🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.81 AU - 0.97 AU

Year: 310 Days

Day: 30.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 0 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.05 AU - 4.03 AU

Year: 2457 Days

Day: 35.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.63 AU - 4.39 AU

Year: 2963 Days

Day: 46.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,989,100 km

• M1: 217,964 km (0.033 R)
• M2: 288,425 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.56 AU - 4.5 AU

Year: 2985 Days

Day: 25.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 14.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.1 AU - 11.24 AU

Year: 11966 Days

Day: 10.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 103,989,100 km

• M1: 179,069 km (0.047 R)
• M2: 702,960 km (0.105 R)
• M3: 2,049,491 km (0.12 R)
• M4: 2,875,121 km (0.11 R)
• M5: 3,724,987 km (0.054 R)
• M6: 4,282,389 km (0.088 R)
• M7: 5,531,680 km (0.086 R)
• M8: 6,728,164 km (0.087 R)
• M9: 7,177,407 km (0.081 R)
• M10: 8,091,001 km (0.109 R)
• M11: 10,044,599 km (0.106 R)
• M12: 10,687,870 km (0.09 R)
• M13: 12,784,036 km (0.111 R)
• M14: 13,668,907 km (0.077 R)
• M15: 16,060,528 km (0.12 R)
• M16: 19,365,893 km (0.09 R)
• M17: 21,924,765 km (0.078 R)
• M18: 24,318,480 km (0.109 R)
• M19: 25,186,298 km (0.119 R)
• M20: 25,776,162 km (0.11 R)
• M21: 28,758,545 km (0.066 R)
• M22: 30,388,115 km (0.104 R)
• M23: 32,193,462 km (0.116 R)
• M24: 35,278,170 km (0.108 R)
• M25: 36,515,344 km (0.053 R)
• M26: 42,304,931 km (0.067 R)
• M27: 47,624,781 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 8.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 9.56 AU - 14.28 AU

Year: 15184 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 103,989,100 km

• M1: 104,569 km (0.114 R)
• M2: 446,250 km (0.079 R)
• M3: 1,180,028 km (0.096 R)
• M4: 1,501,963 km (0.06 R)
• M5: 1,868,328 km (0.099 R)
• M6: 3,689,083 km (0.04 R)
• M7: 4,646,510 km (0.102 R)
• M8: 5,791,682 km (0.108 R)
• M9: 6,298,818 km (0.071 R)
• M10: 10,119,398 km (0.112 R)
• M11: 10,621,598 km (0.106 R)
• M12: 11,478,944 km (0.088 R)
• M13: 12,798,098 km (0.118 R)
• M14: 20,500,892 km (0.071 R)
• M15: 23,684,185 km (0.103 R)
• M16: 26,405,520 km (0.047 R)
• M17: 27,182,382 km (0.079 R)
• M18: 28,601,019 km (0.083 R)
• M19: 28,872,389 km (0.086 R)
• M20: 29,236,959 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.5

Radius: 5.6

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 10.03 AU - 14.43 AU

Year: 15780 Days

Day: 15 Hours

Environment

Temp: -178 °C

Axial Tilt: 85 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 103,989,100 km

• M1: 69,713 km (0.113 R)
• M2: 328,966 km (0.087 R)
• M3: 1,016,667 km (0.119 R)
• M4: 1,370,316 km (0.092 R)
• M5: 1,622,838 km (0.116 R)
• M6: 3,078,874 km (0.076 R)
• M7: 4,699,916 km (0.049 R)
• M8: 5,136,742 km (0.109 R)
• M9: 6,902,446 km (0.083 R)
• M10: 10,531,391 km (0.083 R)
• M11: 11,103,004 km (0.067 R)
• M12: 11,574,986 km (0.114 R)
• M13: 16,066,363 km (0.026 R)
• M14: 17,288,428 km (0.108 R)
• M15: 21,056,050 km (0.062 R)
• M16: 22,799,015 km (0.099 R)
• M17: 26,883,336 km (0.066 R)
• M18: 28,710,823 km (0.108 R)
• M19: 35,949,864 km (0.12 R)
• M20: 36,851,042 km (0.11 R)
• M21: 40,468,618 km (0.111 R)
• M22: 43,876,906 km (0.109 R)
• M23: 44,757,888 km (0.099 R)
• M24: 45,650,688 km (0.115 R)
• M25: 51,257,915 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.5

Radius: 4.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 12.04 AU - 19.14 AU

Year: 22712 Days

Day: 22.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 103,989,100 km

• M1: 71,957 km (0.047 R)
• M2: 245,789 km (0.115 R)
• M3: 814,560 km (0.106 R)
• M4: 1,211,144 km (0.038 R)
• M5: 1,690,306 km (0.107 R)
• M6: 2,257,282 km (0.103 R)
• M7: 3,634,480 km (0.092 R)
• M8: 4,806,879 km (0.055 R)
• M9: 5,571,773 km (0.088 R)
• M10: 6,011,291 km (0.114 R)
• M11: 8,314,350 km (0.066 R)
• M12: 9,297,208 km (0.077 R)
• M13: 13,563,441 km (0.091 R)
• M14: 15,818,928 km (0.11 R)
• M15: 20,602,320 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.3

Radius: 6.8

Gravity: 20.14 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 16.04 AU - 19.3 AU

Year: 27405 Days

Day: 21.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 103,989,100 km

• M1: 84,672 km (0.105 R)
• M2: 328,966 km (0.119 R)
• M3: 1,221,317 km (0.104 R)
• M4: 2,084,646 km (0.116 R)
• M5: 2,365,442 km (0.118 R)
• M6: 2,698,147 km (0.087 R)
• M7: 3,120,462 km (0.041 R)
• M8: 4,204,598 km (0.03 R)
• M9: 4,616,291 km (0.103 R)
• M10: 5,967,908 km (0.106 R)
• M11: 8,288,171 km (0.091 R)
• M12: 8,875,342 km (0.093 R)
• M13: 9,743,459 km (0.065 R)
• M14: 12,763,391 km (0.068 R)
• M15: 16,264,729 km (0.086 R)
• M16: 19,734,951 km (0.047 R)
• M17: 24,018,537 km (0.08 R)
• M18: 25,330,360 km (0.031 R)
• M19: 27,450,461 km (0.114 R)
• M20: 30,092,659 km (0.096 R)
• M21: 31,195,494 km (0.085 R)
• M22: 40,671,472 km (0.072 R)
• M23: 41,848,658 km (0.083 R)
• M24: 44,801,870 km (0.103 R)
• M25: 50,539,397 km (0.108 R)
• M26: 53,283,620 km (0.065 R)
• M27: 56,539,917 km (0.112 R)
• M28: 58,853,897 km (0.073 R)
• M29: 60,142,383 km (0.119 R)
• M30: 64,120,490 km (0.078 R)
• M31: 69,692,412 km (0.075 R)
• M32: 73,828,943 km (0.086 R)
• M33: 92,012,714 km (0.088 R)
• M34: 93,166,562 km (0.115 R)
• M35: 93,747,151 km (0.038 R)
• M36: 100,597,836 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 17,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit