🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.62 AU - 0.68 AU

Year: 202 Days

Day: 47.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.73 AU - 0.79 AU

Year: 255 Days

Day: 16.3 Hours

Environment

Temp: 69 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.47 AU

Year: 532 Days

Day: 23.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,718,318 km

• M1: 878,439 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.92 AU - 3.16 AU

Year: 1559 Days

Day: 20.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 11.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.63 AU - 6.21 AU

Year: 4858 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,718,318 km

• M1: 139,276 km (0.105 R)
• M2: 512,672 km (0.12 R)
• M3: 903,272 km (0.102 R)
• M4: 1,421,479 km (0.085 R)
• M5: 2,059,364 km (0.086 R)
• M6: 2,429,170 km (0.069 R)
• M7: 2,789,103 km (0.064 R)
• M8: 3,861,271 km (0.096 R)
• M9: 6,064,997 km (0.106 R)
• M10: 6,901,099 km (0.086 R)
• M11: 8,108,504 km (0.05 R)
• M12: 9,204,458 km (0.102 R)
• M13: 9,703,367 km (0.05 R)
• M14: 12,126,104 km (0.109 R)
• M15: 13,504,050 km (0.12 R)
• M16: 17,622,330 km (0.12 R)
• M17: 19,118,309 km (0.036 R)
• M18: 21,122,920 km (0.116 R)
• M19: 22,510,141 km (0.096 R)
• M20: 23,340,409 km (0.081 R)
• M21: 27,715,549 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 8.4

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.89 AU - 5.99 AU

Year: 4885 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,718,318 km

• M1: 104,419 km (0.092 R)
• M2: 365,767 km (0.069 R)
• M3: 692,489 km (0.081 R)
• M4: 1,227,151 km (0.089 R)
• M5: 1,725,761 km (0.074 R)
• M6: 4,224,195 km (0.095 R)
• M7: 6,852,330 km (0.056 R)
• M8: 9,542,549 km (0.101 R)
• M9: 10,233,990 km (0.097 R)
• M10: 10,865,892 km (0.081 R)
• M11: 11,619,715 km (0.041 R)
• M12: 12,866,763 km (0.076 R)
• M13: 14,422,432 km (0.086 R)
• M14: 14,872,721 km (0.091 R)
• M15: 15,742,334 km (0.112 R)
• M16: 18,753,290 km (0.092 R)
• M17: 20,114,032 km (0.089 R)
• M18: 23,568,845 km (0.07 R)
• M19: 28,003,824 km (0.12 R)
• M20: 28,882,113 km (0.101 R)
• M21: 31,157,796 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 9.3

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.22 AU - 8.12 AU

Year: 7392 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,718,318 km

• M1: 116,686 km (0.056 R)
• M2: 491,878 km (0.106 R)
• M3: 1,234,482 km (0.088 R)
• M4: 1,754,783 km (0.101 R)
• M5: 3,103,557 km (0.097 R)
• M6: 3,575,688 km (0.044 R)
• M7: 4,551,814 km (0.06 R)
• M8: 5,192,841 km (0.09 R)
• M9: 7,325,509 km (0.075 R)
• M10: 10,127,626 km (0.044 R)
• M11: 11,270,404 km (0.097 R)
• M12: 11,634,675 km (0.115 R)
• M13: 12,168,590 km (0.083 R)
• M14: 17,388,808 km (0.042 R)
• M15: 18,228,949 km (0.052 R)
• M16: 18,731,449 km (0.092 R)
• M17: 19,914,618 km (0.097 R)
• M18: 31,333,573 km (0.088 R)
• M19: 37,878,779 km (0.069 R)
• M20: 38,932,995 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.9

Radius: 3.7

Gravity: 17.67 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 13.29 AU - 15.95 AU

Year: 21522 Days

Day: 20.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 98,718,318 km

• M1: 47,123 km (0.119 R)
• M2: 525,089 km (0.045 R)
• M3: 697,425 km (0.074 R)
• M4: 2,507,260 km (0.118 R)
• M5: 3,603,663 km (0.077 R)
• M6: 3,739,498 km (0.077 R)
• M7: 5,291,875 km (0.12 R)
• M8: 8,495,065 km (0.052 R)
• M9: 9,383,676 km (0.088 R)
• M10: 17,868,269 km (0.062 R)
• M11: 18,423,576 km (0.098 R)
• M12: 21,461,909 km (0.107 R)
• M13: 24,623,062 km (0.095 R)
• M14: 41,735,562 km (0.118 R)
• M15: 42,291,318 km (0.041 R)
• M16: 46,469,736 km (0.115 R)
• M17: 49,196,905 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.1

Radius: 4.6

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 12.71 AU - 20.75 AU

Year: 26346 Days

Day: 24 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 98,718,318 km

• M1: 57,146 km (0.079 R)
• M2: 232,026 km (0.072 R)
• M3: 453,730 km (0.065 R)
• M4: 970,890 km (0.068 R)
• M5: 3,229,968 km (0.089 R)
• M6: 3,635,079 km (0.12 R)
• M7: 4,622,125 km (0.106 R)
• M8: 4,815,555 km (0.098 R)
• M9: 6,466,667 km (0.11 R)
• M10: 7,956,363 km (0.095 R)
• M11: 8,290,864 km (0.049 R)
• M12: 10,697,893 km (0.041 R)
• M13: 11,036,733 km (0.105 R)
• M14: 11,243,327 km (0.098 R)
• M15: 11,593,685 km (0.05 R)
• M16: 12,763,541 km (0.042 R)
• M17: 12,991,378 km (0.102 R)
• M18: 15,679,203 km (0.105 R)
• M19: 16,561,681 km (0.049 R)
• M20: 20,012,605 km (0.037 R)
• M21: 24,492,911 km (0.119 R)
• M22: 24,962,798 km (0.088 R)
• M23: 39,392,261 km (0.077 R)
• M24: 44,749,211 km (0.118 R)
• M25: 49,443,592 km (0.071 R)
• M26: 51,909,264 km (0.105 R)
• M27: 55,055,008 km (0.091 R)
• M28: 55,658,636 km (0.047 R)
• M29: 56,879,205 km (0.081 R)
• M30: 59,584,533 km (0.066 R)
• M31: 61,939,652 km (0.106 R)
• M32: 69,142,341 km (0.113 R)
• M33: 70,552,301 km (0.113 R)
• M34: 75,143,160 km (0.096 R)
• M35: 75,637,581 km (0.117 R)
• M36: 78,905,098 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 11,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit