🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.66 AU - 0.66 AU

Year: 203 Days

Day: 26.4 Hours

Environment

Temp: 192 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,883,767 km

• M1: 90,208 km (0.112 R)
• M2: 224,846 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.66 AU - 1.08 AU

Year: 307 Days

Day: 19 Hours

Environment

Temp: 35 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.19 AU - 2.75 AU

Year: 1470 Days

Day: 18.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.38 AU - 3.4 AU

Year: 1861 Days

Day: 30.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,883,767 km

• M1: 122,820 km (0.084 R)
• M2: 466,147 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.35 AU - 3.85 AU

Year: 2067 Days

Day: 21.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,883,767 km

• M1: 86,019 km (0.104 R)
• M2: 865,872 km (0.097 R)

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 12.6

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.56 AU - 6.38 AU

Year: 4845 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,883,767 km

• M1: 156,928 km (0.096 R)
• M2: 1,000,959 km (0.078 R)
• M3: 1,700,629 km (0.038 R)
• M4: 2,417,202 km (0.118 R)
• M5: 3,223,236 km (0.099 R)
• M6: 3,689,682 km (0.086 R)
• M7: 4,692,885 km (0.1 R)
• M8: 9,358,992 km (0.12 R)
• M9: 11,014,742 km (0.063 R)
• M10: 12,770,123 km (0.104 R)
• M11: 13,992,936 km (0.103 R)
• M12: 16,513,361 km (0.096 R)
• M13: 19,264,765 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.1

Radius: 3.8

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 12.15 AU - 17.95 AU

Year: 22113 Days

Day: 25 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,883,767 km

• M1: 175,329 km (0.073 R)
• M2: 304,132 km (0.115 R)
• M3: 492,327 km (0.038 R)
• M4: 1,004,101 km (0.106 R)
• M5: 1,358,349 km (0.116 R)
• M6: 1,512,734 km (0.08 R)
• M7: 1,873,713 km (0.112 R)
• M8: 2,047,546 km (0.101 R)
• M9: 2,509,055 km (0.107 R)
• M10: 2,898,160 km (0.12 R)
• M11: 3,608,001 km (0.041 R)
• M12: 4,799,399 km (0.093 R)
• M13: 5,293,969 km (0.112 R)
• M14: 8,194,822 km (0.059 R)
• M15: 12,605,416 km (0.082 R)
• M16: 13,351,311 km (0.117 R)
• M17: 15,553,391 km (0.101 R)
• M18: 21,607,767 km (0.106 R)
• M19: 22,673,652 km (0.115 R)
• M20: 22,854,665 km (0.086 R)
• M21: 29,598,687 km (0.045 R)
• M22: 42,157,428 km (0.063 R)
• M23: 48,457,144 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.2

Radius: 7.5

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 16.15 AU - 16.95 AU

Year: 25500 Days

Day: 15.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 53,883,767 km

• M1: 95,294 km (0.075 R)
• M2: 354,547 km (0.102 R)
• M3: 627,713 km (0.088 R)
• M4: 968,646 km (0.077 R)
• M5: 1,827,338 km (0.088 R)
• M6: 2,205,222 km (0.118 R)
• M7: 2,584,004 km (0.119 R)
• M8: 2,896,215 km (0.034 R)
• M9: 3,321,522 km (0.094 R)
• M10: 3,627,898 km (0.079 R)
• M11: 4,297,348 km (0.102 R)
• M12: 5,536,019 km (0.103 R)
• M13: 10,988,861 km (0.055 R)
• M14: 11,326,504 km (0.097 R)
• M15: 13,576,755 km (0.056 R)
• M16: 15,680,849 km (0.057 R)
• M17: 16,457,262 km (0.063 R)
• M18: 21,036,004 km (0.082 R)
• M19: 22,086,480 km (0.116 R)
• M20: 24,291,553 km (0.118 R)
• M21: 26,277,913 km (0.115 R)
• M22: 27,372,222 km (0.094 R)
• M23: 27,743,673 km (0.12 R)
• M24: 28,623,458 km (0.116 R)
• M25: 33,022,533 km (0.109 R)
• M26: 34,727,949 km (0.101 R)
• M27: 38,313,211 km (0.026 R)
• M28: 41,483,490 km (0.075 R)
• M29: 43,467,157 km (0.047 R)
• M30: 43,803,902 km (0.116 R)
• M31: 45,686,741 km (0.083 R)
• M32: 46,560,093 km (0.081 R)
• M33: 49,064,960 km (0.064 R)
• M34: 52,605,942 km (0.11 R)
• M35: 64,462,770 km (0.1 R)
• M36: 68,021,703 km (0.056 R)
• M37: 69,849,191 km (0.036 R)
• M38: 72,888,421 km (0.08 R)
• M39: 74,560,925 km (0.032 R)
• M40: 86,458,294 km (0.104 R)
• M41: 87,257,895 km (0.053 R)
• M42: 88,062,582 km (0.081 R)
• M43: 91,054,988 km (0.091 R)

Asteroid Belt

Center: 17.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.8

Radius: 5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 17.26 AU - 20.5 AU

Year: 31071 Days

Day: 21.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,883,767 km

• M1: 62,682 km (0.094 R)
• M2: 370,853 km (0.076 R)
• M3: 619,784 km (0.107 R)
• M4: 975,827 km (0.112 R)
• M5: 1,269,188 km (0.091 R)
• M6: 1,665,623 km (0.107 R)
• M7: 6,164,479 km (0.118 R)
• M8: 11,228,816 km (0.084 R)
• M9: 15,818,778 km (0.111 R)
• M10: 22,587,035 km (0.109 R)
• M11: 24,729,426 km (0.105 R)
• M12: 29,629,205 km (0.055 R)
• M13: 34,176,382 km (0.094 R)
• M14: 46,792,868 km (0.113 R)
• M15: 49,488,172 km (0.072 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 14,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit