🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.76 AU - 1.18 AU

Year: 366 Days

Day: 19.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 98,502,568 km

• M1: 28,424 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.47 AU - 3.11 AU

Year: 1784 Days

Day: 30.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,502,568 km

• M1: 57,745 km (0.102 R)
• M2: 854,503 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.4

Radius: 8.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.26 AU - 6.9 AU

Year: 5047 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 98,502,568 km

• M1: 112,946 km (0.113 R)
• M2: 473,178 km (0.088 R)
• M3: 768,783 km (0.088 R)
• M4: 1,118,992 km (0.118 R)
• M5: 1,931,458 km (0.107 R)
• M6: 2,280,620 km (0.072 R)
• M7: 2,671,968 km (0.116 R)
• M8: 6,415,355 km (0.115 R)
• M9: 6,990,409 km (0.116 R)
• M10: 9,355,552 km (0.099 R)
• M11: 10,294,577 km (0.061 R)
• M12: 11,727,725 km (0.117 R)
• M13: 13,170,447 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 9.7

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.05 AU - 10.53 AU

Year: 10842 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 98,502,568 km

• M1: 121,324 km (0.078 R)
• M2: 465,100 km (0.077 R)
• M3: 930,349 km (0.078 R)
• M4: 1,366,577 km (0.062 R)
• M5: 1,953,599 km (0.088 R)
• M6: 3,273,351 km (0.109 R)
• M7: 3,733,963 km (0.108 R)
• M8: 4,121,870 km (0.069 R)
• M9: 4,597,891 km (0.113 R)
• M10: 5,554,419 km (0.033 R)
• M11: 8,081,875 km (0.077 R)
• M12: 8,543,684 km (0.12 R)
• M13: 9,369,315 km (0.098 R)
• M14: 9,879,144 km (0.071 R)
• M15: 10,515,384 km (0.12 R)
• M16: 12,225,587 km (0.075 R)
• M17: 12,959,065 km (0.115 R)
• M18: 13,786,491 km (0.053 R)
• M19: 14,179,933 km (0.068 R)
• M20: 14,921,041 km (0.116 R)
• M21: 15,266,313 km (0.097 R)
• M22: 16,700,957 km (0.097 R)
• M23: 17,527,335 km (0.119 R)
• M24: 21,367,662 km (0.087 R)
• M25: 21,895,294 km (0.105 R)
• M26: 29,457,915 km (0.052 R)
• M27: 33,289,865 km (0.11 R)
• M28: 34,357,245 km (0.087 R)
• M29: 36,310,844 km (0.12 R)
• M30: 37,951,633 km (0.077 R)
• M31: 40,171,367 km (0.049 R)
• M32: 41,380,865 km (0.119 R)
• M33: 43,450,402 km (0.094 R)
• M34: 44,013,788 km (0.107 R)
• M35: 44,724,827 km (0.057 R)
• M36: 48,395,061 km (0.119 R)
• M37: 53,058,774 km (0.099 R)
• M38: 54,188,538 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 9.6

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.27 AU - 10.67 AU

Year: 12971 Days

Day: 8.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 98,502,568 km

• M1: 119,678 km (0.116 R)
• M2: 459,116 km (0.077 R)
• M3: 911,350 km (0.05 R)
• M4: 1,336,956 km (0.074 R)
• M5: 1,926,970 km (0.107 R)
• M6: 3,413,973 km (0.076 R)
• M7: 4,333,402 km (0.106 R)
• M8: 4,999,262 km (0.026 R)
• M9: 5,409,459 km (0.101 R)
• M10: 5,805,145 km (0.066 R)
• M11: 6,104,940 km (0.077 R)
• M12: 10,125,831 km (0.115 R)
• M13: 12,247,278 km (0.102 R)
• M14: 15,419,801 km (0.037 R)
• M15: 15,924,245 km (0.099 R)
• M16: 16,588,758 km (0.053 R)
• M17: 19,684,387 km (0.087 R)
• M18: 20,192,421 km (0.113 R)
• M19: 25,266,482 km (0.059 R)
• M20: 29,121,021 km (0.06 R)
• M21: 30,114,650 km (0.063 R)
• M22: 32,052,840 km (0.119 R)
• M23: 34,682,770 km (0.094 R)
• M24: 35,548,942 km (0.104 R)
• M25: 37,453,323 km (0.079 R)
• M26: 38,628,115 km (0.049 R)
• M27: 42,580,640 km (0.037 R)
• M28: 48,616,914 km (0.072 R)
• M29: 55,367,518 km (0.12 R)
• M30: 56,210,502 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 6.8

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.85 AU - 13.95 AU

Year: 15718 Days

Day: 19 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,502,568 km

• M1: 84,972 km (0.103 R)
• M2: 317,596 km (0.119 R)
• M3: 603,927 km (0.115 R)
• M4: 1,948,811 km (0.039 R)
• M5: 2,608,388 km (0.056 R)
• M6: 3,725,735 km (0.074 R)
• M7: 5,373,256 km (0.077 R)
• M8: 6,220,429 km (0.071 R)
• M9: 7,631,436 km (0.102 R)
• M10: 9,916,095 km (0.074 R)
• M11: 11,416,262 km (0.051 R)
• M12: 16,966,792 km (0.04 R)
• M13: 22,125,824 km (0.106 R)
• M14: 24,278,538 km (0.033 R)
• M15: 24,666,595 km (0.091 R)
• M16: 27,186,870 km (0.117 R)
• M17: 35,643,787 km (0.042 R)
• M18: 39,653,608 km (0.1 R)
• M19: 48,862,554 km (0.063 R)
• M20: 54,953,282 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.3

Radius: 4.4

Gravity: 41.23 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 14.34 AU - 20.04 AU

Year: 27289 Days

Day: 24.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 98,502,568 km

• M1: 59,241 km (0.06 R)
• M2: 251,624 km (0.049 R)
• M3: 489,035 km (0.093 R)
• M4: 638,484 km (0.116 R)
• M5: 1,074,711 km (0.101 R)
• M6: 1,949,709 km (0.083 R)
• M7: 2,309,791 km (0.089 R)
• M8: 2,531,046 km (0.087 R)
• M9: 3,403,202 km (0.067 R)
• M10: 3,560,579 km (0.119 R)
• M11: 5,163,670 km (0.093 R)
• M12: 6,546,253 km (0.08 R)
• M13: 7,142,102 km (0.084 R)
• M14: 10,275,878 km (0.07 R)
• M15: 10,874,419 km (0.053 R)
• M16: 15,045,656 km (0.042 R)
• M17: 15,729,618 km (0.057 R)
• M18: 16,884,812 km (0.115 R)
• M19: 19,663,294 km (0.065 R)
• M20: 20,068,854 km (0.059 R)
• M21: 21,426,005 km (0.111 R)
• M22: 24,671,382 km (0.101 R)
• M23: 30,737,575 km (0.114 R)
• M24: 41,753,813 km (0.049 R)
• M25: 43,271,035 km (0.094 R)
• M26: 45,703,496 km (0.064 R)
• M27: 49,148,436 km (0.103 R)
• M28: 53,152,871 km (0.12 R)
• M29: 53,545,267 km (0.066 R)
• M30: 71,345,768 km (0.08 R)
• M31: 82,085,100 km (0.093 R)
• M32: 82,346,896 km (0.093 R)
• M33: 84,995,676 km (0.12 R)
• M34: 92,712,981 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 10,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit