🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.68 AU - 0.72 AU

Year: 214 Days

Day: 30.9 Hours

Environment

Temp: 170 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.88 AU - 1.24 AU

Year: 399 Days

Day: 39.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 45.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.93 AU - 2.11 AU

Year: 1049 Days

Day: 20.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.27 AU - 4.01 AU

Year: 2537 Days

Day: 31.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,038,727 km

• M1: 114,592 km (0.04 R)

Asteroid Belt

Center: 7.55 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 13

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.33 AU - 13.59 AU

Year: 14170 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 101,038,727 km

• M1: 162,314 km (0.07 R)
• M2: 664,663 km (0.083 R)
• M3: 1,139,337 km (0.062 R)
• M4: 2,145,533 km (0.1 R)
• M5: 2,903,844 km (0.118 R)
• M6: 3,677,415 km (0.069 R)
• M7: 4,610,008 km (0.081 R)
• M8: 6,475,045 km (0.114 R)
• M9: 7,983,141 km (0.12 R)
• M10: 9,800,157 km (0.09 R)
• M11: 10,644,936 km (0.097 R)
• M12: 14,460,579 km (0.102 R)
• M13: 17,205,850 km (0.048 R)
• M14: 20,281,731 km (0.107 R)
• M15: 22,098,747 km (0.095 R)
• M16: 23,085,345 km (0.095 R)
• M17: 25,556,552 km (0.072 R)
• M18: 27,587,194 km (0.092 R)
• M19: 28,199,348 km (0.086 R)
• M20: 28,909,789 km (0.038 R)
• M21: 30,831,822 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880

Radius: 6.7

Gravity: 19.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.9 AU - 15.88 AU

Year: 16903 Days

Day: 22.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 101,038,727 km

• M1: 83,326 km (0.109 R)
• M2: 303,833 km (0.06 R)
• M3: 528,529 km (0.08 R)
• M4: 747,989 km (0.084 R)
• M5: 2,158,248 km (0.117 R)
• M6: 2,503,520 km (0.094 R)
• M7: 2,737,491 km (0.076 R)
• M8: 3,854,838 km (0.082 R)
• M9: 4,265,334 km (0.061 R)
• M10: 6,162,684 km (0.109 R)
• M11: 8,613,845 km (0.1 R)
• M12: 8,879,232 km (0.063 R)
• M13: 10,348,732 km (0.089 R)
• M14: 11,713,064 km (0.068 R)
• M15: 13,833,166 km (0.036 R)
• M16: 18,288,340 km (0.11 R)
• M17: 19,535,238 km (0.092 R)
• M18: 20,742,942 km (0.083 R)
• M19: 29,890,552 km (0.042 R)
• M20: 34,329,420 km (0.089 R)
• M21: 34,729,146 km (0.049 R)
• M22: 40,212,356 km (0.098 R)
• M23: 41,253,857 km (0.045 R)
• M24: 41,705,792 km (0.087 R)
• M25: 44,644,642 km (0.1 R)
• M26: 45,600,573 km (0.064 R)
• M27: 50,758,258 km (0.108 R)
• M28: 65,835,929 km (0.105 R)
• M29: 68,748,599 km (0.026 R)
• M30: 69,171,512 km (0.03 R)
• M31: 73,497,434 km (0.112 R)
• M32: 73,939,645 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.4

Radius: 3.4

Gravity: 85.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 11.94 AU - 15.42 AU

Year: 18481 Days

Day: 15.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 101,038,727 km

• M1: 53,706 km (0.051 R)
• M2: 183,257 km (0.04 R)
• M3: 402,119 km (0.076 R)
• M4: 819,647 km (0.099 R)
• M5: 1,212,940 km (0.059 R)
• M6: 1,577,809 km (0.069 R)
• M7: 2,496,340 km (0.097 R)
• M8: 3,816,990 km (0.057 R)
• M9: 3,976,910 km (0.049 R)
• M10: 4,310,064 km (0.104 R)
• M11: 4,589,962 km (0.041 R)
• M12: 5,108,468 km (0.079 R)
• M13: 5,421,726 km (0.116 R)
• M14: 6,897,509 km (0.027 R)
• M15: 7,134,921 km (0.113 R)
• M16: 12,256,853 km (0.102 R)
• M17: 14,992,250 km (0.111 R)
• M18: 20,151,581 km (0.035 R)
• M19: 21,030,020 km (0.053 R)
• M20: 21,328,468 km (0.116 R)
• M21: 24,689,184 km (0.091 R)
• M22: 25,694,332 km (0.114 R)
• M23: 27,547,999 km (0.115 R)
• M24: 28,750,616 km (0.066 R)
• M25: 31,518,925 km (0.082 R)
• M26: 31,909,675 km (0.061 R)
• M27: 32,568,055 km (0.072 R)
• M28: 32,700,898 km (0.117 R)
• M29: 36,997,648 km (0.067 R)
• M30: 37,142,309 km (0.06 R)
• M31: 37,578,237 km (0.108 R)
• M32: 41,812,306 km (0.113 R)
• M33: 49,264,972 km (0.075 R)
• M34: 57,749,266 km (0.088 R)
• M35: 63,362,328 km (0.071 R)
• M36: 69,547,900 km (0.115 R)
• M37: 73,354,568 km (0.11 R)
• M38: 73,582,705 km (0.104 R)
• M39: 75,192,976 km (0.072 R)
• M40: 75,890,252 km (0.074 R)
• M41: 76,123,624 km (0.084 R)
• M42: 79,201,301 km (0.103 R)
• M43: 81,379,895 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.3

Radius: 6.4

Gravity: 22.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 16.17 AU - 18.35 AU

Year: 26191 Days

Day: 20.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 101,038,727 km

• M1: 115,789 km (0.096 R)
• M2: 356,641 km (0.108 R)
• M3: 575,653 km (0.098 R)
• M4: 1,169,257 km (0.044 R)
• M5: 1,528,292 km (0.057 R)
• M6: 1,874,611 km (0.115 R)
• M7: 2,593,129 km (0.081 R)
• M8: 4,948,698 km (0.118 R)
• M9: 6,492,697 km (0.085 R)
• M10: 7,243,379 km (0.119 R)
• M11: 16,512,912 km (0.1 R)
• M12: 18,482,817 km (0.071 R)
• M13: 18,973,947 km (0.078 R)
• M14: 19,777,886 km (0.073 R)
• M15: 20,395,575 km (0.1 R)
• M16: 20,814,449 km (0.12 R)
• M17: 21,886,767 km (0.065 R)
• M18: 22,436,539 km (0.101 R)
• M19: 24,257,594 km (0.089 R)
• M20: 29,105,014 km (0.11 R)
• M21: 32,958,056 km (0.08 R)
• M22: 33,534,756 km (0.03 R)
• M23: 35,006,201 km (0.09 R)
• M24: 36,213,905 km (0.094 R)
• M25: 39,515,978 km (0.093 R)
• M26: 43,013,427 km (0.097 R)
• M27: 47,439,280 km (0.099 R)
• M28: 51,384,026 km (0.1 R)
• M29: 52,549,992 km (0.118 R)
• M30: 54,131,840 km (0.088 R)
• M31: 59,067,672 km (0.068 R)
• M32: 59,704,959 km (0.117 R)
• M33: 62,081,172 km (0.098 R)
• M34: 64,071,571 km (0.062 R)
• M35: 77,167,070 km (0.085 R)
• M36: 80,764,001 km (0.079 R)
• M37: 81,811,784 km (0.096 R)
• M38: 82,075,226 km (0.104 R)
• M39: 86,913,072 km (0.097 R)
• M40: 93,366,873 km (0.074 R)
• M41: 96,269,820 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 19,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit