🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.72 AU - 0.76 AU

Year: 229 Days

Day: 47.8 Hours

Environment

Temp: 122 °C

Axial Tilt: 19.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.09 AU - 1.41 AU

Year: 503 Days

Day: 22.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 107,696,240 km

• M1: 42,635 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.71 AU - 3.97 AU

Year: 2197 Days

Day: 16.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,696,240 km

• M1: 159,471 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.68 AU - 4.8 AU

Year: 3142 Days

Day: 46 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,696,240 km

• M1: 601,832 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 8.9

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.66 AU - 6.8 AU

Year: 5596 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 107,696,240 km

• M1: 110,852 km (0.116 R)
• M2: 406,457 km (0.11 R)
• M3: 736,321 km (0.114 R)
• M4: 1,875,957 km (0.117 R)
• M5: 2,750,806 km (0.105 R)
• M6: 3,200,347 km (0.064 R)
• M7: 6,160,740 km (0.068 R)
• M8: 7,272,102 km (0.073 R)
• M9: 9,385,770 km (0.054 R)
• M10: 9,972,194 km (0.115 R)
• M11: 10,362,046 km (0.089 R)
• M12: 10,897,606 km (0.1 R)
• M13: 11,264,720 km (0.057 R)
• M14: 11,927,139 km (0.098 R)
• M15: 12,465,691 km (0.082 R)
• M16: 14,951,110 km (0.096 R)
• M17: 15,404,841 km (0.111 R)
• M18: 16,043,624 km (0.054 R)
• M19: 16,760,497 km (0.063 R)
• M20: 17,373,998 km (0.112 R)
• M21: 18,386,775 km (0.118 R)
• M22: 18,711,253 km (0.047 R)
• M23: 20,321,973 km (0.106 R)
• M24: 22,315,664 km (0.093 R)
• M25: 23,893,922 km (0.077 R)
• M26: 24,280,482 km (0.115 R)
• M27: 26,604,934 km (0.057 R)
• M28: 28,034,491 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 11.4

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.22 AU - 10.72 AU

Year: 10488 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 107,696,240 km

• M1: 143,315 km (0.105 R)
• M2: 506,987 km (0.089 R)
• M3: 1,046,288 km (0.11 R)
• M4: 1,434,644 km (0.073 R)
• M5: 1,887,476 km (0.109 R)
• M6: 2,356,316 km (0.103 R)
• M7: 3,086,952 km (0.093 R)
• M8: 3,531,856 km (0.101 R)
• M9: 3,990,972 km (0.114 R)
• M10: 4,834,704 km (0.105 R)
• M11: 6,089,681 km (0.068 R)
• M12: 6,592,479 km (0.101 R)
• M13: 7,207,177 km (0.102 R)
• M14: 9,034,215 km (0.118 R)
• M15: 9,793,125 km (0.052 R)
• M16: 10,161,585 km (0.069 R)
• M17: 10,539,320 km (0.102 R)
• M18: 11,495,998 km (0.099 R)
• M19: 13,974,386 km (0.119 R)
• M20: 15,908,238 km (0.108 R)
• M21: 17,014,813 km (0.078 R)
• M22: 18,649,020 km (0.095 R)
• M23: 19,298,425 km (0.038 R)
• M24: 24,369,493 km (0.061 R)
• M25: 27,573,730 km (0.077 R)
• M26: 36,919,259 km (0.071 R)
• M27: 38,072,508 km (0.039 R)
• M28: 38,985,953 km (0.11 R)
• M29: 41,128,643 km (0.118 R)
• M30: 45,647,397 km (0.119 R)
• M31: 55,158,381 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 10.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.78 AU - 12.18 AU

Year: 13094 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 107,696,240 km

• M1: 126,111 km (0.031 R)
• M2: 499,657 km (0.085 R)
• M3: 1,135,897 km (0.098 R)
• M4: 1,771,688 km (0.117 R)
• M5: 2,506,961 km (0.104 R)
• M6: 3,691,627 km (0.106 R)
• M7: 4,018,049 km (0.049 R)
• M8: 5,082,737 km (0.047 R)
• M9: 5,453,441 km (0.076 R)
• M10: 5,878,598 km (0.091 R)
• M11: 7,080,018 km (0.102 R)
• M12: 7,804,820 km (0.12 R)
• M13: 8,815,204 km (0.108 R)
• M14: 9,705,012 km (0.075 R)
• M15: 10,384,037 km (0.06 R)
• M16: 12,919,123 km (0.067 R)
• M17: 13,805,490 km (0.069 R)
• M18: 14,396,401 km (0.074 R)
• M19: 14,799,568 km (0.071 R)
• M20: 19,582,810 km (0.098 R)
• M21: 20,413,078 km (0.079 R)
• M22: 21,180,216 km (0.083 R)
• M23: 23,044,804 km (0.04 R)
• M24: 25,404,112 km (0.055 R)
• M25: 29,940,219 km (0.076 R)
• M26: 30,487,597 km (0.068 R)
• M27: 33,091,947 km (0.091 R)
• M28: 35,352,370 km (0.081 R)
• M29: 37,082,470 km (0.092 R)
• M30: 39,782,562 km (0.109 R)
• M31: 40,978,746 km (0.079 R)
• M32: 50,648,902 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.4

Radius: 6.1

Gravity: 25.46 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 18.5 AU - 18.5 AU

Year: 28637 Days

Day: 23.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 107,696,240 km

• M1: 77,342 km (0.089 R)
• M2: 301,589 km (0.08 R)
• M3: 813,962 km (0.063 R)
• M4: 1,072,467 km (0.061 R)
• M5: 1,508,545 km (0.105 R)
• M6: 1,737,280 km (0.037 R)
• M7: 2,033,633 km (0.096 R)
• M8: 2,810,794 km (0.119 R)
• M9: 3,010,807 km (0.045 R)
• M10: 3,471,718 km (0.071 R)
• M11: 5,266,294 km (0.119 R)
• M12: 6,265,308 km (0.116 R)
• M13: 7,172,320 km (0.059 R)
• M14: 7,547,512 km (0.085 R)
• M15: 7,935,868 km (0.108 R)
• M16: 10,757,433 km (0.12 R)
• M17: 15,383,448 km (0.072 R)
• M18: 17,116,540 km (0.085 R)
• M19: 19,281,071 km (0.055 R)
• M20: 24,383,705 km (0.08 R)
• M21: 25,724,850 km (0.031 R)
• M22: 28,024,169 km (0.079 R)
• M23: 29,767,732 km (0.119 R)
• M24: 32,589,298 km (0.099 R)
• M25: 33,617,484 km (0.061 R)
• M26: 35,276,674 km (0.095 R)
• M27: 36,831,744 km (0.118 R)
• M28: 42,634,047 km (0.088 R)
• M29: 47,318,554 km (0.113 R)
• M30: 48,068,489 km (0.102 R)
• M31: 50,951,090 km (0.115 R)
• M32: 52,935,655 km (0.062 R)
• M33: 58,765,335 km (0.081 R)
• M34: 66,168,185 km (0.097 R)
• M35: 68,528,391 km (0.109 R)
• M36: 69,488,061 km (0.12 R)
• M37: 70,700,103 km (0.107 R)
• M38: 72,917,293 km (0.089 R)
• M39: 73,666,479 km (0.107 R)
• M40: 74,420,752 km (0.119 R)
• M41: 74,673,423 km (0.078 R)
• M42: 75,944,855 km (0.111 R)
• M43: 80,110,707 km (0.084 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 19,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit