 R)
• M13: 4,843,081 km (0.098 R)
• M14: 5,105,775 km (0.102 R)
• M15: 5,552,624 km (0.115 R)
• M16: 8,050,161 km (0.079 R)
• M17: 8,325,720 km (0.046 R)
• M18: 9,390,558 km (0.096 R)
• M19: 10,326,891 km (0.11 R)
• M20: 11,787,115 km (0.079 R)
• M21: 13,062,886 km (0.099 R)
• M22: 13,379,734 km (0.078 R)
• M23: 13,701,669 km (0.064 R)
• M24: 14,903,688 km (0.097 R)
• M25: 16,246,927 km (0.11 R)
• M26: 17,746,047 km (0.112 R)
• M27: 18,134,703 km (0.117 R)
• M28: 19,416,756 km (0.078 R)
• M29: 21,363,922 km (0.103 R)
• M30: 22,070,623 km (0.073 R)
• M31: 22,792,881 km (0.096 R)
• M32: 23,624,047 km (0.087 R)
• M33: 30,457,229 km (0.072 R)
• M34: 32,726,629 km (0.051 R)
• M35: 40,742,980 km (0.109 R)
• M36: 45,635,279 km (0.057 R)
• M37: 54,580,185 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.1

Radius: 4.9

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.51 AU - 7.05 AU

Year: 11399 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,858,797 km

• M1: 73,453 km (0.099 R)
• M2: 292,763 km (0.108 R)
• M3: 470,635 km (0.103 R)
• M4: 821,292 km (0.119 R)
• M5: 1,200,822 km (0.115 R)
• M6: 1,822,401 km (0.107 R)
• M7: 3,645,850 km (0.077 R)
• M8: 3,869,798 km (0.12 R)
• M9: 4,102,871 km (0.055 R)
• M10: 4,741,505 km (0.061 R)
• M11: 7,883,359 km (0.097 R)
• M12: 8,048,665 km (0.09 R)
• M13: 12,077,634 km (0.098 R)
• M14: 14,153,305 km (0.076 R)
• M15: 17,205,251 km (0.069 R)
• M16: 18,554,474 km (0.092 R)
• M17: 21,622,278 km (0.117 R)
• M18: 22,854,964 km (0.078 R)
• M19: 23,960,343 km (0.074 R)
• M20: 28,545,069 km (0.108 R)
• M21: 33,573,053 km (0.108 R)
• M22: 35,558,965 km (0.118 R)
• M23: 36,124,146 km (0.078 R)
• M24: 36,925,542 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit