🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.51 AU - 0.65 AU

Year: 281 Days

Day: 18 Hours

Environment

Temp: -116 °C

Axial Tilt: 133.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 13.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.08 AU - 1.44 AU

Year: 899 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,084,528 km

• M1: 199,564 km (0.079 R)
• M2: 714,330 km (0.083 R)
• M3: 1,179,280 km (0.113 R)
• M4: 2,277,628 km (0.104 R)
• M5: 3,050,151 km (0.12 R)
• M6: 4,443,506 km (0.082 R)
• M7: 4,892,449 km (0.086 R)
• M8: 5,511,784 km (0.111 R)
• M9: 6,837,670 km (0.084 R)
• M10: 7,588,502 km (0.052 R)
• M11: 8,637,781 km (0.074 R)
• M12: 9,341,489 km (0.066 R)
• M13: 9,931,653 km (0.106 R)
• M14: 10,609,481 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 9.5

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.32 AU - 1.48 AU

Year: 1053 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,084,528 km

• M1: 119,977 km (0.091 R)
• M2: 449,242 km (0.043 R)
• M3: 860,188 km (0.105 R)
• M4: 1,424,621 km (0.05 R)
• M5: 1,818,512 km (0.036 R)
• M6: 2,371,276 km (0.084 R)
• M7: 2,828,447 km (0.084 R)
• M8: 3,274,249 km (0.099 R)
• M9: 3,616,828 km (0.042 R)
• M10: 4,110,800 km (0.096 R)
• M11: 4,441,860 km (0.025 R)
• M12: 4,862,828 km (0.118 R)
• M13: 5,177,134 km (0.101 R)
• M14: 5,504,753 km (0.082 R)
• M15: 6,180,786 km (0.103 R)
• M16: 6,528,002 km (0.101 R)
• M17: 6,980,237 km (0.091 R)
• M18: 8,811,165 km (0.095 R)
• M19: 9,335,805 km (0.063 R)
• M20: 9,649,063 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 11.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.26 AU - 2.9 AU

Year: 2635 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,084,528 km

• M1: 140,622 km (0.064 R)
• M2: 533,616 km (0.098 R)
• M3: 1,167,312 km (0.111 R)
• M4: 4,382,918 km (0.115 R)
• M5: 5,210,344 km (0.119 R)
• M6: 5,710,600 km (0.1 R)
• M7: 7,060,272 km (0.115 R)
• M8: 11,805,815 km (0.082 R)
• M9: 12,798,098 km (0.092 R)
• M10: 13,446,006 km (0.102 R)
• M11: 16,010,263 km (0.115 R)

Asteroid Belt

Center: 3.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 9.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.59 AU - 4.77 AU

Year: 6437 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,084,528 km

• M1: 113,096 km (0.108 R)
• M2: 1,105,827 km (0.118 R)
• M3: 1,831,078 km (0.108 R)
• M4: 2,276,132 km (0.11 R)
• M5: 2,639,355 km (0.086 R)
• M6: 3,364,157 km (0.075 R)
• M7: 4,969,641 km (0.062 R)
• M8: 6,042,408 km (0.097 R)
• M9: 7,634,428 km (0.106 R)
• M10: 9,648,913 km (0.114 R)
• M11: 16,302,428 km (0.056 R)
• M12: 17,000,302 km (0.1 R)
• M13: 20,389,442 km (0.062 R)
• M14: 22,525,849 km (0.049 R)
• M15: 23,028,049 km (0.103 R)
• M16: 24,429,183 km (0.045 R)
• M17: 25,886,116 km (0.071 R)
• M18: 26,675,844 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 10.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.04 AU - 6.3 AU

Year: 7474 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,084,528 km

• M1: 128,056 km (0.101 R)
• M2: 514,168 km (0.072 R)
• M3: 874,998 km (0.114 R)
• M4: 2,169,020 km (0.037 R)
• M5: 3,330,647 km (0.119 R)
• M6: 4,767,235 km (0.055 R)
• M7: 5,327,479 km (0.05 R)
• M8: 7,742,139 km (0.096 R)
• M9: 9,036,609 km (0.093 R)
• M10: 10,180,135 km (0.114 R)
• M11: 18,216,682 km (0.109 R)
• M12: 21,021,044 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664

Radius: 4.5

Gravity: 32.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.44 AU - 7.4 AU

Year: 11574 Days

Day: 19.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,084,528 km

• M1: 56,099 km (0.114 R)
• M2: 196,272 km (0.118 R)
• M3: 340,784 km (0.055 R)
• M4: 872,156 km (0.044 R)
• M5: 1,039,107 km (0.112 R)
• M6: 1,816,268 km (0.118 R)
• M7: 2,019,870 km (0.097 R)
• M8: 2,810,645 km (0.044 R)
• M9: 3,577,783 km (0.043 R)
• M10: 5,619,195 km (0.096 R)
• M11: 7,191,170 km (0.087 R)
• M12: 9,781,158 km (0.113 R)
• M13: 10,730,206 km (0.076 R)
• M14: 11,115,271 km (0.077 R)
• M15: 12,088,854 km (0.075 R)
• M16: 14,335,814 km (0.055 R)
• M17: 17,291,419 km (0.109 R)
• M18: 17,820,547 km (0.08 R)
• M19: 25,325,573 km (0.096 R)
• M20: 25,811,467 km (0.044 R)
• M21: 28,439,004 km (0.116 R)
• M22: 35,533,683 km (0.035 R)
• M23: 41,266,273 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.7

Radius: 3.9

Gravity: 38.97 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.23 AU - 9.11 AU

Year: 16232 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 63,084,528 km

• M1: 48,470 km (0.114 R)
• M2: 217,814 km (0.096 R)
• M3: 416,181 km (0.086 R)
• M4: 1,131,110 km (0.118 R)
• M5: 1,570,030 km (0.07 R)
• M6: 2,172,759 km (0.114 R)
• M7: 2,313,830 km (0.117 R)
• M8: 2,439,642 km (0.087 R)
• M9: 3,113,730 km (0.051 R)
• M10: 6,184,226 km (0.081 R)
• M11: 7,063,413 km (0.101 R)
• M12: 7,239,939 km (0.068 R)
• M13: 7,419,306 km (0.117 R)
• M14: 7,647,742 km (0.086 R)
• M15: 9,809,880 km (0.108 R)
• M16: 11,118,563 km (0.115 R)
• M17: 11,538,933 km (0.035 R)
• M18: 16,036,742 km (0.1 R)
• M19: 18,419,387 km (0.094 R)
• M20: 18,922,635 km (0.099 R)
• M21: 19,263,269 km (0.116 R)
• M22: 22,609,773 km (0.098 R)
• M23: 23,186,623 km (0.112 R)
• M24: 25,385,711 km (0.032 R)
• M25: 25,695,977 km (0.048 R)
• M26: 30,657,989 km (0.077 R)
• M27: 33,672,686 km (0.082 R)
• M28: 34,298,453 km (0.076 R)
• M29: 35,831,682 km (0.064 R)
• M30: 38,487,942 km (0.113 R)
• M31: 39,724,817 km (0.055 R)
• M32: 40,704,982 km (0.034 R)
• M33: 41,988,831 km (0.067 R)
• M34: 43,005,797 km (0.088 R)
• M35: 43,890,519 km (0.078 R)
• M36: 48,496,488 km (0.105 R)
• M37: 49,294,144 km (0.091 R)
• M38: 49,776,896 km (0.073 R)
• M39: 54,093,992 km (0.116 R)
• M40: 54,951,935 km (0.106 R)
• M41: 55,993,137 km (0.117 R)
• M42: 56,168,017 km (0.094 R)
• M43: 62,895,582 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 18,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit