🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.85 AU - 1.19 AU

Year: 380 Days

Day: 41.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.43 AU - 5.07 AU

Year: 3233 Days

Day: 44.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 14.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.5 AU - 5.96 AU

Year: 4413 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,913,820 km

• M1: 178,171 km (0.113 R)
• M2: 761,603 km (0.108 R)
• M3: 1,322,146 km (0.118 R)
• M4: 3,070,048 km (0.103 R)
• M5: 3,764,930 km (0.071 R)
• M6: 4,357,636 km (0.117 R)
• M7: 5,530,783 km (0.117 R)
• M8: 6,321,408 km (0.105 R)
• M9: 6,835,875 km (0.114 R)
• M10: 8,206,640 km (0.101 R)
• M11: 9,264,746 km (0.066 R)
• M12: 10,019,317 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 14.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.49 AU - 7.75 AU

Year: 7010 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,913,820 km

• M1: 180,265 km (0.098 R)
• M2: 945,159 km (0.114 R)
• M3: 1,597,406 km (0.092 R)
• M4: 3,885,057 km (0.076 R)
• M5: 7,537,788 km (0.08 R)
• M6: 10,781,369 km (0.082 R)
• M7: 11,617,920 km (0.117 R)
• M8: 12,391,640 km (0.106 R)
• M9: 18,046,889 km (0.079 R)
• M10: 19,655,365 km (0.073 R)
• M11: 22,519,566 km (0.096 R)
• M12: 27,501,624 km (0.04 R)
• M13: 29,250,872 km (0.072 R)
• M14: 30,200,818 km (0.043 R)
• M15: 35,049,435 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.5

Radius: 4

Gravity: 55.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 10.97 AU - 14.69 AU

Year: 16956 Days

Day: 18.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,913,820 km

• M1: 49,966 km (0.112 R)
• M2: 201,658 km (0.112 R)
• M3: 468,092 km (0.069 R)
• M4: 872,305 km (0.097 R)
• M5: 1,024,596 km (0.073 R)
• M6: 1,748,650 km (0.101 R)
• M7: 1,877,453 km (0.069 R)
• M8: 2,072,379 km (0.057 R)
• M9: 2,345,994 km (0.086 R)
• M10: 2,572,335 km (0.05 R)
• M11: 2,813,188 km (0.094 R)
• M12: 3,202,591 km (0.115 R)
• M13: 3,510,164 km (0.095 R)
• M14: 4,382,021 km (0.074 R)
• M15: 4,620,779 km (0.099 R)
• M16: 5,274,522 km (0.042 R)
• M17: 6,629,729 km (0.099 R)
• M18: 8,252,267 km (0.08 R)
• M19: 8,829,266 km (0.049 R)
• M20: 11,154,466 km (0.113 R)
• M21: 11,990,120 km (0.086 R)
• M22: 19,401,797 km (0.077 R)
• M23: 23,063,504 km (0.036 R)
• M24: 24,521,036 km (0.052 R)
• M25: 26,933,601 km (0.084 R)
• M26: 28,666,243 km (0.118 R)
• M27: 31,339,856 km (0.069 R)
• M28: 32,351,886 km (0.119 R)
• M29: 43,229,745 km (0.118 R)
• M30: 44,958,798 km (0.097 R)
• M31: 47,555,368 km (0.081 R)
• M32: 51,460,321 km (0.114 R)
• M33: 51,984,961 km (0.111 R)
• M34: 52,513,041 km (0.116 R)
• M35: 55,757,370 km (0.083 R)
• M36: 61,457,049 km (0.1 R)
• M37: 69,430,616 km (0.093 R)
• M38: 74,218,795 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 3.5

Gravity: 60.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 12.89 AU - 18.63 AU

Year: 23084 Days

Day: 21.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,913,820 km

• M1: 46,974 km (0.05 R)
• M2: 185,053 km (0.058 R)
• M3: 328,367 km (0.116 R)
• M4: 497,114 km (0.077 R)
• M5: 763,847 km (0.07 R)
• M6: 947,852 km (0.078 R)
• M7: 1,505,104 km (0.056 R)
• M8: 2,559,171 km (0.088 R)
• M9: 3,194,363 km (0.099 R)
• M10: 3,397,816 km (0.077 R)
• M11: 4,128,004 km (0.071 R)
• M12: 4,768,133 km (0.119 R)
• M13: 5,269,735 km (0.091 R)
• M14: 6,468,313 km (0.069 R)
• M15: 7,785,372 km (0.052 R)
• M16: 10,613,670 km (0.099 R)
• M17: 10,741,726 km (0.062 R)
• M18: 12,574,000 km (0.1 R)
• M19: 19,204,926 km (0.079 R)
• M20: 22,089,622 km (0.111 R)
• M21: 23,255,288 km (0.114 R)
• M22: 26,641,586 km (0.109 R)
• M23: 30,730,095 km (0.115 R)
• M24: 31,780,572 km (0.093 R)
• M25: 31,913,564 km (0.07 R)
• M26: 32,584,062 km (0.088 R)
• M27: 37,839,884 km (0.065 R)
• M28: 41,060,427 km (0.09 R)
• M29: 48,390,722 km (0.052 R)
• M30: 50,170,189 km (0.062 R)
• M31: 50,712,481 km (0.082 R)
• M32: 51,076,154 km (0.093 R)
• M33: 54,808,770 km (0.113 R)
• M34: 59,725,005 km (0.108 R)
• M35: 68,631,614 km (0.119 R)
• M36: 73,167,571 km (0.092 R)
• M37: 75,982,703 km (0.036 R)
• M38: 78,383,151 km (0.118 R)
• M39: 79,357,332 km (0.103 R)
• M40: 85,886,830 km (0.095 R)
• M41: 86,144,887 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.1

Radius: 3.5

Gravity: 48.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.5 AU - 18.06 AU

Year: 25361 Days

Day: 16.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,913,820 km

• M1: 44,131 km (0.108 R)
• M2: 482,902 km (0.081 R)
• M3: 625,618 km (0.104 R)
• M4: 997,369 km (0.104 R)
• M5: 1,658,891 km (0.032 R)
• M6: 2,092,126 km (0.109 R)
• M7: 2,930,173 km (0.093 R)
• M8: 3,589,601 km (0.032 R)
• M9: 3,776,748 km (0.079 R)
• M10: 4,136,680 km (0.048 R)
• M11: 5,274,073 km (0.088 R)
• M12: 5,681,428 km (0.119 R)
• M13: 6,065,745 km (0.061 R)
• M14: 6,558,670 km (0.058 R)
• M15: 6,697,646 km (0.079 R)
• M16: 14,163,777 km (0.118 R)
• M17: 14,552,432 km (0.12 R)
• M18: 16,010,413 km (0.073 R)
• M19: 18,837,663 km (0.049 R)
• M20: 23,243,620 km (0.108 R)
• M21: 26,029,282 km (0.067 R)
• M22: 29,154,082 km (0.087 R)
• M23: 36,860,167 km (0.108 R)
• M24: 38,188,896 km (0.094 R)
• M25: 44,813,837 km (0.074 R)
• M26: 45,818,537 km (0.102 R)
• M27: 54,782,591 km (0.089 R)
• M28: 55,163,616 km (0.03 R)
• M29: 60,481,522 km (0.046 R)
• M30: 61,502,377 km (0.071 R)
• M31: 65,700,991 km (0.112 R)
• M32: 66,130,936 km (0.07 R)
• M33: 67,432,437 km (0.11 R)
• M34: 80,658,534 km (0.113 R)
• M35: 84,152,243 km (0.102 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: 167 - 10,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit