🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.57 AU - 0.79 AU

Year: 207 Days

Day: 18.2 Hours

Environment

Temp: 133 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.89 AU - 1.89 AU

Year: 959 Days

Day: 21.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.34 AU - 4.58 AU

Year: 3475 Days

Day: 42.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 102,355,572 km

• M1: 73,303 km (0.103 R)
• M2: 1,825,692 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.17 AU - 4.93 AU

Year: 3581 Days

Day: 33 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 10.8

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.07 AU - 5.57 AU

Year: 3904 Days

Day: 14.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 102,355,572 km

• M1: 134,339 km (0.05 R)
• M2: 543,938 km (0.103 R)
• M3: 1,135,747 km (0.067 R)
• M4: 1,563,148 km (0.079 R)
• M5: 2,097,512 km (0.086 R)
• M6: 2,750,806 km (0.078 R)
• M7: 3,135,422 km (0.073 R)
• M8: 3,747,576 km (0.082 R)
• M9: 4,511,273 km (0.116 R)
• M10: 5,265,247 km (0.063 R)
• M11: 5,658,390 km (0.026 R)
• M12: 8,984,848 km (0.12 R)
• M13: 9,838,154 km (0.11 R)
• M14: 12,280,340 km (0.118 R)
• M15: 16,013,854 km (0.064 R)
• M16: 16,962,903 km (0.044 R)
• M17: 23,535,335 km (0.116 R)
• M18: 25,469,486 km (0.114 R)
• M19: 28,867,153 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 11.5

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.34 AU - 8.6 AU

Year: 7533 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 102,355,572 km

• M1: 143,016 km (0.114 R)
• M2: 504,743 km (0.068 R)
• M3: 942,317 km (0.092 R)
• M4: 1,539,063 km (0.104 R)
• M5: 2,149,572 km (0.098 R)
• M6: 2,605,397 km (0.104 R)
• M7: 3,019,633 km (0.095 R)
• M8: 5,291,576 km (0.107 R)
• M9: 6,273,237 km (0.118 R)
• M10: 6,747,014 km (0.086 R)
• M11: 9,989,398 km (0.073 R)
• M12: 10,802,761 km (0.103 R)
• M13: 11,183,039 km (0.076 R)
• M14: 12,014,953 km (0.061 R)
• M15: 13,029,526 km (0.03 R)
• M16: 13,704,212 km (0.066 R)
• M17: 15,333,931 km (0.119 R)
• M18: 15,814,739 km (0.117 R)
• M19: 17,375,194 km (0.116 R)
• M20: 19,036,030 km (0.035 R)
• M21: 23,647,384 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.2

Radius: 8.4

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.36 AU - 12.52 AU

Year: 12446 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 102,355,572 km

• M1: 123,568 km (0.109 R)
• M2: 476,170 km (0.101 R)
• M3: 3,172,522 km (0.107 R)
• M4: 4,316,347 km (0.093 R)
• M5: 4,617,787 km (0.096 R)
• M6: 6,152,960 km (0.054 R)
• M7: 6,614,021 km (0.039 R)
• M8: 7,433,668 km (0.108 R)
• M9: 8,046,570 km (0.067 R)
• M10: 8,598,287 km (0.087 R)
• M11: 10,088,282 km (0.086 R)
• M12: 12,513,263 km (0.059 R)
• M13: 13,958,229 km (0.116 R)
• M14: 14,552,881 km (0.079 R)
• M15: 15,233,252 km (0.092 R)
• M16: 16,149,090 km (0.05 R)
• M17: 21,028,225 km (0.098 R)
• M18: 23,522,320 km (0.09 R)
• M19: 23,894,071 km (0.045 R)
• M20: 30,939,233 km (0.12 R)
• M21: 38,477,919 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.4

Radius: 5.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 12.33 AU - 13.61 AU

Year: 17234 Days

Day: 18.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,355,572 km

• M1: 66,122 km (0.108 R)
• M2: 502,200 km (0.094 R)
• M3: 1,164,470 km (0.106 R)
• M4: 2,018,674 km (0.12 R)
• M5: 8,485,939 km (0.116 R)
• M6: 10,026,199 km (0.092 R)
• M7: 12,885,014 km (0.078 R)
• M8: 13,984,708 km (0.044 R)
• M9: 14,673,906 km (0.119 R)
• M10: 14,849,683 km (0.074 R)
• M11: 15,205,427 km (0.103 R)
• M12: 19,012,094 km (0.115 R)
• M13: 21,245,890 km (0.074 R)
• M14: 23,648,880 km (0.094 R)
• M15: 26,055,162 km (0.096 R)
• M16: 27,273,188 km (0.103 R)
• M17: 28,256,495 km (0.102 R)
• M18: 31,348,084 km (0.066 R)
• M19: 31,835,324 km (0.093 R)
• M20: 32,130,032 km (0.052 R)
• M21: 33,428,392 km (0.097 R)
• M22: 33,937,025 km (0.083 R)
• M23: 34,141,824 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.9

Radius: 4.2

Gravity: 42.68 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 17.33 AU - 20.01 AU

Year: 29764 Days

Day: 20.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 102,355,572 km

• M1: 54,005 km (0.078 R)
• M2: 188,344 km (0.08 R)
• M3: 455,675 km (0.098 R)
• M4: 721,211 km (0.043 R)
• M5: 999,613 km (0.061 R)
• M6: 1,248,843 km (0.03 R)
• M7: 1,379,891 km (0.076 R)
• M8: 1,829,582 km (0.054 R)
• M9: 4,002,641 km (0.03 R)
• M10: 4,945,556 km (0.082 R)
• M11: 5,577,607 km (0.088 R)
• M12: 6,027,897 km (0.096 R)
• M13: 10,010,042 km (0.067 R)
• M14: 11,941,351 km (0.071 R)
• M15: 12,310,558 km (0.108 R)
• M16: 13,149,503 km (0.095 R)
• M17: 17,636,093 km (0.084 R)
• M18: 18,700,482 km (0.081 R)
• M19: 19,399,702 km (0.101 R)
• M20: 19,807,057 km (0.12 R)
• M21: 21,929,552 km (0.067 R)
• M22: 23,159,097 km (0.085 R)
• M23: 23,617,465 km (0.102 R)
• M24: 25,269,175 km (0.11 R)
• M25: 29,197,465 km (0.119 R)
• M26: 30,546,539 km (0.12 R)
• M27: 31,236,484 km (0.075 R)
• M28: 36,359,164 km (0.1 R)
• M29: 38,077,894 km (0.073 R)
• M30: 39,199,280 km (0.077 R)
• M31: 48,042,459 km (0.113 R)
• M32: 65,350,184 km (0.077 R)
• M33: 69,058,566 km (0.057 R)
• M34: 78,937,860 km (0.11 R)
• M35: 82,075,525 km (0.04 R)
• M36: 89,156,741 km (0.098 R)
• M37: 91,130,535 km (0.05 R)
• M38: 95,457,803 km (0.065 R)
• M39: 101,132,798 km (0.068 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: 554 - 12,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit