🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.42 AU - 0.64 AU

Year: 142 Days

Day: 45.6 Hours

Environment

Temp: 251 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,454,186 km

• M1: 118,930 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.85 AU - 1.03 AU

Year: 336 Days

Day: 24 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,454,186 km

• M1: 27,227 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.89 AU - 1.37 AU

Year: 443 Days

Day: 21.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.95 AU - 2.01 AU

Year: 1028 Days

Day: 19.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,454,186 km

• M1: 326,273 km (0.058 R)

Asteroid Belt

Center: 3.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.8

Radius: 11.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.44 AU - 6.32 AU

Year: 4604 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,454,186 km

• M1: 146,756 km (0.102 R)
• M2: 970,890 km (0.067 R)
• M3: 1,530,685 km (0.08 R)
• M4: 2,017,926 km (0.117 R)
• M5: 3,365,503 km (0.1 R)
• M6: 4,643,069 km (0.103 R)
• M7: 5,117,594 km (0.053 R)
• M8: 5,999,024 km (0.107 R)
• M9: 6,798,625 km (0.115 R)
• M10: 7,667,938 km (0.052 R)
• M11: 8,096,087 km (0.084 R)
• M12: 9,932,401 km (0.096 R)
• M13: 11,727,276 km (0.036 R)
• M14: 12,475,565 km (0.056 R)
• M15: 13,921,877 km (0.058 R)
• M16: 17,034,111 km (0.105 R)
• M17: 19,836,827 km (0.115 R)
• M18: 20,646,002 km (0.041 R)
• M19: 21,283,289 km (0.071 R)
• M20: 22,065,237 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 8.2

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.66 AU - 9.7 AU

Year: 10262 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,454,186 km

• M1: 102,026 km (0.074 R)
• M2: 400,773 km (0.086 R)
• M3: 786,436 km (0.042 R)
• M4: 1,626,727 km (0.116 R)
• M5: 3,662,754 km (0.093 R)
• M6: 4,076,392 km (0.088 R)
• M7: 4,490,330 km (0.095 R)
• M8: 5,437,135 km (0.067 R)
• M9: 5,865,583 km (0.086 R)
• M10: 6,355,067 km (0.1 R)
• M11: 8,828,967 km (0.057 R)
• M12: 10,199,284 km (0.076 R)
• M13: 11,359,116 km (0.062 R)
• M14: 12,119,671 km (0.118 R)
• M15: 13,807,435 km (0.114 R)
• M16: 18,265,002 km (0.087 R)
• M17: 20,560,133 km (0.111 R)
• M18: 20,903,011 km (0.081 R)
• M19: 21,162,713 km (0.071 R)
• M20: 21,424,509 km (0.062 R)
• M21: 23,040,914 km (0.062 R)
• M22: 25,813,861 km (0.08 R)
• M23: 27,126,133 km (0.07 R)
• M24: 29,883,072 km (0.104 R)
• M25: 30,323,189 km (0.114 R)
• M26: 32,357,271 km (0.069 R)
• M27: 33,055,146 km (0.065 R)
• M28: 38,094,649 km (0.078 R)
• M29: 40,594,579 km (0.106 R)
• M30: 40,863,855 km (0.076 R)
• M31: 48,142,240 km (0.04 R)
• M32: 51,217,524 km (0.108 R)
• M33: 53,770,262 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.6

Radius: 5.3

Gravity: 34.27 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.51 AU - 18.11 AU

Year: 21029 Days

Day: 20.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,454,186 km

• M1: 66,122 km (0.086 R)
• M2: 369,058 km (0.116 R)
• M3: 1,109,567 km (0.06 R)
• M4: 1,779,915 km (0.109 R)
• M5: 1,957,787 km (0.091 R)
• M6: 2,766,065 km (0.09 R)
• M7: 3,201,694 km (0.113 R)
• M8: 3,939,361 km (0.082 R)
• M9: 5,659,437 km (0.103 R)
• M10: 8,090,103 km (0.096 R)
• M11: 8,581,383 km (0.041 R)
• M12: 9,562,894 km (0.089 R)
• M13: 12,023,779 km (0.109 R)
• M14: 13,931,751 km (0.052 R)
• M15: 15,696,557 km (0.094 R)
• M16: 17,069,865 km (0.071 R)
• M17: 17,336,000 km (0.033 R)
• M18: 17,695,184 km (0.108 R)
• M19: 19,857,322 km (0.034 R)
• M20: 23,475,795 km (0.117 R)
• M21: 26,313,966 km (0.104 R)
• M22: 28,742,837 km (0.112 R)
• M23: 36,184,733 km (0.099 R)
• M24: 36,623,952 km (0.114 R)
• M25: 39,027,093 km (0.081 R)
• M26: 51,886,077 km (0.052 R)
• M27: 55,104,226 km (0.101 R)
• M28: 55,297,507 km (0.056 R)
• M29: 60,074,765 km (0.061 R)
• M30: 64,903,934 km (0.046 R)
• M31: 66,862,020 km (0.052 R)
• M32: 69,083,399 km (0.063 R)
• M33: 69,985,624 km (0.12 R)
• M34: 72,507,096 km (0.043 R)
• M35: 74,378,416 km (0.101 R)
• M36: 76,042,094 km (0.094 R)
• M37: 83,453,471 km (0.089 R)
• M38: 86,809,251 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.3

Radius: 4.8

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.25 AU - 21.57 AU

Year: 26803 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,454,186 km

• M1: 63,429 km (0.053 R)
• M2: 429,495 km (0.103 R)
• M3: 587,172 km (0.088 R)
• M4: 763,847 km (0.09 R)
• M5: 1,330,224 km (0.12 R)
• M6: 2,447,870 km (0.101 R)
• M7: 3,434,618 km (0.114 R)
• M8: 3,920,362 km (0.074 R)
• M9: 4,842,184 km (0.115 R)
• M10: 5,451,945 km (0.119 R)
• M11: 5,816,664 km (0.038 R)
• M12: 7,939,757 km (0.119 R)
• M13: 8,730,831 km (0.086 R)
• M14: 9,400,431 km (0.09 R)
• M15: 9,806,440 km (0.106 R)
• M16: 10,778,377 km (0.102 R)
• M17: 17,294,860 km (0.079 R)
• M18: 18,169,559 km (0.069 R)
• M19: 18,799,067 km (0.05 R)
• M20: 20,101,765 km (0.117 R)
• M21: 21,068,167 km (0.072 R)
• M22: 21,463,405 km (0.062 R)
• M23: 26,943,325 km (0.079 R)
• M24: 27,175,500 km (0.094 R)
• M25: 30,692,397 km (0.079 R)
• M26: 32,102,057 km (0.1 R)
• M27: 32,625,052 km (0.075 R)
• M28: 34,093,056 km (0.089 R)
• M29: 37,736,512 km (0.113 R)
• M30: 41,941,409 km (0.116 R)
• M31: 43,515,777 km (0.12 R)
• M32: 44,479,037 km (0.053 R)
• M33: 45,292,551 km (0.084 R)
• M34: 45,785,326 km (0.08 R)
• M35: 56,598,260 km (0.037 R)
• M36: 57,553,293 km (0.089 R)
• M37: 60,880,649 km (0.109 R)
• M38: 67,701,564 km (0.102 R)
• M39: 69,428,521 km (0.097 R)
• M40: 76,862,937 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 19,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit