🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.8 AU

Year: 214 Days

Day: 27.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.93 AU - 1.53 AU

Year: 498 Days

Day: 22.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.32 AU - 2.38 AU

Year: 1316 Days

Day: 25.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,466,047 km

• M1: 41,588 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.17 AU - 3.07 AU

Year: 1549 Days

Day: 17.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.49 AU - 3.01 AU

Year: 1666 Days

Day: 36.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 14.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.83 AU - 11.79 AU

Year: 11223 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,466,047 km

• M1: 200,910 km (0.114 R)
• M2: 689,347 km (0.102 R)
• M3: 1,256,622 km (0.112 R)
• M4: 1,756,877 km (0.091 R)
• M5: 3,028,011 km (0.065 R)
• M6: 3,490,418 km (0.114 R)
• M7: 10,016,475 km (0.083 R)
• M8: 11,838,427 km (0.059 R)
• M9: 12,828,167 km (0.113 R)
• M10: 14,909,971 km (0.109 R)
• M11: 16,462,049 km (0.082 R)
• M12: 17,002,546 km (0.103 R)
• M13: 18,550,585 km (0.105 R)
• M14: 25,064,824 km (0.093 R)
• M15: 25,510,775 km (0.087 R)
• M16: 26,327,131 km (0.112 R)
• M17: 30,773,778 km (0.083 R)
• M18: 38,346,572 km (0.055 R)
• M19: 38,939,279 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.2

Radius: 6.4

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 12.42 AU - 15.34 AU

Year: 18887 Days

Day: 17.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,466,047 km

• M1: 81,680 km (0.051 R)
• M2: 303,833 km (0.048 R)
• M3: 698,472 km (0.103 R)
• M4: 926,160 km (0.039 R)
• M5: 1,230,442 km (0.108 R)
• M6: 1,567,786 km (0.049 R)
• M7: 3,376,274 km (0.094 R)
• M8: 4,321,583 km (0.096 R)
• M9: 6,678,498 km (0.118 R)
• M10: 7,437,408 km (0.094 R)
• M11: 8,252,417 km (0.077 R)
• M12: 9,178,877 km (0.072 R)
• M13: 10,519,273 km (0.079 R)
• M14: 11,114,673 km (0.109 R)
• M15: 16,630,945 km (0.113 R)
• M16: 17,031,418 km (0.101 R)
• M17: 18,356,108 km (0.098 R)
• M18: 18,956,743 km (0.071 R)
• M19: 19,837,276 km (0.114 R)
• M20: 21,208,789 km (0.061 R)
• M21: 21,585,028 km (0.047 R)
• M22: 30,431,049 km (0.07 R)
• M23: 32,251,655 km (0.092 R)
• M24: 36,644,896 km (0.105 R)
• M25: 38,285,985 km (0.118 R)
• M26: 38,984,008 km (0.094 R)
• M27: 42,900,630 km (0.112 R)
• M28: 45,808,813 km (0.058 R)
• M29: 46,595,398 km (0.111 R)
• M30: 54,084,717 km (0.112 R)
• M31: 58,021,684 km (0.091 R)
• M32: 59,313,312 km (0.066 R)
• M33: 60,247,550 km (0.037 R)
• M34: 62,915,628 km (0.081 R)
• M35: 66,460,500 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.5

Radius: 3.5

Gravity: 52.12 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.63 AU - 15.23 AU

Year: 18990 Days

Day: 21.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,466,047 km

• M1: 43,533 km (0.098 R)
• M2: 212,279 km (0.066 R)
• M3: 326,572 km (0.097 R)
• M4: 617,540 km (0.104 R)
• M5: 746,793 km (0.113 R)
• M6: 986,748 km (0.112 R)
• M7: 1,124,826 km (0.11 R)
• M8: 1,319,304 km (0.051 R)
• M9: 2,552,588 km (0.099 R)
• M10: 3,199,898 km (0.12 R)
• M11: 3,678,312 km (0.08 R)
• M12: 4,300,191 km (0.098 R)
• M13: 4,917,132 km (0.075 R)
• M14: 5,172,346 km (0.097 R)
• M15: 5,284,395 km (0.113 R)
• M16: 6,197,989 km (0.11 R)
• M17: 6,802,814 km (0.083 R)
• M18: 8,079,033 km (0.093 R)
• M19: 9,845,036 km (0.027 R)
• M20: 10,075,267 km (0.106 R)
• M21: 13,123,922 km (0.104 R)
• M22: 13,473,083 km (0.102 R)
• M23: 13,900,036 km (0.028 R)
• M24: 15,007,060 km (0.106 R)
• M25: 15,776,891 km (0.032 R)
• M26: 19,841,166 km (0.068 R)
• M27: 25,944,160 km (0.091 R)
• M28: 29,834,752 km (0.054 R)
• M29: 38,604,030 km (0.083 R)
• M30: 41,670,038 km (0.106 R)
• M31: 45,685,694 km (0.104 R)
• M32: 48,115,911 km (0.082 R)
• M33: 50,120,971 km (0.085 R)
• M34: 55,375,896 km (0.068 R)
• M35: 65,535,237 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491

Radius: 4.3

Gravity: 26.55 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 15.47 AU - 21.15 AU

Year: 28617 Days

Day: 21.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,466,047 km

• M1: 54,005 km (0.119 R)
• M2: 270,772 km (0.036 R)
• M3: 407,355 km (0.074 R)
• M4: 1,278,164 km (0.107 R)
• M5: 1,469,500 km (0.111 R)
• M6: 2,294,532 km (0.104 R)
• M7: 3,663,951 km (0.1 R)
• M8: 5,793,926 km (0.071 R)
• M9: 6,455,597 km (0.077 R)
• M10: 10,855,121 km (0.084 R)
• M11: 14,118,897 km (0.089 R)
• M12: 15,066,899 km (0.08 R)
• M13: 16,310,506 km (0.115 R)
• M14: 33,393,835 km (0.101 R)
• M15: 52,190,658 km (0.103 R)
• M16: 56,760,424 km (0.118 R)
• M17: 62,212,070 km (0.079 R)
• M18: 84,664,017 km (0.07 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 - 14,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit