🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 23.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.58 AU - 0.7 AU

Year: 336 Days

Day: 33.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 9.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 7.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,622,268 km

• M1: 122,820 km (0.085 R)
• M2: 461,958 km (0.113 R)
• M3: 790,774 km (0.081 R)
• M4: 1,099,544 km (0.072 R)
• M5: 1,565,392 km (0.115 R)
• M6: 1,877,752 km (0.1 R)
• M7: 2,391,172 km (0.119 R)
• M8: 2,714,453 km (0.089 R)
• M9: 3,572,996 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 9.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1 AU - 1.08 AU

Year: 696 Days

Day: 13.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,622,268 km

• M1: 123,119 km (0.078 R)
• M2: 484,248 km (0.113 R)
• M3: 913,295 km (0.062 R)
• M4: 1,321,099 km (0.078 R)
• M5: 1,993,092 km (0.104 R)
• M6: 2,428,273 km (0.069 R)
• M7: 2,737,791 km (0.115 R)
• M8: 4,654,439 km (0.078 R)
• M9: 5,082,737 km (0.087 R)
• M10: 5,593,614 km (0.07 R)
• M11: 6,078,311 km (0.113 R)
• M12: 6,569,740 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 11.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.15 AU - 1.81 AU

Year: 1181 Days

Day: 14.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,622,268 km

• M1: 148,700 km (0.114 R)
• M2: 1,566,738 km (0.081 R)
• M3: 1,975,290 km (0.082 R)
• M4: 2,355,418 km (0.106 R)
• M5: 2,795,984 km (0.099 R)
• M6: 3,241,786 km (0.049 R)
• M7: 3,735,160 km (0.062 R)
• M8: 4,248,430 km (0.046 R)
• M9: 4,616,441 km (0.057 R)
• M10: 5,005,844 km (0.118 R)
• M11: 5,963,270 km (0.117 R)
• M12: 6,606,092 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 14

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.75 AU - 2.95 AU

Year: 3156 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,622,268 km

• M1: 174,730 km (0.038 R)
• M2: 655,388 km (0.102 R)
• M3: 1,219,372 km (0.112 R)
• M4: 1,752,389 km (0.036 R)
• M5: 2,298,422 km (0.116 R)
• M6: 2,826,053 km (0.05 R)
• M7: 5,159,930 km (0.11 R)
• M8: 5,910,612 km (0.104 R)
• M9: 6,942,538 km (0.05 R)
• M10: 7,793,002 km (0.033 R)
• M11: 8,501,497 km (0.067 R)
• M12: 11,178,102 km (0.109 R)
• M13: 11,992,364 km (0.108 R)
• M14: 12,754,116 km (0.112 R)
• M15: 14,374,560 km (0.107 R)
• M16: 16,615,536 km (0.119 R)
• M17: 21,912,498 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 12.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.08 AU - 4.36 AU

Year: 5687 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,622,268 km

• M1: 155,432 km (0.051 R)
• M2: 591,809 km (0.085 R)
• M3: 1,026,989 km (0.108 R)
• M4: 1,433,896 km (0.11 R)
• M5: 2,714,304 km (0.067 R)
• M6: 3,580,775 km (0.094 R)
• M7: 4,055,449 km (0.094 R)
• M8: 4,495,566 km (0.047 R)
• M9: 5,920,037 km (0.057 R)
• M10: 6,327,092 km (0.058 R)
• M11: 7,338,823 km (0.057 R)
• M12: 11,165,087 km (0.078 R)
• M13: 11,789,060 km (0.073 R)
• M14: 12,845,969 km (0.078 R)
• M15: 13,371,058 km (0.063 R)
• M16: 13,801,301 km (0.118 R)
• M17: 18,167,315 km (0.116 R)
• M18: 20,769,271 km (0.065 R)
• M19: 22,010,185 km (0.062 R)
• M20: 22,915,402 km (0.077 R)
• M21: 30,328,874 km (0.117 R)

Asteroid Belt

Center: 5.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.4

Radius: 7.4

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.57 AU - 7.69 AU

Year: 12489 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,622,268 km

• M1: 160,967 km (0.088 R)
• M2: 429,944 km (0.101 R)
• M3: 1,232,537 km (0.067 R)
• M4: 1,476,082 km (0.09 R)
• M5: 3,147,539 km (0.115 R)
• M6: 4,085,518 km (0.092 R)
• M7: 5,095,453 km (0.095 R)
• M8: 5,622,337 km (0.114 R)
• M9: 5,880,393 km (0.028 R)
• M10: 6,743,274 km (0.08 R)
• M11: 8,718,265 km (0.116 R)
• M12: 11,338,920 km (0.067 R)
• M13: 14,035,422 km (0.049 R)
• M14: 19,209,563 km (0.074 R)
• M15: 30,318,252 km (0.112 R)
• M16: 41,492,914 km (0.116 R)
• M17: 42,614,300 km (0.115 R)
• M18: 49,770,464 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 4.8

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.39 AU - 8.91 AU

Year: 12542 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,622,268 km

• M1: 60,138 km (0.059 R)
• M2: 270,174 km (0.094 R)
• M3: 586,872 km (0.119 R)
• M4: 744,249 km (0.118 R)
• M5: 900,280 km (0.03 R)
• M6: 1,067,231 km (0.113 R)
• M7: 1,450,800 km (0.11 R)
• M8: 1,938,040 km (0.101 R)
• M9: 2,447,720 km (0.108 R)
• M10: 3,019,633 km (0.068 R)
• M11: 4,754,819 km (0.087 R)
• M12: 5,070,470 km (0.032 R)
• M13: 5,992,891 km (0.106 R)
• M14: 6,589,487 km (0.074 R)
• M15: 7,265,819 km (0.088 R)
• M16: 7,770,413 km (0.098 R)
• M17: 11,409,830 km (0.099 R)
• M18: 12,206,737 km (0.109 R)
• M19: 24,939,611 km (0.062 R)
• M20: 27,062,853 km (0.062 R)
• M21: 27,261,669 km (0.057 R)
• M22: 30,361,636 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.9

Radius: 7.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.73 AU - 9.01 AU

Year: 14483 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,622,268 km

• M1: 97,987 km (0.062 R)
• M2: 634,744 km (0.094 R)
• M3: 1,296,565 km (0.086 R)
• M4: 3,509,716 km (0.101 R)
• M5: 7,150,629 km (0.075 R)
• M6: 15,114,471 km (0.06 R)
• M7: 20,859,628 km (0.084 R)
• M8: 22,335,411 km (0.101 R)
• M9: 22,977,036 km (0.049 R)
• M10: 26,907,271 km (0.072 R)
• M11: 28,373,181 km (0.113 R)
• M12: 28,936,267 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 10,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit