🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.85 AU - 2.37 AU

Year: 1180 Days

Day: 37.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.49 AU - 2.57 AU

Year: 1549 Days

Day: 38.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.3

Radius: 9.5

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.5 AU - 7.24 AU

Year: 5476 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,720,142 km

• M1: 119,230 km (0.104 R)
• M2: 586,424 km (0.094 R)
• M3: 954,883 km (0.109 R)
• M4: 2,465,223 km (0.039 R)
• M5: 3,040,427 km (0.108 R)
• M6: 3,435,665 km (0.108 R)
• M7: 7,056,980 km (0.058 R)
• M8: 9,153,445 km (0.12 R)
• M9: 9,670,455 km (0.088 R)
• M10: 15,177,602 km (0.111 R)
• M11: 19,804,813 km (0.059 R)
• M12: 20,890,295 km (0.108 R)
• M13: 21,260,700 km (0.074 R)
• M14: 22,091,267 km (0.052 R)
• M15: 23,179,292 km (0.113 R)
• M16: 24,140,010 km (0.084 R)
• M17: 25,378,082 km (0.083 R)
• M18: 30,469,795 km (0.077 R)
• M19: 33,003,235 km (0.061 R)
• M20: 33,607,311 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 11.5

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.89 AU - 6.87 AU

Year: 6204 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,720,142 km

• M1: 143,016 km (0.074 R)
• M2: 619,036 km (0.103 R)
• M3: 1,434,793 km (0.049 R)
• M4: 2,003,265 km (0.107 R)
• M5: 2,462,231 km (0.097 R)
• M6: 3,155,917 km (0.105 R)
• M7: 4,570,365 km (0.112 R)
• M8: 7,039,178 km (0.099 R)
• M9: 7,715,809 km (0.109 R)
• M10: 10,718,089 km (0.102 R)
• M11: 13,106,269 km (0.102 R)
• M12: 17,796,312 km (0.101 R)
• M13: 18,838,561 km (0.1 R)
• M14: 21,816,605 km (0.056 R)
• M15: 22,209,749 km (0.105 R)
• M16: 22,768,048 km (0.094 R)
• M17: 23,912,771 km (0.104 R)
• M18: 29,638,480 km (0.107 R)
• M19: 33,023,281 km (0.042 R)
• M20: 34,701,919 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 9.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.76 AU - 10.54 AU

Year: 10656 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,720,142 km

• M1: 131,197 km (0.056 R)
• M2: 561,740 km (0.095 R)
• M3: 1,307,934 km (0.054 R)
• M4: 1,851,573 km (0.11 R)
• M5: 5,999,623 km (0.079 R)
• M6: 7,132,527 km (0.092 R)
• M7: 8,176,122 km (0.105 R)
• M8: 11,071,589 km (0.105 R)
• M9: 11,881,212 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.7

Radius: 3.5

Gravity: 55.65 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.48 AU - 13.53 AU

Year: 17015 Days

Day: 16 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 90,720,142 km

• M1: 43,533 km (0.103 R)
• M2: 200,312 km (0.057 R)
• M3: 366,664 km (0.065 R)
• M4: 950,844 km (0.119 R)
• M5: 1,241,513 km (0.077 R)
• M6: 1,902,436 km (0.065 R)
• M7: 2,794,189 km (0.075 R)
• M8: 3,412,926 km (0.118 R)
• M9: 5,276,018 km (0.085 R)
• M10: 5,692,947 km (0.051 R)
• M11: 6,296,275 km (0.085 R)
• M12: 6,592,030 km (0.118 R)
• M13: 8,874,295 km (0.112 R)
• M14: 9,408,210 km (0.069 R)
• M15: 10,896,410 km (0.067 R)
• M16: 11,199,495 km (0.119 R)
• M17: 16,684,800 km (0.09 R)
• M18: 17,250,280 km (0.091 R)
• M19: 17,578,947 km (0.086 R)
• M20: 19,110,380 km (0.084 R)
• M21: 20,452,722 km (0.079 R)
• M22: 21,006,683 km (0.088 R)
• M23: 27,219,183 km (0.078 R)
• M24: 27,552,786 km (0.088 R)
• M25: 28,455,909 km (0.067 R)
• M26: 29,729,734 km (0.101 R)
• M27: 30,679,531 km (0.104 R)
• M28: 32,266,017 km (0.114 R)
• M29: 33,016,250 km (0.098 R)
• M30: 35,866,987 km (0.112 R)
• M31: 37,901,967 km (0.119 R)
• M32: 47,290,729 km (0.094 R)
• M33: 51,748,297 km (0.061 R)
• M34: 56,658,398 km (0.083 R)
• M35: 58,669,293 km (0.107 R)
• M36: 59,785,891 km (0.086 R)
• M37: 60,538,070 km (0.103 R)
• M38: 61,106,392 km (0.094 R)
• M39: 62,832,751 km (0.088 R)
• M40: 65,781,624 km (0.068 R)
• M41: 68,001,956 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.1

Radius: 5.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.86 AU - 15.04 AU

Year: 20060 Days

Day: 16.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,720,142 km

• M1: 239,955 km (0.109 R)
• M2: 486,941 km (0.098 R)
• M3: 681,717 km (0.05 R)
• M4: 1,552,078 km (0.065 R)
• M5: 1,889,720 km (0.108 R)
• M6: 2,420,643 km (0.071 R)
• M7: 3,431,925 km (0.075 R)
• M8: 3,900,914 km (0.105 R)
• M9: 4,697,972 km (0.114 R)
• M10: 4,875,544 km (0.059 R)
• M11: 5,088,422 km (0.105 R)
• M12: 5,631,462 km (0.11 R)
• M13: 5,899,990 km (0.062 R)
• M14: 6,682,686 km (0.08 R)
• M15: 6,869,833 km (0.105 R)
• M16: 7,254,749 km (0.101 R)
• M17: 8,151,887 km (0.107 R)
• M18: 9,029,578 km (0.118 R)
• M19: 10,816,824 km (0.083 R)
• M20: 11,179,598 km (0.113 R)
• M21: 11,712,017 km (0.043 R)
• M22: 13,829,276 km (0.105 R)
• M23: 14,256,677 km (0.047 R)
• M24: 18,729,504 km (0.069 R)
• M25: 20,250,017 km (0.111 R)
• M26: 23,881,056 km (0.073 R)
• M27: 25,849,465 km (0.073 R)
• M28: 31,762,620 km (0.107 R)
• M29: 33,588,462 km (0.091 R)
• M30: 34,249,385 km (0.073 R)
• M31: 39,484,264 km (0.098 R)
• M32: 41,719,555 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.4

Radius: 4.8

Gravity: 30.66 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 15.72 AU - 17.14 AU

Year: 25640 Days

Day: 23.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,720,142 km

• M1: 60,438 km (0.095 R)
• M2: 228,436 km (0.119 R)
• M3: 424,110 km (0.103 R)
• M4: 1,177,186 km (0.091 R)
• M5: 3,317,782 km (0.109 R)
• M6: 4,468,189 km (0.068 R)
• M7: 5,314,464 km (0.092 R)
• M8: 5,562,647 km (0.109 R)
• M9: 5,861,993 km (0.049 R)
• M10: 6,633,618 km (0.079 R)
• M11: 7,068,499 km (0.085 R)
• M12: 8,048,814 km (0.074 R)
• M13: 8,376,284 km (0.058 R)
• M14: 8,769,577 km (0.066 R)
• M15: 10,989,160 km (0.099 R)
• M16: 13,942,522 km (0.107 R)
• M17: 14,335,515 km (0.052 R)
• M18: 15,558,478 km (0.111 R)
• M19: 15,726,626 km (0.095 R)
• M20: 16,238,400 km (0.057 R)
• M21: 18,303,299 km (0.047 R)
• M22: 19,060,713 km (0.036 R)
• M23: 20,235,655 km (0.026 R)
• M24: 21,354,498 km (0.073 R)
• M25: 22,837,162 km (0.08 R)
• M26: 23,825,854 km (0.091 R)
• M27: 25,536,357 km (0.104 R)
• M28: 26,481,217 km (0.098 R)
• M29: 27,694,904 km (0.105 R)
• M30: 29,584,176 km (0.078 R)
• M31: 32,783,027 km (0.084 R)
• M32: 47,177,633 km (0.092 R)
• M33: 57,323,361 km (0.093 R)
• M34: 58,128,048 km (0.085 R)
• M35: 58,940,215 km (0.107 R)
• M36: 59,554,314 km (0.105 R)
• M37: 62,476,260 km (0.119 R)
• M38: 70,886,353 km (0.107 R)
• M39: 72,046,185 km (0.116 R)
• M40: 73,928,126 km (0.072 R)
• M41: 78,528,410 km (0.055 R)
• M42: 88,027,426 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit