🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.13 AU - 1.25 AU

Year: 381 Days

Day: 15.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.54 AU - 1.72 AU

Year: 611 Days

Day: 37.8 Hours

Environment

Temp: 107 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.38 AU - 2.08 AU

Year: 668 Days

Day: 43.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,039,837 km

• M1: 100,380 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.75 AU - 3.91 AU

Year: 2199 Days

Day: 20 Hours

Environment

Temp: -51 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 14.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 10.78 AU - 16.72 AU

Year: 14958 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,039,837 km

• M1: 176,825 km (0.115 R)
• M2: 755,918 km (0.096 R)
• M3: 1,741,170 km (0.097 R)
• M4: 2,872,279 km (0.11 R)
• M5: 3,682,800 km (0.033 R)
• M6: 4,840,389 km (0.089 R)
• M7: 11,876,276 km (0.117 R)
• M8: 12,805,279 km (0.056 R)
• M9: 13,259,009 km (0.096 R)
• M10: 14,319,209 km (0.073 R)
• M11: 16,014,602 km (0.042 R)
• M12: 22,225,756 km (0.087 R)
• M13: 27,189,563 km (0.106 R)
• M14: 32,009,905 km (0.113 R)
• M15: 38,771,131 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 14.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 15.17 AU - 17.11 AU

Year: 19023 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,039,837 km

• M1: 182,809 km (0.086 R)
• M2: 689,945 km (0.1 R)
• M3: 1,441,076 km (0.096 R)
• M4: 2,464,924 km (0.094 R)
• M5: 2,945,133 km (0.091 R)
• M6: 3,538,588 km (0.062 R)
• M7: 4,810,469 km (0.07 R)
• M8: 7,037,981 km (0.099 R)
• M9: 9,381,133 km (0.066 R)
• M10: 9,988,650 km (0.073 R)
• M11: 12,746,337 km (0.083 R)
• M12: 16,626,008 km (0.115 R)
• M13: 17,517,312 km (0.053 R)
• M14: 25,637,335 km (0.118 R)
• M15: 28,997,752 km (0.061 R)
• M16: 32,641,657 km (0.084 R)
• M17: 40,294,486 km (0.111 R)
• M18: 48,913,567 km (0.071 R)
• M19: 49,518,391 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.1

Radius: 5.6

Gravity: 20.32 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 17.79 AU - 17.79 AU

Year: 22013 Days

Day: 24.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,039,837 km

• M1: 70,012 km (0.117 R)
• M2: 247,435 km (0.08 R)
• M3: 458,368 km (0.12 R)
• M4: 731,384 km (0.103 R)
• M5: 1,032,076 km (0.029 R)
• M6: 12,734,968 km (0.077 R)
• M7: 12,946,050 km (0.036 R)
• M8: 13,302,991 km (0.102 R)
• M9: 23,124,240 km (0.083 R)
• M10: 25,274,111 km (0.074 R)
• M11: 34,386,118 km (0.099 R)
• M12: 36,044,111 km (0.068 R)
• M13: 36,325,505 km (0.097 R)
• M14: 44,167,275 km (0.119 R)
• M15: 45,465,785 km (0.092 R)
• M16: 58,511,168 km (0.027 R)
• M17: 59,290,274 km (0.07 R)
• M18: 59,682,519 km (0.077 R)
• M19: 62,476,409 km (0.067 R)
• M20: 65,774,743 km (0.099 R)
• M21: 67,894,096 km (0.082 R)
• M22: 76,131,553 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.6

Radius: 6.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 16.55 AU - 21.19 AU

Year: 24048 Days

Day: 18.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,039,837 km

• M1: 77,193 km (0.093 R)
• M2: 560,693 km (0.099 R)
• M3: 914,791 km (0.114 R)
• M4: 1,757,775 km (0.098 R)
• M5: 2,296,327 km (0.06 R)
• M6: 2,869,886 km (0.096 R)
• M7: 5,164,717 km (0.084 R)
• M8: 7,154,817 km (0.104 R)
• M9: 9,298,106 km (0.034 R)
• M10: 9,973,840 km (0.115 R)
• M11: 10,242,368 km (0.093 R)
• M12: 11,657,414 km (0.111 R)
• M13: 13,134,095 km (0.089 R)
• M14: 14,939,591 km (0.083 R)
• M15: 16,084,314 km (0.098 R)
• M16: 17,286,184 km (0.106 R)
• M17: 20,724,242 km (0.094 R)
• M18: 23,159,845 km (0.116 R)
• M19: 26,082,538 km (0.096 R)
• M20: 28,483,135 km (0.059 R)
• M21: 31,141,041 km (0.109 R)
• M22: 33,359,128 km (0.098 R)
• M23: 34,323,735 km (0.035 R)
• M24: 40,234,048 km (0.107 R)
• M25: 44,723,181 km (0.112 R)
• M26: 45,453,518 km (0.074 R)
• M27: 46,340,334 km (0.078 R)
• M28: 52,873,572 km (0.088 R)
• M29: 56,020,663 km (0.096 R)

Kuiper Belt

Range: 37.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit