🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.48 AU - 0.52 AU

Year: 161 Days

Day: 31.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 59,205,337 km

• M1: 35,155 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.68 AU - 1.04 AU

Year: 364 Days

Day: 28.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,205,337 km

• M1: 319,840 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.24 AU - 1.48 AU

Year: 724 Days

Day: 31.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 13.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.13 AU - 2.67 AU

Year: 1698 Days

Day: 14.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,205,337 km

• M1: 172,935 km (0.104 R)
• M2: 652,546 km (0.106 R)
• M3: 1,129,314 km (0.041 R)
• M4: 1,612,815 km (0.092 R)
• M5: 2,056,223 km (0.119 R)
• M6: 2,951,716 km (0.09 R)
• M7: 3,735,908 km (0.116 R)
• M8: 4,510,226 km (0.111 R)
• M9: 5,450,449 km (0.108 R)
• M10: 6,000,371 km (0.088 R)
• M11: 9,328,026 km (0.054 R)
• M12: 11,452,615 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 10.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.89 AU - 3.89 AU

Year: 2850 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,205,337 km

• M1: 128,205 km (0.062 R)
• M2: 544,087 km (0.115 R)
• M3: 947,104 km (0.045 R)
• M4: 1,282,802 km (0.091 R)
• M5: 1,740,870 km (0.094 R)
• M6: 2,109,031 km (0.109 R)
• M7: 2,625,742 km (0.097 R)
• M8: 4,909,204 km (0.11 R)
• M9: 6,190,061 km (0.066 R)
• M10: 6,814,033 km (0.119 R)
• M11: 7,422,298 km (0.115 R)
• M12: 8,187,342 km (0.119 R)
• M13: 8,875,193 km (0.084 R)
• M14: 10,048,190 km (0.115 R)
• M15: 11,627,195 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.2

Radius: 9.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.22 AU - 4.48 AU

Year: 4142 Days

Day: 14.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,205,337 km

• M1: 113,246 km (0.097 R)
• M2: 417,827 km (0.081 R)
• M3: 1,130,661 km (0.098 R)
• M4: 1,672,803 km (0.096 R)
• M5: 10,961,634 km (0.039 R)
• M6: 11,371,832 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 8.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.15 AU - 6.59 AU

Year: 5681 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,205,337 km

• M1: 103,223 km (0.067 R)
• M2: 404,513 km (0.078 R)
• M3: 670,348 km (0.091 R)
• M4: 1,285,644 km (0.118 R)
• M5: 1,619,098 km (0.102 R)
• M6: 2,053,680 km (0.079 R)
• M7: 2,331,184 km (0.079 R)
• M8: 2,740,483 km (0.075 R)
• M9: 3,157,263 km (0.075 R)
• M10: 3,725,885 km (0.11 R)
• M11: 4,117,831 km (0.098 R)
• M12: 4,410,893 km (0.067 R)
• M13: 4,796,856 km (0.084 R)
• M14: 5,177,134 km (0.052 R)
• M15: 5,490,092 km (0.061 R)
• M16: 5,906,573 km (0.045 R)
• M17: 8,783,041 km (0.05 R)
• M18: 9,187,852 km (0.111 R)
• M19: 9,775,622 km (0.12 R)
• M20: 10,166,522 km (0.038 R)
• M21: 12,130,443 km (0.09 R)
• M22: 12,480,651 km (0.112 R)
• M23: 13,359,539 km (0.035 R)
• M24: 15,298,028 km (0.115 R)
• M25: 15,766,120 km (0.1 R)
• M26: 16,916,078 km (0.08 R)
• M27: 18,251,239 km (0.104 R)
• M28: 20,986,337 km (0.109 R)
• M29: 21,637,387 km (0.046 R)
• M30: 26,077,153 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 14.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.26 AU - 9.12 AU

Year: 11696 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,205,337 km

• M1: 181,761 km (0.084 R)
• M2: 789,578 km (0.102 R)
• M3: 1,831,527 km (0.104 R)
• M4: 3,446,137 km (0.059 R)
• M5: 4,110,800 km (0.096 R)
• M6: 6,046,746 km (0.093 R)
• M7: 7,097,222 km (0.119 R)
• M8: 8,048,515 km (0.073 R)
• M9: 14,964,275 km (0.059 R)
• M10: 16,952,580 km (0.105 R)
• M11: 19,580,417 km (0.11 R)
• M12: 21,532,370 km (0.073 R)
• M13: 25,255,861 km (0.093 R)
• M14: 27,073,475 km (0.118 R)
• M15: 30,329,772 km (0.028 R)
• M16: 33,049,162 km (0.101 R)
• M17: 33,725,344 km (0.028 R)
• M18: 38,844,134 km (0.093 R)
• M19: 40,488,215 km (0.1 R)
• M20: 45,144,748 km (0.114 R)
• M21: 48,103,794 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 9.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.36 AU - 9.76 AU

Year: 12451 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,205,337 km

• M1: 126,410 km (0.101 R)
• M2: 583,432 km (0.076 R)
• M3: 1,015,022 km (0.064 R)
• M4: 1,521,261 km (0.093 R)
• M5: 1,826,440 km (0.035 R)
• M6: 2,156,304 km (0.105 R)
• M7: 3,581,074 km (0.115 R)
• M8: 4,369,006 km (0.033 R)
• M9: 6,823,757 km (0.099 R)
• M10: 7,787,317 km (0.071 R)
• M11: 9,422,123 km (0.104 R)
• M12: 16,539,241 km (0.116 R)
• M13: 20,424,747 km (0.071 R)
• M14: 22,168,759 km (0.112 R)
• M15: 31,771,745 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.5

Radius: 6.1

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.03 AU - 12.75 AU

Year: 16407 Days

Day: 23 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,205,337 km

• M1: 76,445 km (0.063 R)
• M2: 450,290 km (0.066 R)
• M3: 1,430,305 km (0.049 R)
• M4: 3,637,622 km (0.076 R)
• M5: 5,982,718 km (0.082 R)
• M6: 8,199,609 km (0.116 R)
• M7: 9,079,693 km (0.118 R)
• M8: 10,854,223 km (0.114 R)
• M9: 11,493,754 km (0.119 R)
• M10: 14,511,741 km (0.096 R)
• M11: 17,543,193 km (0.12 R)
• M12: 22,145,870 km (0.093 R)
• M13: 36,005,664 km (0.079 R)
• M14: 39,824,000 km (0.066 R)
• M15: 44,634,170 km (0.081 R)
• M16: 57,102,106 km (0.116 R)
• M17: 57,972,316 km (0.076 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: 486 - 17,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit