🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.44 AU - 0.56 AU

Year: 232 Days

Day: 37.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.59 AU - 0.75 AU

Year: 360 Days

Day: 37.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 9.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.76 AU - 0.76 AU

Year: 435 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,940,306 km

• M1: 116,836 km (0.118 R)
• M2: 437,275 km (0.086 R)
• M3: 839,842 km (0.116 R)
• M4: 1,176,737 km (0.097 R)
• M5: 1,558,211 km (0.089 R)
• M6: 1,920,687 km (0.092 R)
• M7: 2,356,765 km (0.108 R)
• M8: 2,670,621 km (0.12 R)
• M9: 3,327,206 km (0.1 R)
• M10: 3,675,769 km (0.063 R)
• M11: 4,271,318 km (0.08 R)
• M12: 4,827,673 km (0.116 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 8.7

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.41 AU - 2.95 AU

Year: 2878 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,940,306 km

• M1: 108,309 km (0.107 R)
• M2: 400,473 km (0.107 R)
• M3: 853,306 km (0.083 R)
• M4: 1,176,737 km (0.057 R)
• M5: 1,496,428 km (0.03 R)
• M6: 2,093,173 km (0.075 R)
• M7: 2,491,852 km (0.068 R)
• M8: 3,009,161 km (0.117 R)
• M9: 4,323,827 km (0.069 R)
• M10: 4,805,383 km (0.077 R)
• M11: 5,528,689 km (0.106 R)
• M12: 6,208,910 km (0.045 R)
• M13: 6,822,411 km (0.05 R)
• M14: 10,472,001 km (0.085 R)
• M15: 11,858,773 km (0.103 R)
• M16: 15,406,187 km (0.088 R)
• M17: 17,820,547 km (0.066 R)
• M18: 18,402,483 km (0.109 R)
• M19: 20,666,347 km (0.087 R)
• M20: 21,243,945 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 13.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.46 AU - 4.44 AU

Year: 5150 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,940,306 km

• M1: 169,195 km (0.074 R)
• M2: 713,731 km (0.083 R)
• M3: 1,309,879 km (0.091 R)
• M4: 1,935,497 km (0.059 R)
• M5: 2,426,029 km (0.081 R)
• M6: 4,078,487 km (0.08 R)
• M7: 4,551,216 km (0.056 R)
• M8: 5,144,222 km (0.06 R)
• M9: 6,162,385 km (0.112 R)
• M10: 6,719,936 km (0.095 R)
• M11: 8,012,163 km (0.062 R)
• M12: 9,127,265 km (0.041 R)
• M13: 10,163,380 km (0.09 R)
• M14: 10,756,386 km (0.083 R)
• M15: 11,276,239 km (0.067 R)
• M16: 12,163,055 km (0.101 R)
• M17: 13,202,461 km (0.112 R)
• M18: 16,802,683 km (0.095 R)
• M19: 17,698,176 km (0.076 R)
• M20: 20,360,869 km (0.063 R)
• M21: 20,865,612 km (0.104 R)
• M22: 24,881,118 km (0.062 R)
• M23: 25,541,443 km (0.052 R)
• M24: 27,418,148 km (0.025 R)
• M25: 28,390,086 km (0.067 R)
• M26: 28,839,478 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 12.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.83 AU - 6.61 AU

Year: 8974 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,940,306 km

• M1: 153,039 km (0.115 R)
• M2: 556,205 km (0.109 R)
• M3: 1,140,385 km (0.117 R)
• M4: 1,831,826 km (0.105 R)
• M5: 2,274,187 km (0.088 R)
• M6: 2,870,783 km (0.104 R)
• M7: 4,435,726 km (0.103 R)
• M8: 4,994,923 km (0.113 R)
• M9: 6,545,804 km (0.108 R)
• M10: 7,392,080 km (0.097 R)
• M11: 8,841,683 km (0.069 R)
• M12: 9,586,082 km (0.075 R)
• M13: 10,780,471 km (0.075 R)
• M14: 11,630,187 km (0.053 R)
• M15: 13,584,085 km (0.096 R)
• M16: 14,260,567 km (0.111 R)
• M17: 15,482,033 km (0.087 R)
• M18: 17,264,941 km (0.062 R)
• M19: 19,798,081 km (0.057 R)
• M20: 21,646,064 km (0.04 R)
• M21: 24,137,018 km (0.087 R)
• M22: 27,487,711 km (0.057 R)
• M23: 29,579,239 km (0.089 R)
• M24: 33,965,149 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.5

Radius: 3.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.46 AU - 9.82 AU

Year: 15235 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 128.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,940,306 km

• M1: 49,068 km (0.105 R)
• M2: 329,415 km (0.114 R)
• M3: 453,880 km (0.111 R)
• M4: 665,711 km (0.093 R)
• M5: 1,870,721 km (0.11 R)
• M6: 2,245,614 km (0.117 R)
• M7: 3,039,679 km (0.098 R)
• M8: 3,835,540 km (0.072 R)
• M9: 5,395,397 km (0.052 R)
• M10: 8,417,124 km (0.043 R)
• M11: 8,662,465 km (0.096 R)
• M12: 9,647,118 km (0.11 R)
• M13: 11,887,196 km (0.059 R)
• M14: 12,616,037 km (0.071 R)
• M15: 12,991,528 km (0.069 R)
• M16: 18,571,528 km (0.113 R)
• M17: 24,223,037 km (0.1 R)
• M18: 29,869,758 km (0.107 R)
• M19: 30,059,149 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.6

Radius: 5.2

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.62 AU - 8.76 AU

Year: 15376 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,940,306 km

• M1: 64,626 km (0.111 R)
• M2: 279,150 km (0.069 R)
• M3: 462,557 km (0.086 R)
• M4: 1,269,637 km (0.112 R)
• M5: 2,275,683 km (0.096 R)
• M6: 3,481,591 km (0.081 R)
• M7: 3,839,579 km (0.113 R)
• M8: 4,012,813 km (0.089 R)
• M9: 4,282,538 km (0.116 R)
• M10: 4,596,544 km (0.089 R)
• M11: 5,704,765 km (0.063 R)
• M12: 6,522,318 km (0.089 R)
• M13: 7,065,956 km (0.1 R)
• M14: 8,581,233 km (0.104 R)
• M15: 8,778,403 km (0.102 R)
• M16: 11,388,288 km (0.05 R)
• M17: 11,626,747 km (0.116 R)
• M18: 11,807,610 km (0.111 R)
• M19: 13,789,483 km (0.088 R)
• M20: 17,672,894 km (0.07 R)
• M21: 19,563,811 km (0.111 R)
• M22: 25,527,381 km (0.077 R)
• M23: 28,588,153 km (0.079 R)
• M24: 29,250,722 km (0.112 R)
• M25: 29,585,672 km (0.074 R)
• M26: 31,183,078 km (0.079 R)
• M27: 33,199,059 km (0.072 R)
• M28: 34,424,714 km (0.068 R)
• M29: 36,835,783 km (0.077 R)
• M30: 38,148,953 km (0.052 R)
• M31: 46,083,624 km (0.063 R)
• M32: 50,754,818 km (0.115 R)
• M33: 51,077,051 km (0.113 R)
• M34: 51,562,796 km (0.11 R)
• M35: 52,873,423 km (0.1 R)
• M36: 53,038,728 km (0.08 R)
• M37: 53,537,039 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 11,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit