🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.72 AU - 1.2 AU

Year: 345 Days

Day: 12.6 Hours

Environment

Temp: 45 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,686,396 km

• M1: 367,412 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.71 AU - 5.21 AU

Year: 3458 Days

Day: 33.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,686,396 km

• M1: 154,385 km (0.046 R)
• M2: 1,920,687 km (0.102 R)

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 8.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.78 AU - 6.18 AU

Year: 4709 Days

Day: 14.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,686,396 km

• M1: 104,569 km (0.041 R)
• M2: 537,206 km (0.089 R)
• M3: 1,376,151 km (0.1 R)
• M4: 3,136,619 km (0.107 R)
• M5: 3,765,378 km (0.071 R)
• M6: 4,637,235 km (0.113 R)
• M7: 6,624,942 km (0.095 R)
• M8: 7,175,761 km (0.107 R)
• M9: 8,686,400 km (0.07 R)
• M10: 9,308,728 km (0.116 R)
• M11: 11,876,725 km (0.046 R)
• M12: 12,828,317 km (0.094 R)
• M13: 13,927,861 km (0.039 R)
• M14: 14,525,953 km (0.087 R)
• M15: 16,313,498 km (0.114 R)
• M16: 16,922,062 km (0.085 R)
• M17: 17,317,001 km (0.107 R)
• M18: 18,958,987 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.7

Radius: 8.5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.07 AU - 6.63 AU

Year: 5874 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,686,396 km

• M1: 116,238 km (0.119 R)
• M2: 403,316 km (0.108 R)
• M3: 899,083 km (0.066 R)
• M4: 1,918,144 km (0.086 R)
• M5: 2,609,735 km (0.077 R)
• M6: 4,933,887 km (0.079 R)
• M7: 6,755,391 km (0.111 R)
• M8: 7,949,631 km (0.054 R)
• M9: 11,468,622 km (0.11 R)
• M10: 12,475,116 km (0.102 R)
• M11: 13,106,718 km (0.112 R)
• M12: 14,778,624 km (0.115 R)
• M13: 15,665,889 km (0.041 R)
• M14: 17,742,307 km (0.096 R)
• M15: 18,138,592 km (0.058 R)
• M16: 21,006,683 km (0.085 R)
• M17: 23,445,277 km (0.104 R)
• M18: 28,067,253 km (0.071 R)
• M19: 29,517,904 km (0.029 R)
• M20: 31,208,958 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 10.8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.2 AU - 7.68 AU

Year: 6711 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,686,396 km

• M1: 134,788 km (0.105 R)
• M2: 693,835 km (0.087 R)
• M3: 1,328,429 km (0.092 R)
• M4: 1,975,739 km (0.096 R)
• M5: 2,372,622 km (0.067 R)
• M6: 3,047,907 km (0.089 R)
• M7: 3,946,691 km (0.112 R)
• M8: 4,282,837 km (0.072 R)
• M9: 5,990,796 km (0.113 R)
• M10: 7,550,803 km (0.078 R)
• M11: 7,949,481 km (0.112 R)
• M12: 8,616,688 km (0.112 R)
• M13: 9,502,606 km (0.038 R)
• M14: 10,350,976 km (0.106 R)
• M15: 10,793,636 km (0.094 R)
• M16: 11,300,324 km (0.078 R)
• M17: 12,636,831 km (0.071 R)
• M18: 13,720,967 km (0.112 R)
• M19: 15,814,141 km (0.043 R)
• M20: 19,862,259 km (0.112 R)
• M21: 22,531,085 km (0.094 R)
• M22: 24,901,613 km (0.046 R)
• M23: 25,966,750 km (0.11 R)
• M24: 27,154,706 km (0.068 R)
• M25: 29,737,065 km (0.075 R)
• M26: 31,444,425 km (0.113 R)
• M27: 36,958,154 km (0.094 R)
• M28: 40,243,323 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 3.4

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.03 AU - 13.37 AU

Year: 16614 Days

Day: 20.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,686,396 km

• M1: 52,359 km (0.07 R)
• M2: 237,412 km (0.107 R)
• M3: 587,172 km (0.114 R)
• M4: 769,232 km (0.039 R)
• M5: 2,668,377 km (0.052 R)
• M6: 6,266,954 km (0.11 R)
• M7: 10,838,665 km (0.114 R)
• M8: 12,363,815 km (0.108 R)
• M9: 13,437,180 km (0.065 R)
• M10: 16,622,418 km (0.118 R)
• M11: 24,258,342 km (0.04 R)
• M12: 35,917,252 km (0.078 R)
• M13: 36,820,674 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.4

Radius: 4.8

Gravity: 40.38 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 14.14 AU - 15.62 AU

Year: 21071 Days

Day: 20.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,686,396 km

• M1: 61,036 km (0.102 R)
• M2: 217,964 km (0.085 R)
• M3: 390,750 km (0.05 R)
• M4: 1,120,488 km (0.084 R)
• M5: 1,389,615 km (0.118 R)
• M6: 2,297,973 km (0.044 R)
• M7: 2,943,488 km (0.074 R)
• M8: 3,221,441 km (0.069 R)
• M9: 3,577,932 km (0.12 R)
• M10: 4,475,968 km (0.095 R)
• M11: 5,851,521 km (0.116 R)
• M12: 6,611,927 km (0.086 R)
• M13: 6,799,971 km (0.081 R)
• M14: 8,110,897 km (0.117 R)
• M15: 8,657,229 km (0.117 R)
• M16: 9,169,452 km (0.105 R)
• M17: 11,089,241 km (0.06 R)
• M18: 16,634,535 km (0.097 R)
• M19: 17,694,137 km (0.095 R)
• M20: 20,438,959 km (0.091 R)
• M21: 21,243,346 km (0.043 R)
• M22: 22,701,477 km (0.097 R)
• M23: 24,898,172 km (0.074 R)
• M24: 27,473,799 km (0.095 R)
• M25: 29,836,547 km (0.103 R)
• M26: 31,661,791 km (0.053 R)
• M27: 35,389,620 km (0.107 R)
• M28: 44,531,845 km (0.053 R)
• M29: 45,710,976 km (0.082 R)
• M30: 49,194,362 km (0.097 R)
• M31: 53,414,069 km (0.059 R)
• M32: 53,602,862 km (0.086 R)
• M33: 54,171,783 km (0.09 R)
• M34: 56,683,680 km (0.083 R)
• M35: 65,760,681 km (0.086 R)
• M36: 66,849,604 km (0.06 R)
• M37: 67,508,732 km (0.066 R)
• M38: 68,394,202 km (0.082 R)
• M39: 70,188,479 km (0.062 R)
• M40: 81,367,329 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.1

Radius: 5.8

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 16.02 AU - 19.74 AU

Year: 27754 Days

Day: 23.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,686,396 km

• M1: 116,686 km (0.115 R)
• M2: 2,753,498 km (0.079 R)
• M3: 4,056,645 km (0.076 R)
• M4: 5,725,410 km (0.087 R)
• M5: 6,427,921 km (0.108 R)
• M6: 7,805,269 km (0.074 R)
• M7: 8,002,738 km (0.077 R)
• M8: 8,562,982 km (0.046 R)
• M9: 12,418,867 km (0.087 R)
• M10: 18,229,099 km (0.06 R)
• M11: 28,088,795 km (0.117 R)
• M12: 33,872,997 km (0.082 R)
• M13: 38,093,452 km (0.118 R)
• M14: 48,718,043 km (0.098 R)
• M15: 51,956,238 km (0.093 R)
• M16: 57,542,971 km (0.12 R)
• M17: 63,119,530 km (0.076 R)
• M18: 68,625,480 km (0.073 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: 470 - 18,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit