🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 9.9

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.72 AU - 1.06 AU

Year: 569 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,575,354 km

• M1: 124,465 km (0.079 R)
• M2: 505,940 km (0.118 R)
• M3: 921,373 km (0.041 R)
• M4: 1,482,365 km (0.103 R)
• M5: 1,824,645 km (0.081 R)
• M6: 2,144,037 km (0.101 R)
• M7: 2,817,526 km (0.108 R)
• M8: 3,235,353 km (0.073 R)
• M9: 4,271,468 km (0.102 R)
• M10: 5,059,400 km (0.078 R)
• M11: 5,497,273 km (0.112 R)
• M12: 5,998,575 km (0.095 R)
• M13: 6,489,556 km (0.093 R)
• M14: 6,838,567 km (0.107 R)
• M15: 7,485,279 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 13

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.27 AU - 2.09 AU

Year: 1477 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,575,354 km

• M1: 161,715 km (0.105 R)
• M2: 603,179 km (0.066 R)
• M3: 1,277,566 km (0.116 R)
• M4: 1,759,271 km (0.053 R)
• M5: 2,540,920 km (0.091 R)
• M6: 3,866,207 km (0.107 R)
• M7: 4,916,384 km (0.109 R)
• M8: 5,910,163 km (0.106 R)
• M9: 7,465,831 km (0.109 R)
• M10: 10,409,618 km (0.059 R)
• M11: 11,854,434 km (0.086 R)
• M12: 12,902,667 km (0.043 R)
• M13: 14,181,280 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 14.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.06 AU - 2.48 AU

Year: 2320 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,575,354 km

• M1: 180,565 km (0.115 R)
• M2: 663,766 km (0.102 R)
• M3: 1,177,634 km (0.097 R)
• M4: 1,873,863 km (0.078 R)
• M5: 2,386,385 km (0.091 R)
• M6: 3,395,124 km (0.107 R)
• M7: 4,542,390 km (0.078 R)
• M8: 5,218,123 km (0.102 R)
• M9: 6,548,497 km (0.072 R)
• M10: 7,323,414 km (0.1 R)
• M11: 7,904,751 km (0.079 R)
• M12: 8,683,109 km (0.115 R)
• M13: 10,019,617 km (0.083 R)
• M14: 10,892,969 km (0.079 R)
• M15: 12,532,113 km (0.103 R)
• M16: 15,838,375 km (0.094 R)
• M17: 18,996,985 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.7

Radius: 8.2

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.52 AU - 4.72 AU

Year: 5672 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,575,354 km

• M1: 103,073 km (0.097 R)
• M2: 423,661 km (0.096 R)
• M3: 1,138,141 km (0.107 R)
• M4: 3,010,508 km (0.097 R)
• M5: 3,415,768 km (0.108 R)
• M6: 4,237,060 km (0.081 R)
• M7: 5,099,941 km (0.083 R)
• M8: 8,159,217 km (0.057 R)
• M9: 8,587,217 km (0.078 R)
• M10: 9,787,889 km (0.087 R)
• M11: 10,271,390 km (0.112 R)
• M12: 11,002,923 km (0.098 R)
• M13: 11,866,851 km (0.07 R)
• M14: 13,299,699 km (0.056 R)
• M15: 13,675,340 km (0.104 R)
• M16: 14,730,304 km (0.114 R)
• M17: 16,566,767 km (0.104 R)
• M18: 19,634,421 km (0.105 R)
• M19: 21,047,523 km (0.07 R)
• M20: 21,338,042 km (0.077 R)
• M21: 25,858,142 km (0.035 R)
• M22: 26,952,151 km (0.057 R)
• M23: 28,606,254 km (0.1 R)
• M24: 31,543,309 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 12.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.47 AU - 4.83 AU

Year: 5734 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,575,354 km

• M1: 156,629 km (0.06 R)
• M2: 722,109 km (0.093 R)
• M3: 1,210,845 km (0.08 R)
• M4: 1,729,651 km (0.078 R)
• M5: 2,529,700 km (0.085 R)
• M6: 3,306,861 km (0.042 R)
• M7: 3,948,187 km (0.109 R)
• M8: 4,361,676 km (0.089 R)
• M9: 5,421,277 km (0.086 R)
• M10: 9,208,048 km (0.092 R)
• M11: 10,433,703 km (0.076 R)
• M12: 10,943,832 km (0.059 R)
• M13: 14,025,997 km (0.092 R)
• M14: 15,170,570 km (0.082 R)
• M15: 16,625,111 km (0.071 R)
• M16: 18,170,756 km (0.096 R)
• M17: 25,318,093 km (0.105 R)
• M18: 26,240,813 km (0.081 R)
• M19: 30,625,676 km (0.063 R)
• M20: 33,040,635 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.7

Radius: 8

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.31 AU - 6.45 AU

Year: 8464 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,575,354 km

• M1: 482,154 km (0.083 R)
• M2: 1,164,919 km (0.09 R)
• M3: 1,629,719 km (0.089 R)
• M4: 2,169,468 km (0.095 R)
• M5: 2,596,271 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721

Radius: 7.6

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.88 AU - 7.42 AU

Year: 12967 Days

Day: 24.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,575,354 km

• M1: 96,939 km (0.111 R)
• M2: 394,190 km (0.096 R)
• M3: 694,284 km (0.093 R)
• M4: 1,462,918 km (0.044 R)
• M5: 2,290,343 km (0.088 R)
• M6: 2,597,767 km (0.113 R)
• M7: 2,840,564 km (0.093 R)
• M8: 3,397,816 km (0.052 R)
• M9: 4,569,617 km (0.077 R)
• M10: 4,859,238 km (0.035 R)
• M11: 7,157,959 km (0.057 R)
• M12: 7,863,911 km (0.103 R)
• M13: 8,186,893 km (0.117 R)
• M14: 8,761,349 km (0.091 R)
• M15: 9,883,782 km (0.119 R)
• M16: 11,099,115 km (0.065 R)
• M17: 11,506,021 km (0.051 R)
• M18: 15,056,577 km (0.095 R)
• M19: 16,812,258 km (0.036 R)
• M20: 18,700,183 km (0.076 R)
• M21: 19,193,407 km (0.07 R)
• M22: 19,610,934 km (0.096 R)
• M23: 20,291,754 km (0.049 R)
• M24: 21,880,933 km (0.082 R)
• M25: 23,742,080 km (0.104 R)
• M26: 24,223,336 km (0.103 R)
• M27: 25,908,406 km (0.107 R)
• M28: 28,634,528 km (0.095 R)
• M29: 29,732,128 km (0.044 R)
• M30: 30,403,972 km (0.044 R)
• M31: 31,430,662 km (0.058 R)
• M32: 34,037,405 km (0.112 R)
• M33: 35,769,300 km (0.09 R)
• M34: 37,170,733 km (0.096 R)
• M35: 41,594,042 km (0.092 R)
• M36: 42,012,617 km (0.06 R)
• M37: 45,760,193 km (0.11 R)
• M38: 51,789,885 km (0.106 R)
• M39: 53,252,952 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 3.8

Gravity: 69.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.43 AU - 9.07 AU

Year: 14633 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,575,354 km

• M1: 47,273 km (0.063 R)
• M2: 415,732 km (0.079 R)
• M3: 833,559 km (0.067 R)
• M4: 1,378,844 km (0.101 R)
• M5: 2,382,795 km (0.1 R)
• M6: 2,796,882 km (0.057 R)
• M7: 3,124,501 km (0.096 R)
• M8: 3,505,228 km (0.111 R)
• M9: 4,558,247 km (0.074 R)
• M10: 5,342,140 km (0.093 R)
• M11: 5,570,576 km (0.113 R)
• M12: 5,845,387 km (0.104 R)
• M13: 8,127,353 km (0.082 R)
• M14: 8,480,853 km (0.093 R)
• M15: 8,897,184 km (0.054 R)
• M16: 12,136,426 km (0.074 R)
• M17: 13,139,630 km (0.107 R)
• M18: 26,706,361 km (0.093 R)
• M19: 28,280,729 km (0.079 R)
• M20: 33,117,977 km (0.078 R)
• M21: 44,699,245 km (0.067 R)
• M22: 45,167,636 km (0.079 R)
• M23: 47,073,962 km (0.045 R)
• M24: 48,046,797 km (0.115 R)
• M25: 50,200,707 km (0.036 R)
• M26: 54,878,034 km (0.104 R)
• M27: 60,978,785 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.8

Radius: 4.7

Gravity: 28.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.26 AU - 9.48 AU

Year: 17917 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,575,354 km

• M1: 61,335 km (0.064 R)
• M2: 219,610 km (0.104 R)
• M3: 590,313 km (0.093 R)
• M4: 849,417 km (0.099 R)
• M5: 2,799,275 km (0.102 R)
• M6: 3,501,039 km (0.065 R)
• M7: 4,746,292 km (0.086 R)
• M8: 4,991,034 km (0.115 R)
• M9: 5,244,303 km (0.036 R)
• M10: 6,727,566 km (0.097 R)
• M11: 8,318,390 km (0.112 R)
• M12: 11,708,427 km (0.108 R)
• M13: 13,846,181 km (0.087 R)
• M14: 15,534,093 km (0.099 R)
• M15: 17,436,829 km (0.116 R)
• M16: 18,529,641 km (0.058 R)
• M17: 19,846,402 km (0.03 R)
• M18: 25,208,438 km (0.087 R)
• M19: 38,531,774 km (0.072 R)
• M20: 39,947,867 km (0.084 R)
• M21: 42,883,277 km (0.079 R)
• M22: 47,551,179 km (0.068 R)
• M23: 52,891,524 km (0.114 R)
• M24: 61,247,911 km (0.044 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: 530 - 14,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit