🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.77 AU

Year: 210 Days

Day: 17.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 81,008,396 km

• M1: 42,037 km (0.109 R)
• M2: 552,016 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.98 AU - 1.18 AU

Year: 421 Days

Day: 19.2 Hours

Environment

Temp: -6 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 81,008,396 km

• M1: 53,855 km (0.081 R)
• M2: 775,964 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.11 AU - 1.21 AU

Year: 468 Days

Day: 13.3 Hours

Environment

Temp: -4 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,008,396 km

• M1: 906,563 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.45 AU - 1.81 AU

Year: 780 Days

Day: 45.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,008,396 km

• M1: 608,863 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.37 AU - 2.21 AU

Year: 897 Days

Day: 34.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,008,396 km

• M1: 43,683 km (0.08 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.88 AU - 3.64 AU

Year: 2206 Days

Day: 31.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 12.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.89 AU - 8.19 AU

Year: 7000 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,008,396 km

• M1: 155,432 km (0.098 R)
• M2: 740,210 km (0.045 R)
• M3: 1,297,612 km (0.115 R)
• M4: 1,823,000 km (0.115 R)
• M5: 3,053,741 km (0.057 R)
• M6: 3,824,021 km (0.103 R)
• M7: 4,361,825 km (0.11 R)
• M8: 5,371,012 km (0.113 R)
• M9: 5,881,590 km (0.114 R)
• M10: 6,459,486 km (0.076 R)
• M11: 7,187,579 km (0.062 R)
• M12: 7,889,044 km (0.03 R)
• M13: 9,159,130 km (0.099 R)
• M14: 9,936,889 km (0.077 R)
• M15: 10,610,229 km (0.11 R)
• M16: 11,109,587 km (0.044 R)
• M17: 12,702,505 km (0.115 R)
• M18: 14,082,695 km (0.098 R)
• M19: 15,688,179 km (0.1 R)
• M20: 17,207,345 km (0.056 R)
• M21: 17,897,590 km (0.076 R)
• M22: 18,606,235 km (0.074 R)
• M23: 23,508,857 km (0.062 R)
• M24: 25,053,754 km (0.117 R)
• M25: 26,120,686 km (0.057 R)
• M26: 28,155,067 km (0.061 R)
• M27: 30,793,674 km (0.088 R)
• M28: 34,129,557 km (0.102 R)
• M29: 38,863,732 km (0.097 R)
• M30: 39,693,102 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 14.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.88 AU - 14.56 AU

Year: 15036 Days

Day: 10 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,008,396 km

• M1: 214,673 km (0.091 R)
• M2: 688,150 km (0.117 R)
• M3: 1,599,949 km (0.102 R)
• M4: 2,136,108 km (0.056 R)
• M5: 2,751,554 km (0.11 R)
• M6: 3,388,691 km (0.102 R)
• M7: 3,989,326 km (0.069 R)
• M8: 4,485,842 km (0.117 R)
• M9: 4,931,195 km (0.088 R)
• M10: 6,194,249 km (0.062 R)
• M11: 10,646,731 km (0.119 R)
• M12: 12,397,325 km (0.101 R)
• M13: 13,220,861 km (0.09 R)
• M14: 15,372,976 km (0.108 R)
• M15: 17,385,816 km (0.088 R)
• M16: 20,442,998 km (0.112 R)
• M17: 24,111,586 km (0.105 R)
• M18: 24,747,677 km (0.094 R)
• M19: 26,627,224 km (0.111 R)
• M20: 30,775,124 km (0.1 R)
• M21: 32,946,986 km (0.117 R)
• M22: 34,756,522 km (0.047 R)
• M23: 36,512,502 km (0.11 R)
• M24: 43,191,448 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 3.7

Gravity: 43.64 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.42 AU - 12.98 AU

Year: 16960 Days

Day: 17.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,008,396 km

• M1: 47,722 km (0.083 R)
• M2: 244,443 km (0.108 R)
• M3: 432,039 km (0.1 R)
• M4: 858,841 km (0.047 R)
• M5: 2,280,320 km (0.026 R)
• M6: 3,966,588 km (0.102 R)
• M7: 5,781,659 km (0.113 R)
• M8: 8,730,831 km (0.108 R)
• M9: 11,910,534 km (0.079 R)
• M10: 14,892,468 km (0.115 R)
• M11: 17,188,496 km (0.087 R)
• M12: 32,381,058 km (0.058 R)
• M13: 39,736,486 km (0.059 R)
• M14: 42,758,811 km (0.081 R)
• M15: 43,799,265 km (0.095 R)
• M16: 48,771,449 km (0.1 R)
• M17: 52,907,980 km (0.081 R)
• M18: 55,674,493 km (0.11 R)
• M19: 59,817,905 km (0.054 R)
• M20: 60,931,662 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.2

Radius: 7.2

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.16 AU - 16.68 AU

Year: 22691 Days

Day: 22.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,008,396 km

• M1: 89,609 km (0.118 R)
• M2: 466,446 km (0.115 R)
• M3: 1,048,681 km (0.047 R)
• M4: 1,544,897 km (0.103 R)
• M5: 2,716,249 km (0.059 R)
• M6: 2,971,163 km (0.106 R)
• M7: 4,635,739 km (0.087 R)
• M8: 5,191,046 km (0.085 R)
• M9: 5,914,950 km (0.109 R)
• M10: 7,562,023 km (0.065 R)
• M11: 8,330,956 km (0.118 R)
• M12: 9,667,912 km (0.057 R)
• M13: 10,083,495 km (0.042 R)
• M14: 10,635,212 km (0.082 R)
• M15: 12,620,226 km (0.111 R)
• M16: 13,116,592 km (0.071 R)
• M17: 19,096,168 km (0.098 R)
• M18: 20,130,937 km (0.119 R)
• M19: 21,501,403 km (0.061 R)
• M20: 32,219,641 km (0.037 R)
• M21: 33,146,400 km (0.084 R)
• M22: 35,192,001 km (0.096 R)
• M23: 37,610,401 km (0.026 R)
• M24: 37,901,967 km (0.116 R)
• M25: 39,083,491 km (0.107 R)
• M26: 40,748,066 km (0.107 R)
• M27: 41,831,454 km (0.106 R)
• M28: 46,357,837 km (0.101 R)
• M29: 47,538,463 km (0.063 R)
• M30: 50,488,683 km (0.103 R)
• M31: 53,008,210 km (0.118 R)
• M32: 60,666,425 km (0.076 R)
• M33: 61,067,646 km (0.074 R)
• M34: 61,875,325 km (0.057 R)
• M35: 65,387,434 km (0.118 R)
• M36: 66,871,295 km (0.096 R)
• M37: 70,347,352 km (0.063 R)
• M38: 73,713,752 km (0.103 R)
• M39: 79,081,773 km (0.071 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 18,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit