🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.11 AU - 1.37 AU

Year: 509 Days

Day: 34.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.32 AU - 3.56 AU

Year: 1860 Days

Day: 40.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,381,896 km

• M1: 11,519 km (0.111 R)
• M2: 25,581 km (0.025 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.25 AU - 3.67 AU

Year: 1879 Days

Day: 47.2 Hours

Environment

Temp: -94 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,381,896 km

• M1: 957,875 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 10

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.2 AU - 5.12 AU

Year: 3712 Days

Day: 6.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,381,896 km

• M1: 124,316 km (0.066 R)
• M2: 439,818 km (0.108 R)
• M3: 893,099 km (0.089 R)
• M4: 1,485,956 km (0.057 R)
• M5: 2,350,781 km (0.087 R)
• M6: 2,805,858 km (0.077 R)
• M7: 3,237,298 km (0.104 R)
• M8: 3,695,067 km (0.102 R)
• M9: 4,372,447 km (0.102 R)
• M10: 4,868,513 km (0.117 R)
• M11: 6,172,857 km (0.114 R)
• M12: 6,664,436 km (0.115 R)
• M13: 8,083,671 km (0.045 R)
• M14: 9,059,198 km (0.116 R)
• M15: 9,626,623 km (0.104 R)
• M16: 10,395,706 km (0.088 R)
• M17: 11,054,983 km (0.079 R)
• M18: 11,780,982 km (0.064 R)
• M19: 12,497,705 km (0.086 R)
• M20: 12,949,790 km (0.1 R)
• M21: 13,583,935 km (0.106 R)
• M22: 13,974,236 km (0.111 R)
• M23: 15,563,863 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 11.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.8 AU - 6.68 AU

Year: 5751 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,381,896 km

• M1: 138,228 km (0.078 R)
• M2: 593,754 km (0.104 R)
• M3: 977,772 km (0.062 R)
• M4: 1,326,784 km (0.111 R)
• M5: 1,788,143 km (0.09 R)
• M6: 2,179,791 km (0.077 R)
• M7: 3,581,672 km (0.103 R)
• M8: 4,260,847 km (0.045 R)
• M9: 4,913,392 km (0.116 R)
• M10: 5,423,671 km (0.043 R)
• M11: 6,958,994 km (0.088 R)
• M12: 7,530,158 km (0.103 R)
• M13: 8,970,936 km (0.061 R)
• M14: 10,961,634 km (0.072 R)
• M15: 13,123,772 km (0.108 R)
• M16: 17,486,794 km (0.094 R)
• M17: 17,943,816 km (0.096 R)
• M18: 19,087,192 km (0.06 R)
• M19: 23,119,753 km (0.087 R)
• M20: 27,511,348 km (0.025 R)
• M21: 30,228,643 km (0.082 R)
• M22: 32,136,615 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 14.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.68 AU - 7.14 AU

Year: 6702 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,381,896 km

• M1: 181,612 km (0.049 R)
• M2: 655,538 km (0.08 R)
• M3: 1,427,463 km (0.067 R)
• M4: 5,803,051 km (0.11 R)
• M5: 6,692,111 km (0.116 R)
• M6: 8,997,265 km (0.074 R)
• M7: 9,950,502 km (0.119 R)
• M8: 11,483,881 km (0.063 R)
• M9: 11,968,727 km (0.117 R)
• M10: 14,449,658 km (0.04 R)
• M11: 17,660,029 km (0.077 R)
• M12: 18,247,799 km (0.069 R)
• M13: 19,338,666 km (0.044 R)
• M14: 20,601,422 km (0.102 R)
• M15: 21,121,574 km (0.12 R)
• M16: 22,460,774 km (0.093 R)
• M17: 23,431,215 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772

Radius: 4.6

Gravity: 36.48 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 11.36 AU - 17.72 AU

Year: 20456 Days

Day: 17.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,381,896 km

• M1: 57,296 km (0.107 R)
• M2: 889,359 km (0.11 R)
• M3: 1,209,798 km (0.081 R)
• M4: 1,436,738 km (0.054 R)
• M5: 1,655,899 km (0.104 R)
• M6: 1,858,604 km (0.034 R)
• M7: 2,714,005 km (0.098 R)
• M8: 3,298,633 km (0.086 R)
• M9: 3,742,789 km (0.095 R)
• M10: 4,970,090 km (0.111 R)
• M11: 6,310,786 km (0.083 R)
• M12: 6,899,603 km (0.083 R)
• M13: 7,376,821 km (0.114 R)
• M14: 8,396,779 km (0.07 R)
• M15: 8,885,066 km (0.047 R)
• M16: 9,449,649 km (0.109 R)
• M17: 10,279,618 km (0.069 R)
• M18: 10,587,490 km (0.067 R)
• M19: 11,092,832 km (0.037 R)
• M20: 12,635,335 km (0.107 R)
• M21: 13,567,480 km (0.07 R)
• M22: 14,088,080 km (0.092 R)
• M23: 15,407,533 km (0.115 R)
• M24: 17,844,782 km (0.118 R)
• M25: 20,142,157 km (0.078 R)
• M26: 23,572,585 km (0.101 R)
• M27: 25,875,046 km (0.108 R)
• M28: 27,490,703 km (0.104 R)
• M29: 27,845,400 km (0.106 R)
• M30: 29,913,441 km (0.116 R)
• M31: 30,288,782 km (0.101 R)
• M32: 32,343,508 km (0.045 R)
• M33: 39,061,949 km (0.086 R)
• M34: 42,115,690 km (0.105 R)
• M35: 42,903,323 km (0.073 R)
• M36: 49,212,763 km (0.098 R)
• M37: 54,053,151 km (0.065 R)
• M38: 61,389,281 km (0.085 R)
• M39: 63,424,411 km (0.071 R)
• M40: 74,506,920 km (0.097 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: 226 - 16,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit