🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.54 AU - 0.86 AU

Year: 224 Days

Day: 21.4 Hours

Environment

Temp: 99 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,087,195 km

• M1: 234,121 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.28 AU - 3.16 AU

Year: 1718 Days

Day: 18.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.02 AU - 4.72 AU

Year: 2915 Days

Day: 15.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 12.9

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.19 AU - 8.57 AU

Year: 8470 Days

Day: 14.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,087,195 km

• M1: 162,613 km (0.117 R)
• M2: 1,018,612 km (0.097 R)
• M3: 1,738,477 km (0.112 R)
• M4: 2,155,556 km (0.09 R)
• M5: 3,355,331 km (0.043 R)
• M6: 7,612,288 km (0.104 R)
• M7: 10,289,192 km (0.108 R)
• M8: 12,389,696 km (0.106 R)
• M9: 14,265,055 km (0.076 R)
• M10: 16,122,013 km (0.119 R)
• M11: 20,311,053 km (0.092 R)
• M12: 21,502,300 km (0.113 R)
• M13: 28,166,736 km (0.107 R)
• M14: 34,400,479 km (0.11 R)
• M15: 37,015,749 km (0.104 R)
• M16: 39,032,179 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.1

Radius: 5.4

Gravity: 20.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 10.39 AU - 17.23 AU

Year: 19650 Days

Day: 22.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,087,195 km

• M1: 101,128 km (0.081 R)
• M2: 304,432 km (0.11 R)
• M3: 649,554 km (0.048 R)
• M4: 986,149 km (0.082 R)
• M5: 1,298,958 km (0.068 R)
• M6: 1,478,925 km (0.116 R)
• M7: 2,621,403 km (0.109 R)
• M8: 4,065,322 km (0.106 R)
• M9: 4,256,807 km (0.119 R)
• M10: 7,232,459 km (0.077 R)
• M11: 8,766,585 km (0.103 R)
• M12: 10,505,510 km (0.096 R)
• M13: 13,845,732 km (0.114 R)
• M14: 15,099,811 km (0.079 R)
• M15: 17,327,473 km (0.104 R)
• M16: 21,065,325 km (0.053 R)
• M17: 22,126,273 km (0.089 R)
• M18: 27,400,346 km (0.117 R)
• M19: 32,557,882 km (0.049 R)
• M20: 39,759,374 km (0.118 R)
• M21: 41,376,377 km (0.09 R)
• M22: 43,960,531 km (0.111 R)
• M23: 48,779,976 km (0.079 R)
• M24: 51,661,381 km (0.067 R)
• M25: 51,834,316 km (0.109 R)
• M26: 54,475,017 km (0.114 R)
• M27: 56,467,511 km (0.116 R)
• M28: 56,834,924 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.5

Radius: 7.6

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 14.16 AU - 19.72 AU

Year: 26696 Days

Day: 24 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,087,195 km

• M1: 100,979 km (0.053 R)
• M2: 941,569 km (0.084 R)
• M3: 2,250,401 km (0.064 R)
• M4: 2,737,342 km (0.111 R)
• M5: 4,113,941 km (0.082 R)
• M6: 5,065,085 km (0.114 R)
• M7: 8,414,731 km (0.094 R)
• M8: 9,069,820 km (0.115 R)
• M9: 14,796,127 km (0.11 R)
• M10: 20,069,901 km (0.118 R)
• M11: 47,387,070 km (0.077 R)
• M12: 49,450,474 km (0.067 R)
• M13: 54,496,560 km (0.087 R)
• M14: 56,569,388 km (0.077 R)
• M15: 68,590,624 km (0.117 R)
• M16: 72,571,124 km (0.087 R)
• M17: 73,476,191 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 5.5

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 13.99 AU - 20.39 AU

Year: 27289 Days

Day: 17.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,087,195 km

• M1: 68,366 km (0.112 R)
• M2: 290,669 km (0.079 R)
• M3: 963,560 km (0.115 R)
• M4: 2,811,094 km (0.102 R)
• M5: 3,637,921 km (0.102 R)
• M6: 4,466,693 km (0.119 R)
• M7: 5,802,602 km (0.086 R)
• M8: 6,301,661 km (0.102 R)
• M9: 6,490,004 km (0.097 R)
• M10: 6,927,728 km (0.054 R)
• M11: 7,179,202 km (0.106 R)
• M12: 7,384,899 km (0.053 R)
• M13: 7,970,575 km (0.096 R)
• M14: 10,692,358 km (0.085 R)
• M15: 10,960,737 km (0.065 R)
• M16: 11,580,970 km (0.068 R)
• M17: 11,935,517 km (0.088 R)
• M18: 17,689,200 km (0.115 R)
• M19: 18,349,974 km (0.11 R)
• M20: 20,844,219 km (0.12 R)
• M21: 22,995,586 km (0.119 R)
• M22: 31,548,994 km (0.114 R)
• M23: 33,796,852 km (0.12 R)
• M24: 34,812,920 km (0.075 R)
• M25: 37,211,722 km (0.071 R)
• M26: 40,524,418 km (0.066 R)
• M27: 43,857,009 km (0.083 R)
• M28: 45,239,742 km (0.053 R)
• M29: 58,185,643 km (0.096 R)
• M30: 62,415,972 km (0.077 R)
• M31: 65,272,842 km (0.097 R)
• M32: 74,364,204 km (0.088 R)
• M33: 77,572,629 km (0.091 R)
• M34: 81,646,479 km (0.113 R)
• M35: 84,528,482 km (0.111 R)
• M36: 87,206,732 km (0.094 R)
• M37: 93,014,122 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.1

Radius: 3.9

Gravity: 24.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 17.08 AU - 19.62 AU

Year: 30097 Days

Day: 21 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,087,195 km

• M1: 48,470 km (0.047 R)
• M2: 188,493 km (0.075 R)
• M3: 419,173 km (0.053 R)
• M4: 613,202 km (0.105 R)
• M5: 983,905 km (0.116 R)
• M6: 1,269,637 km (0.039 R)
• M7: 1,944,324 km (0.061 R)
• M8: 2,086,890 km (0.025 R)
• M9: 2,325,200 km (0.085 R)
• M10: 2,934,362 km (0.096 R)
• M11: 4,120,225 km (0.106 R)
• M12: 4,855,648 km (0.119 R)
• M13: 5,080,942 km (0.026 R)
• M14: 6,811,490 km (0.089 R)
• M15: 8,624,317 km (0.108 R)
• M16: 9,236,621 km (0.109 R)
• M17: 11,247,067 km (0.071 R)
• M18: 12,880,227 km (0.109 R)
• M19: 13,167,006 km (0.093 R)
• M20: 21,093,749 km (0.027 R)
• M21: 21,895,444 km (0.075 R)
• M22: 23,241,076 km (0.09 R)
• M23: 27,607,240 km (0.117 R)
• M24: 30,548,783 km (0.084 R)
• M25: 33,557,495 km (0.084 R)
• M26: 46,721,210 km (0.08 R)
• M27: 49,117,020 km (0.098 R)
• M28: 53,966,684 km (0.102 R)
• M29: 55,840,846 km (0.087 R)
• M30: 61,520,479 km (0.109 R)
• M31: 69,309,890 km (0.105 R)
• M32: 76,789,335 km (0.054 R)
• M33: 77,731,054 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 15,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit