🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 12.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 300 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,286,595 km

• M1: 159,172 km (0.111 R)
• M2: 617,241 km (0.082 R)
• M3: 1,106,276 km (0.106 R)
• M4: 2,506,213 km (0.12 R)
• M5: 3,131,981 km (0.115 R)
• M6: 3,717,657 km (0.115 R)
• M7: 4,349,259 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 8.4

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.61 AU - 0.93 AU

Year: 458 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,286,595 km

• M1: 104,868 km (0.068 R)
• M2: 383,120 km (0.064 R)
• M3: 646,712 km (0.09 R)
• M4: 1,215,034 km (0.059 R)
• M5: 1,538,165 km (0.114 R)
• M6: 1,878,650 km (0.077 R)
• M7: 2,287,202 km (0.072 R)
• M8: 2,581,910 km (0.105 R)
• M9: 3,378,070 km (0.092 R)
• M10: 3,826,714 km (0.108 R)
• M11: 4,982,058 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 9.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.12 AU - 1.4 AU

Year: 959 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,286,595 km

• M1: 117,734 km (0.085 R)
• M2: 637,736 km (0.112 R)
• M3: 1,108,819 km (0.111 R)
• M4: 1,734,737 km (0.097 R)
• M5: 3,320,923 km (0.09 R)
• M6: 3,850,200 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.3

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.5 AU - 1.88 AU

Year: 1490 Days

Day: 11.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,286,595 km

• M1: 105,167 km (0.101 R)
• M2: 495,618 km (0.106 R)
• M3: 822,788 km (0.105 R)
• M4: 1,335,161 km (0.117 R)
• M5: 2,113,818 km (0.065 R)
• M6: 2,398,951 km (0.11 R)
• M7: 3,033,097 km (0.078 R)
• M8: 3,590,798 km (0.061 R)
• M9: 4,307,222 km (0.093 R)
• M10: 4,592,056 km (0.103 R)
• M11: 5,178,629 km (0.104 R)
• M12: 5,545,144 km (0.051 R)
• M13: 9,130,706 km (0.092 R)
• M14: 10,870,380 km (0.064 R)
• M15: 12,473,919 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 14.4

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.63 AU - 2.05 AU

Year: 1693 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,286,595 km

• M1: 179,069 km (0.092 R)
• M2: 980,165 km (0.086 R)
• M3: 1,540,858 km (0.117 R)
• M4: 2,039,318 km (0.119 R)
• M5: 2,845,950 km (0.118 R)
• M6: 3,440,153 km (0.082 R)
• M7: 4,211,928 km (0.09 R)
• M8: 5,252,232 km (0.077 R)
• M9: 6,102,696 km (0.092 R)
• M10: 6,906,934 km (0.084 R)
• M11: 8,078,435 km (0.09 R)
• M12: 9,512,330 km (0.118 R)
• M13: 10,522,714 km (0.109 R)
• M14: 11,147,585 km (0.11 R)
• M15: 11,875,229 km (0.1 R)
• M16: 13,172,093 km (0.103 R)
• M17: 14,205,365 km (0.065 R)
• M18: 16,094,637 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 11.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.67 AU - 2.63 AU

Year: 2138 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,286,595 km

• M1: 143,016 km (0.033 R)
• M2: 535,710 km (0.09 R)
• M3: 918,381 km (0.051 R)
• M4: 1,434,943 km (0.081 R)
• M5: 1,981,125 km (0.114 R)
• M6: 2,378,307 km (0.113 R)
• M7: 2,767,710 km (0.042 R)
• M8: 3,336,481 km (0.096 R)
• M9: 3,884,907 km (0.094 R)
• M10: 4,665,359 km (0.08 R)
• M11: 5,498,320 km (0.057 R)
• M12: 6,186,022 km (0.045 R)
• M13: 6,844,701 km (0.088 R)
• M14: 7,250,261 km (0.088 R)
• M15: 8,173,429 km (0.037 R)
• M16: 9,453,389 km (0.118 R)
• M17: 9,993,886 km (0.043 R)
• M18: 10,631,322 km (0.087 R)
• M19: 12,492,469 km (0.102 R)
• M20: 12,924,209 km (0.095 R)
• M21: 13,863,384 km (0.076 R)
• M22: 14,561,707 km (0.104 R)
• M23: 14,943,630 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 9.3

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.91 AU - 3.93 AU

Year: 4290 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,286,595 km

• M1: 116,088 km (0.102 R)
• M2: 646,712 km (0.092 R)
• M3: 1,091,316 km (0.039 R)
• M4: 1,406,669 km (0.091 R)
• M5: 1,783,655 km (0.112 R)
• M6: 2,081,355 km (0.1 R)
• M7: 2,726,720 km (0.099 R)
• M8: 3,240,290 km (0.05 R)
• M9: 3,561,925 km (0.117 R)
• M10: 4,061,732 km (0.11 R)
• M11: 4,607,764 km (0.112 R)
• M12: 4,989,687 km (0.115 R)
• M13: 5,616,353 km (0.058 R)
• M14: 6,052,730 km (0.091 R)
• M15: 7,126,095 km (0.07 R)
• M16: 7,499,042 km (0.045 R)
• M17: 8,028,768 km (0.102 R)
• M18: 9,084,331 km (0.056 R)
• M19: 10,060,457 km (0.075 R)
• M20: 12,172,180 km (0.096 R)
• M21: 13,255,568 km (0.1 R)
• M22: 13,716,928 km (0.119 R)
• M23: 14,135,952 km (0.081 R)
• M24: 14,944,528 km (0.113 R)
• M25: 15,726,775 km (0.115 R)
• M26: 21,561,392 km (0.042 R)
• M27: 24,190,574 km (0.119 R)
• M28: 26,057,705 km (0.065 R)
• M29: 27,108,181 km (0.065 R)
• M30: 27,519,576 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 13.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.12 AU - 4.42 AU

Year: 5985 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 72.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,286,595 km

• M1: 188,194 km (0.118 R)
• M2: 905,067 km (0.116 R)
• M3: 1,874,312 km (0.118 R)
• M4: 2,990,761 km (0.063 R)
• M5: 3,881,466 km (0.092 R)
• M6: 5,105,775 km (0.054 R)
• M7: 6,071,280 km (0.07 R)
• M8: 6,622,698 km (0.096 R)
• M9: 7,181,147 km (0.085 R)
• M10: 7,688,732 km (0.092 R)
• M11: 8,716,619 km (0.116 R)
• M12: 11,905,747 km (0.115 R)
• M13: 12,352,895 km (0.095 R)
• M14: 13,241,057 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 9.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.17 AU - 4.39 AU

Year: 6006 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,286,595 km

• M1: 116,836 km (0.085 R)
• M2: 423,212 km (0.098 R)
• M3: 718,818 km (0.078 R)
• M4: 1,091,915 km (0.114 R)
• M5: 1,411,157 km (0.104 R)
• M6: 2,293,335 km (0.056 R)
• M7: 3,353,386 km (0.051 R)
• M8: 4,115,288 km (0.06 R)
• M9: 4,793,415 km (0.026 R)
• M10: 5,364,280 km (0.079 R)
• M11: 5,759,219 km (0.111 R)
• M12: 7,169,628 km (0.103 R)
• M13: 8,389,299 km (0.09 R)
• M14: 9,304,539 km (0.097 R)
• M15: 11,040,173 km (0.096 R)
• M16: 13,472,934 km (0.067 R)
• M17: 14,492,593 km (0.1 R)
• M18: 15,140,651 km (0.11 R)
• M19: 18,881,196 km (0.106 R)
• M20: 22,643,433 km (0.114 R)
• M21: 23,515,888 km (0.097 R)
• M22: 23,838,570 km (0.064 R)
• M23: 29,413,335 km (0.104 R)
• M24: 30,451,694 km (0.086 R)
• M25: 31,416,750 km (0.115 R)
• M26: 31,710,111 km (0.116 R)
• M27: 33,002,936 km (0.106 R)
• M28: 33,918,176 km (0.026 R)
• M29: 35,164,924 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.8

Radius: 7.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.94 AU - 7.06 AU

Year: 12561 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,286,595 km

• M1: 96,939 km (0.075 R)
• M2: 469,588 km (0.076 R)
• M3: 1,231,190 km (0.11 R)
• M4: 1,567,187 km (0.093 R)
• M5: 2,221,379 km (0.099 R)
• M6: 3,112,533 km (0.075 R)
• M7: 5,610,519 km (0.104 R)
• M8: 7,400,307 km (0.108 R)
• M9: 8,649,450 km (0.036 R)
• M10: 9,395,793 km (0.101 R)
• M11: 10,543,060 km (0.094 R)
• M12: 12,815,002 km (0.063 R)
• M13: 13,112,702 km (0.097 R)
• M14: 13,970,945 km (0.076 R)
• M15: 15,799,031 km (0.104 R)
• M16: 20,891,193 km (0.075 R)
• M17: 21,721,910 km (0.115 R)
• M18: 25,173,133 km (0.088 R)
• M19: 36,722,238 km (0.119 R)
• M20: 47,003,950 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 19,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit