🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.06 AU - 1.28 AU

Year: 479 Days

Day: 44.8 Hours

Environment

Temp: -15 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,890,405 km

• M1: 598,242 km (0.048 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.8 AU - 2.32 AU

Year: 1120 Days

Day: 28.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.11 AU - 2.35 AU

Year: 1261 Days

Day: 24.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 13.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.5 AU - 5.3 AU

Year: 4108 Days

Day: 5.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,890,405 km

• M1: 166,652 km (0.075 R)
• M2: 895,642 km (0.074 R)
• M3: 1,312,871 km (0.092 R)
• M4: 1,988,754 km (0.112 R)
• M5: 2,858,666 km (0.109 R)
• M6: 3,315,238 km (0.054 R)
• M7: 4,397,579 km (0.113 R)
• M8: 5,631,313 km (0.095 R)
• M9: 6,565,402 km (0.089 R)
• M10: 7,000,432 km (0.105 R)
• M11: 7,454,611 km (0.112 R)
• M12: 8,390,945 km (0.109 R)
• M13: 9,302,744 km (0.1 R)
• M14: 9,817,809 km (0.116 R)
• M15: 11,170,323 km (0.088 R)
• M16: 12,852,252 km (0.119 R)
• M17: 14,108,426 km (0.112 R)
• M18: 14,835,621 km (0.072 R)
• M19: 15,635,521 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 11.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.2 AU - 8.58 AU

Year: 8394 Days

Day: 10.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,890,405 km

• M1: 145,559 km (0.087 R)
• M2: 608,714 km (0.058 R)
• M3: 1,186,012 km (0.12 R)
• M4: 1,663,678 km (0.12 R)
• M5: 2,112,322 km (0.115 R)
• M6: 2,659,551 km (0.078 R)
• M7: 3,470,072 km (0.091 R)
• M8: 3,851,547 km (0.059 R)
• M9: 4,438,270 km (0.069 R)
• M10: 4,861,931 km (0.028 R)
• M11: 5,429,655 km (0.11 R)
• M12: 6,429,716 km (0.093 R)
• M13: 6,939,097 km (0.107 R)
• M14: 7,329,548 km (0.077 R)
• M15: 9,594,160 km (0.103 R)
• M16: 10,351,425 km (0.09 R)
• M17: 11,292,994 km (0.054 R)
• M18: 12,137,324 km (0.116 R)
• M19: 13,076,799 km (0.12 R)
• M20: 13,619,390 km (0.1 R)
• M21: 15,516,890 km (0.108 R)
• M22: 16,497,803 km (0.116 R)
• M23: 17,454,332 km (0.095 R)
• M24: 17,847,325 km (0.108 R)
• M25: 18,718,733 km (0.108 R)
• M26: 22,722,720 km (0.076 R)
• M27: 24,473,015 km (0.1 R)
• M28: 27,793,938 km (0.088 R)
• M29: 30,355,802 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 10.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.9 AU - 10.88 AU

Year: 11780 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,890,405 km

• M1: 128,205 km (0.07 R)
• M2: 656,585 km (0.078 R)
• M3: 1,235,379 km (0.08 R)
• M4: 1,692,999 km (0.112 R)
• M5: 2,059,215 km (0.058 R)
• M6: 4,236,612 km (0.086 R)
• M7: 4,694,980 km (0.032 R)
• M8: 7,678,410 km (0.071 R)
• M9: 13,405,764 km (0.078 R)
• M10: 13,928,011 km (0.113 R)
• M11: 18,447,811 km (0.11 R)
• M12: 20,776,900 km (0.108 R)
• M13: 23,108,981 km (0.105 R)
• M14: 33,232,569 km (0.088 R)
• M15: 39,253,284 km (0.1 R)
• M16: 42,799,801 km (0.054 R)
• M17: 45,230,767 km (0.083 R)
• M18: 47,300,752 km (0.108 R)
• M19: 48,359,008 km (0.118 R)
• M20: 49,433,120 km (0.052 R)
• M21: 56,213,644 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 5

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 10.86 AU - 17.02 AU

Year: 19713 Days

Day: 17.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,890,405 km

• M1: 62,382 km (0.107 R)
• M2: 435,779 km (0.104 R)
• M3: 1,374,655 km (0.04 R)
• M4: 1,562,699 km (0.12 R)
• M5: 2,922,993 km (0.102 R)
• M6: 3,599,474 km (0.117 R)
• M7: 4,147,451 km (0.09 R)
• M8: 4,474,921 km (0.064 R)
• M9: 5,561,600 km (0.1 R)
• M10: 6,000,969 km (0.071 R)
• M11: 7,176,808 km (0.034 R)
• M12: 7,363,207 km (0.07 R)
• M13: 9,689,155 km (0.094 R)
• M14: 11,422,845 km (0.091 R)
• M15: 16,926,401 km (0.1 R)
• M16: 17,592,111 km (0.114 R)
• M17: 17,931,399 km (0.089 R)
• M18: 19,422,142 km (0.119 R)
• M19: 20,429,684 km (0.117 R)
• M20: 21,956,629 km (0.112 R)
• M21: 22,647,921 km (0.107 R)
• M22: 22,848,083 km (0.103 R)
• M23: 24,809,012 km (0.11 R)
• M24: 30,866,379 km (0.097 R)
• M25: 31,984,174 km (0.049 R)
• M26: 37,001,986 km (0.09 R)
• M27: 40,869,839 km (0.083 R)
• M28: 42,368,062 km (0.12 R)
• M29: 48,727,916 km (0.114 R)
• M30: 51,096,050 km (0.112 R)
• M31: 53,009,557 km (0.118 R)
• M32: 55,695,287 km (0.112 R)
• M33: 56,610,228 km (0.114 R)
• M34: 60,948,566 km (0.104 R)
• M35: 63,297,701 km (0.071 R)
• M36: 67,759,757 km (0.094 R)
• M37: 70,067,454 km (0.04 R)
• M38: 71,778,255 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 4.3

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 18.47 AU - 18.61 AU

Year: 30235 Days

Day: 15.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,890,405 km

• M1: 54,603 km (0.081 R)
• M2: 547,977 km (0.1 R)
• M3: 817,104 km (0.068 R)
• M4: 1,063,491 km (0.035 R)
• M5: 1,634,058 km (0.107 R)
• M6: 2,409,573 km (0.09 R)
• M7: 2,764,868 km (0.111 R)
• M8: 4,541,642 km (0.078 R)
• M9: 4,970,988 km (0.117 R)
• M10: 5,310,425 km (0.049 R)
• M11: 6,598,762 km (0.09 R)
• M12: 7,243,678 km (0.073 R)
• M13: 8,133,187 km (0.101 R)
• M14: 9,715,783 km (0.1 R)
• M15: 11,819,578 km (0.085 R)
• M16: 15,436,406 km (0.098 R)
• M17: 16,157,318 km (0.054 R)
• M18: 20,101,615 km (0.095 R)
• M19: 23,895,118 km (0.11 R)
• M20: 25,295,055 km (0.06 R)
• M21: 34,453,138 km (0.077 R)
• M22: 38,806,884 km (0.057 R)
• M23: 39,099,647 km (0.087 R)
• M24: 39,689,811 km (0.096 R)
• M25: 41,648,646 km (0.099 R)
• M26: 51,704,914 km (0.047 R)
• M27: 58,530,167 km (0.072 R)
• M28: 63,466,448 km (0.112 R)
• M29: 70,833,096 km (0.119 R)
• M30: 74,834,390 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 14,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit