🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.41 AU - 2.21 AU

Year: 908 Days

Day: 14.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,886,306 km

• M1: 298,448 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 11.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.48 AU - 5.14 AU

Year: 3933 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,886,306 km

• M1: 146,756 km (0.088 R)
• M2: 525,986 km (0.061 R)
• M3: 896,390 km (0.083 R)
• M4: 2,260,424 km (0.05 R)
• M5: 2,733,602 km (0.087 R)
• M6: 3,519,440 km (0.119 R)
• M7: 4,450,088 km (0.057 R)
• M8: 4,899,779 km (0.104 R)
• M9: 5,863,339 km (0.101 R)
• M10: 6,673,411 km (0.05 R)
• M11: 7,137,165 km (0.107 R)
• M12: 8,695,526 km (0.029 R)
• M13: 10,144,980 km (0.078 R)
• M14: 10,969,713 km (0.07 R)
• M15: 11,573,340 km (0.11 R)
• M16: 12,108,152 km (0.117 R)
• M17: 13,036,108 km (0.088 R)
• M18: 14,618,854 km (0.116 R)
• M19: 15,670,975 km (0.097 R)
• M20: 16,716,664 km (0.099 R)
• M21: 17,400,626 km (0.067 R)
• M22: 19,316,077 km (0.12 R)
• M23: 23,846,349 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 12.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.59 AU - 7.31 AU

Year: 5410 Days

Day: 14.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,886,306 km

• M1: 157,078 km (0.048 R)
• M2: 590,164 km (0.072 R)
• M3: 1,165,816 km (0.116 R)
• M4: 1,874,162 km (0.1 R)
• M5: 2,281,966 km (0.088 R)
• M6: 2,854,477 km (0.025 R)
• M7: 4,931,195 km (0.103 R)
• M8: 5,607,227 km (0.104 R)
• M9: 6,467,864 km (0.112 R)
• M10: 7,278,834 km (0.107 R)
• M11: 8,564,478 km (0.051 R)
• M12: 10,769,252 km (0.096 R)
• M13: 12,289,764 km (0.089 R)
• M14: 13,227,743 km (0.119 R)
• M15: 14,805,103 km (0.111 R)
• M16: 15,470,065 km (0.075 R)
• M17: 16,740,750 km (0.029 R)
• M18: 18,711,552 km (0.082 R)
• M19: 20,086,207 km (0.068 R)
• M20: 22,093,960 km (0.048 R)
• M21: 23,405,484 km (0.109 R)
• M22: 24,308,308 km (0.074 R)
• M23: 24,768,321 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.5

Radius: 11.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.12 AU - 7.5 AU

Year: 6625 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 90.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,886,306 km

• M1: 148,999 km (0.115 R)
• M2: 920,177 km (0.059 R)
• M3: 1,399,638 km (0.114 R)
• M4: 2,092,725 km (0.09 R)
• M5: 5,855,261 km (0.109 R)
• M6: 8,212,175 km (0.117 R)
• M7: 11,500,336 km (0.094 R)
• M8: 12,078,382 km (0.086 R)
• M9: 15,077,371 km (0.117 R)
• M10: 18,327,983 km (0.051 R)
• M11: 20,995,313 km (0.081 R)
• M12: 25,821,041 km (0.106 R)
• M13: 28,969,029 km (0.099 R)
• M14: 31,746,613 km (0.086 R)
• M15: 32,884,903 km (0.074 R)
• M16: 38,172,290 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.7

Radius: 5.4

Gravity: 24.1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 11.38 AU - 15 AU

Year: 17858 Days

Day: 24 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 96,886,306 km

• M1: 67,768 km (0.052 R)
• M2: 524,640 km (0.102 R)
• M3: 898,634 km (0.117 R)
• M4: 1,390,063 km (0.12 R)
• M5: 1,695,542 km (0.11 R)
• M6: 2,289,147 km (0.113 R)
• M7: 2,692,163 km (0.11 R)
• M8: 4,382,170 km (0.038 R)
• M9: 5,798,413 km (0.038 R)
• M10: 5,999,772 km (0.109 R)
• M11: 7,260,882 km (0.112 R)
• M12: 7,447,730 km (0.103 R)
• M13: 8,027,571 km (0.08 R)
• M14: 8,227,434 km (0.086 R)
• M15: 9,114,101 km (0.072 R)
• M16: 10,770,897 km (0.076 R)
• M17: 12,888,754 km (0.089 R)
• M18: 13,581,691 km (0.104 R)
• M19: 16,123,659 km (0.097 R)
• M20: 17,842,538 km (0.082 R)
• M21: 20,878,627 km (0.119 R)
• M22: 23,318,867 km (0.114 R)
• M23: 29,108,006 km (0.12 R)
• M24: 32,018,133 km (0.115 R)
• M25: 32,647,940 km (0.115 R)
• M26: 33,029,714 km (0.07 R)
• M27: 35,116,455 km (0.075 R)
• M28: 35,517,227 km (0.111 R)
• M29: 37,567,167 km (0.088 R)
• M30: 39,119,694 km (0.084 R)
• M31: 40,129,629 km (0.032 R)
• M32: 40,714,556 km (0.112 R)
• M33: 44,968,522 km (0.082 R)
• M34: 51,545,742 km (0.09 R)
• M35: 52,236,734 km (0.098 R)
• M36: 56,695,947 km (0.094 R)
• M37: 56,879,354 km (0.105 R)
• M38: 57,432,119 km (0.042 R)
• M39: 58,174,722 km (0.117 R)
• M40: 62,961,405 km (0.104 R)
• M41: 70,094,382 km (0.04 R)
• M42: 70,729,724 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.3

Radius: 8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.7 AU - 15.78 AU

Year: 17959 Days

Day: 15.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,886,306 km

• M1: 99,483 km (0.102 R)
• M2: 469,737 km (0.075 R)
• M3: 949,498 km (0.091 R)
• M4: 1,799,064 km (0.114 R)
• M5: 2,759,333 km (0.085 R)
• M6: 3,590,798 km (0.105 R)
• M7: 5,151,851 km (0.064 R)
• M8: 6,863,850 km (0.118 R)
• M9: 12,905,659 km (0.115 R)
• M10: 14,103,788 km (0.098 R)
• M11: 15,750,861 km (0.081 R)
• M12: 17,454,481 km (0.071 R)
• M13: 18,917,399 km (0.095 R)
• M14: 19,495,744 km (0.094 R)
• M15: 21,301,241 km (0.105 R)
• M16: 30,127,964 km (0.114 R)
• M17: 37,613,093 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.5

Radius: 7.9

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 14.16 AU - 19.44 AU

Year: 25670 Days

Day: 19.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 96,886,306 km

• M1: 102,026 km (0.058 R)
• M2: 369,507 km (0.096 R)
• M3: 1,033,572 km (0.114 R)
• M4: 1,291,329 km (0.073 R)
• M5: 3,269,761 km (0.077 R)
• M6: 3,936,070 km (0.057 R)
• M7: 4,212,526 km (0.078 R)
• M8: 6,386,034 km (0.041 R)
• M9: 7,686,638 km (0.081 R)
• M10: 7,955,764 km (0.101 R)
• M11: 8,286,974 km (0.117 R)
• M12: 9,396,841 km (0.111 R)
• M13: 15,766,120 km (0.091 R)
• M14: 16,644,558 km (0.073 R)
• M15: 18,022,654 km (0.101 R)
• M16: 18,691,207 km (0.084 R)
• M17: 20,589,155 km (0.107 R)
• M18: 21,959,471 km (0.1 R)
• M19: 32,730,668 km (0.117 R)
• M20: 36,224,227 km (0.069 R)
• M21: 43,091,068 km (0.114 R)
• M22: 50,588,764 km (0.104 R)
• M23: 52,108,978 km (0.102 R)
• M24: 53,855,533 km (0.107 R)
• M25: 59,958,827 km (0.074 R)
• M26: 60,805,850 km (0.11 R)
• M27: 64,053,470 km (0.108 R)
• M28: 71,601,730 km (0.09 R)
• M29: 73,758,632 km (0.088 R)
• M30: 74,975,461 km (0.04 R)
• M31: 81,778,574 km (0.105 R)
• M32: 82,038,126 km (0.052 R)
• M33: 92,033,508 km (0.098 R)
• M34: 93,160,428 km (0.048 R)
• M35: 96,886,313 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit