🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.52 AU - 0.56 AU

Year: 260 Days

Day: 29 Hours

Environment

Temp: -122 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,220,741 km

• M1: 78,389 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.51 AU - 0.79 AU

Year: 344 Days

Day: 21.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 9.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.9 AU - 1.02 AU

Year: 617 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,220,741 km

• M1: 120,725 km (0.109 R)
• M2: 449,691 km (0.11 R)
• M3: 786,735 km (0.074 R)
• M4: 1,166,115 km (0.107 R)
• M5: 1,515,127 km (0.086 R)
• M6: 2,328,341 km (0.071 R)
• M7: 3,216,653 km (0.109 R)
• M8: 3,690,280 km (0.103 R)
• M9: 4,331,606 km (0.052 R)
• M10: 4,646,959 km (0.036 R)
• M11: 5,166,213 km (0.08 R)
• M12: 5,575,961 km (0.078 R)
• M13: 6,420,741 km (0.118 R)
• M14: 7,217,050 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.1

Radius: 14.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.12 AU - 1.36 AU

Year: 906 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,220,741 km

• M1: 176,825 km (0.11 R)
• M2: 683,064 km (0.113 R)
• M3: 1,478,925 km (0.072 R)
• M4: 2,115,463 km (0.037 R)
• M5: 3,395,872 km (0.111 R)
• M6: 3,855,736 km (0.117 R)
• M7: 5,895,652 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 14.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.14 AU - 1.5 AU

Year: 995 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,220,741 km

• M1: 180,864 km (0.086 R)
• M2: 681,717 km (0.081 R)
• M3: 1,133,952 km (0.039 R)
• M4: 1,969,007 km (0.048 R)
• M5: 2,901,152 km (0.03 R)
• M6: 3,587,507 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 9.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.68 AU - 2.08 AU

Year: 1691 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,220,741 km

• M1: 120,725 km (0.074 R)
• M2: 569,369 km (0.089 R)
• M3: 910,453 km (0.07 R)
• M4: 2,126,983 km (0.101 R)
• M5: 3,432,523 km (0.086 R)
• M6: 4,298,096 km (0.095 R)
• M7: 5,068,675 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.1

Radius: 14.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.84 AU - 2.94 AU

Year: 2424 Days

Day: 11 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,220,741 km

• M1: 186,698 km (0.098 R)
• M2: 655,388 km (0.031 R)
• M3: 1,313,619 km (0.036 R)
• M4: 2,300,815 km (0.08 R)
• M5: 2,844,753 km (0.105 R)
• M6: 3,338,276 km (0.099 R)
• M7: 4,041,237 km (0.055 R)
• M8: 5,199,723 km (0.117 R)
• M9: 5,795,122 km (0.111 R)
• M10: 9,730,444 km (0.12 R)
• M11: 11,721,442 km (0.091 R)
• M12: 14,335,066 km (0.089 R)
• M13: 17,630,109 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 11.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.57 AU - 6.61 AU

Year: 8670 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 64.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,220,741 km

• M1: 146,905 km (0.113 R)
• M2: 563,386 km (0.108 R)
• M3: 998,416 km (0.052 R)
• M4: 1,448,706 km (0.119 R)
• M5: 1,856,510 km (0.093 R)
• M6: 3,197,355 km (0.103 R)
• M7: 4,380,824 km (0.08 R)
• M8: 5,014,969 km (0.111 R)
• M9: 5,460,921 km (0.088 R)
• M10: 7,478,398 km (0.104 R)
• M11: 9,997,327 km (0.051 R)
• M12: 11,197,401 km (0.109 R)
• M13: 11,754,802 km (0.105 R)
• M14: 12,761,446 km (0.11 R)
• M15: 13,824,489 km (0.109 R)
• M16: 14,824,999 km (0.07 R)
• M17: 18,885,534 km (0.107 R)
• M18: 23,305,254 km (0.11 R)
• M19: 24,047,858 km (0.118 R)
• M20: 27,723,328 km (0.102 R)
• M21: 29,790,770 km (0.105 R)
• M22: 31,457,291 km (0.113 R)
• M23: 31,858,213 km (0.057 R)
• M24: 33,914,585 km (0.067 R)
• M25: 34,975,234 km (0.119 R)
• M26: 36,718,199 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.6

Radius: 8

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.23 AU - 7.43 AU

Year: 10448 Days

Day: 18.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,220,741 km

• M1: 99,931 km (0.108 R)
• M2: 520,301 km (0.069 R)
• M3: 865,723 km (0.096 R)
• M4: 1,584,989 km (0.09 R)
• M5: 2,350,033 km (0.117 R)
• M6: 2,848,493 km (0.102 R)
• M7: 3,620,717 km (0.089 R)
• M8: 4,256,957 km (0.11 R)
• M9: 5,331,219 km (0.115 R)
• M10: 5,714,788 km (0.085 R)
• M11: 6,694,804 km (0.053 R)
• M12: 11,461,740 km (0.095 R)
• M13: 11,807,760 km (0.081 R)
• M14: 12,101,570 km (0.053 R)
• M15: 13,643,775 km (0.067 R)
• M16: 15,451,814 km (0.068 R)
• M17: 16,668,943 km (0.119 R)
• M18: 20,702,849 km (0.082 R)
• M19: 26,930,908 km (0.099 R)
• M20: 28,795,047 km (0.117 R)
• M21: 32,433,118 km (0.093 R)
• M22: 34,302,493 km (0.082 R)
• M23: 35,873,420 km (0.098 R)
• M24: 36,242,777 km (0.105 R)
• M25: 39,549,638 km (0.105 R)
• M26: 39,943,679 km (0.108 R)
• M27: 41,953,376 km (0.089 R)
• M28: 43,191,000 km (0.099 R)
• M29: 45,883,462 km (0.092 R)
• M30: 47,788,890 km (0.1 R)
• M31: 51,756,824 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.7

Radius: 8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.57 AU - 12.11 AU

Year: 20249 Days

Day: 16.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,220,741 km

• M1: 108,159 km (0.096 R)
• M2: 1,139,038 km (0.117 R)
• M3: 2,726,870 km (0.088 R)
• M4: 6,651,720 km (0.062 R)
• M5: 7,422,598 km (0.116 R)
• M6: 7,692,323 km (0.101 R)
• M7: 8,966,747 km (0.045 R)
• M8: 11,564,963 km (0.074 R)
• M9: 34,999,469 km (0.092 R)
• M10: 35,432,555 km (0.11 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: 518 - 11,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit