🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.09 AU - 1.19 AU

Year: 454 Days

Day: 28.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 42.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.81 AU - 2.81 AU

Year: 1309 Days

Day: 25.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,903,558 km

• M1: 904,170 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.4 AU - 5.54 AU

Year: 3523 Days

Day: 28.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 8.1

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.23 AU - 6.19 AU

Year: 4433 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,903,558 km

• M1: 101,278 km (0.09 R)
• M2: 458,966 km (0.056 R)
• M3: 1,070,074 km (0.072 R)
• M4: 1,390,961 km (0.055 R)
• M5: 1,667,268 km (0.113 R)
• M6: 2,088,985 km (0.105 R)
• M7: 2,596,421 km (0.053 R)
• M8: 3,073,937 km (0.114 R)
• M9: 3,669,486 km (0.099 R)
• M10: 4,092,998 km (0.028 R)
• M11: 4,764,842 km (0.095 R)
• M12: 5,809,484 km (0.099 R)
• M13: 6,326,344 km (0.119 R)
• M14: 6,718,590 km (0.085 R)
• M15: 7,719,400 km (0.119 R)
• M16: 8,344,270 km (0.107 R)
• M17: 9,694,840 km (0.117 R)
• M18: 10,013,782 km (0.115 R)
• M19: 10,884,292 km (0.088 R)
• M20: 11,492,108 km (0.108 R)
• M21: 12,352,895 km (0.105 R)
• M22: 13,110,458 km (0.112 R)
• M23: 17,195,527 km (0.086 R)
• M24: 18,079,651 km (0.106 R)
• M25: 23,813,737 km (0.029 R)
• M26: 24,248,768 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.8

Radius: 14.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.8 AU - 6.68 AU

Year: 5811 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,903,558 km

• M1: 180,415 km (0.085 R)
• M2: 691,591 km (0.116 R)
• M3: 1,145,022 km (0.038 R)
• M4: 1,603,839 km (0.061 R)
• M5: 2,061,159 km (0.078 R)
• M6: 3,799,636 km (0.091 R)
• M7: 4,805,233 km (0.066 R)
• M8: 5,663,626 km (0.086 R)
• M9: 6,878,061 km (0.114 R)
• M10: 10,281,263 km (0.078 R)
• M11: 11,754,054 km (0.086 R)
• M12: 13,931,302 km (0.106 R)
• M13: 14,786,104 km (0.112 R)
• M14: 16,191,426 km (0.044 R)
• M15: 17,439,222 km (0.085 R)
• M16: 18,558,962 km (0.058 R)
• M17: 19,071,933 km (0.045 R)
• M18: 19,792,546 km (0.087 R)
• M19: 21,568,273 km (0.067 R)
• M20: 27,366,238 km (0.105 R)
• M21: 27,864,099 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 5.2

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.47 AU - 14.05 AU

Year: 16991 Days

Day: 18.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,903,558 km

• M1: 66,870 km (0.102 R)
• M2: 263,741 km (0.09 R)
• M3: 466,147 km (0.114 R)
• M4: 683,363 km (0.064 R)
• M5: 924,066 km (0.055 R)
• M6: 1,118,992 km (0.092 R)
• M7: 1,327,532 km (0.049 R)
• M8: 1,624,782 km (0.088 R)
• M9: 2,095,268 km (0.04 R)
• M10: 2,372,772 km (0.119 R)
• M11: 2,674,361 km (0.06 R)
• M12: 2,952,912 km (0.115 R)
• M13: 3,174,467 km (0.074 R)
• M14: 3,406,942 km (0.12 R)
• M15: 4,082,825 km (0.079 R)
• M16: 4,711,286 km (0.116 R)
• M17: 5,474,684 km (0.069 R)
• M18: 6,479,383 km (0.106 R)
• M19: 6,727,715 km (0.116 R)
• M20: 7,199,398 km (0.069 R)
• M21: 8,401,566 km (0.084 R)
• M22: 8,647,355 km (0.12 R)
• M23: 12,545,726 km (0.068 R)
• M24: 13,127,662 km (0.08 R)
• M25: 13,931,302 km (0.082 R)
• M26: 15,270,053 km (0.035 R)
• M27: 16,924,755 km (0.07 R)
• M28: 23,557,177 km (0.031 R)
• M29: 27,335,121 km (0.036 R)
• M30: 28,092,535 km (0.054 R)
• M31: 28,531,605 km (0.051 R)
• M32: 33,421,810 km (0.117 R)
• M33: 33,791,167 km (0.064 R)
• M34: 35,550,438 km (0.112 R)
• M35: 40,771,553 km (0.063 R)
• M36: 48,183,081 km (0.097 R)
• M37: 49,926,045 km (0.096 R)
• M38: 58,024,377 km (0.117 R)
• M39: 60,177,389 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.2

Radius: 6.9

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 14.18 AU - 14.84 AU

Year: 20604 Days

Day: 20.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,903,558 km

• M1: 86,318 km (0.084 R)
• M2: 464,202 km (0.119 R)
• M3: 1,165,068 km (0.081 R)
• M4: 2,182,932 km (0.11 R)
• M5: 2,570,839 km (0.111 R)
• M6: 2,871,830 km (0.075 R)
• M7: 3,396,320 km (0.101 R)
• M8: 4,599,087 km (0.05 R)
• M9: 6,062,603 km (0.047 R)
• M10: 7,211,964 km (0.081 R)
• M11: 8,072,301 km (0.06 R)
• M12: 9,694,989 km (0.114 R)
• M13: 13,496,720 km (0.113 R)
• M14: 15,116,865 km (0.08 R)
• M15: 17,209,440 km (0.085 R)
• M16: 19,678,254 km (0.115 R)
• M17: 20,257,347 km (0.077 R)
• M18: 22,373,708 km (0.082 R)
• M19: 26,221,216 km (0.077 R)
• M20: 30,616,102 km (0.045 R)
• M21: 32,987,228 km (0.1 R)
• M22: 33,941,513 km (0.076 R)
• M23: 38,689,301 km (0.077 R)
• M24: 39,903,437 km (0.119 R)
• M25: 40,830,495 km (0.102 R)
• M26: 42,727,845 km (0.109 R)
• M27: 45,515,152 km (0.12 R)
• M28: 45,850,850 km (0.054 R)
• M29: 46,357,388 km (0.069 R)
• M30: 50,008,773 km (0.072 R)
• M31: 54,600,231 km (0.112 R)
• M32: 58,074,641 km (0.041 R)
• M33: 59,065,428 km (0.086 R)
• M34: 60,268,943 km (0.089 R)
• M35: 70,045,164 km (0.113 R)
• M36: 70,942,153 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.7

Radius: 3.8

Gravity: 43.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 11.26 AU - 18.18 AU

Year: 21053 Days

Day: 16.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,903,558 km

• M1: 47,273 km (0.075 R)
• M2: 193,280 km (0.094 R)
• M3: 416,929 km (0.107 R)
• M4: 660,026 km (0.094 R)
• M5: 908,059 km (0.081 R)
• M6: 1,041,201 km (0.11 R)
• M7: 1,187,508 km (0.09 R)
• M8: 1,710,652 km (0.104 R)
• M9: 1,973,794 km (0.088 R)
• M10: 4,384,115 km (0.118 R)
• M11: 6,179,439 km (0.088 R)
• M12: 7,261,929 km (0.105 R)
• M13: 7,551,102 km (0.113 R)
• M14: 8,570,761 km (0.087 R)
• M15: 9,970,100 km (0.119 R)
• M16: 10,387,627 km (0.103 R)
• M17: 10,570,137 km (0.047 R)
• M18: 11,193,810 km (0.111 R)
• M19: 12,309,810 km (0.072 R)
• M20: 14,231,545 km (0.114 R)
• M21: 14,608,082 km (0.109 R)
• M22: 16,262,485 km (0.106 R)
• M23: 17,603,780 km (0.081 R)
• M24: 20,599,627 km (0.087 R)
• M25: 23,290,144 km (0.046 R)
• M26: 27,229,356 km (0.093 R)
• M27: 29,114,139 km (0.029 R)
• M28: 32,488,918 km (0.092 R)
• M29: 48,424,980 km (0.105 R)
• M30: 49,447,033 km (0.028 R)
• M31: 51,006,890 km (0.086 R)
• M32: 53,679,007 km (0.097 R)
• M33: 56,630,573 km (0.102 R)
• M34: 59,494,176 km (0.083 R)
• M35: 65,715,353 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.3

Radius: 6.1

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 14.46 AU - 15.98 AU

Year: 22135 Days

Day: 19.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,903,558 km

• M1: 77,193 km (0.116 R)
• M2: 547,977 km (0.046 R)
• M3: 1,522,906 km (0.075 R)
• M4: 3,026,814 km (0.119 R)
• M5: 3,368,046 km (0.102 R)
• M6: 9,205,954 km (0.054 R)
• M7: 12,622,021 km (0.101 R)
• M8: 14,794,481 km (0.111 R)
• M9: 16,242,439 km (0.116 R)
• M10: 17,122,673 km (0.083 R)
• M11: 20,134,677 km (0.063 R)
• M12: 20,962,551 km (0.075 R)
• M13: 31,253,838 km (0.09 R)
• M14: 32,738,148 km (0.091 R)
• M15: 33,116,481 km (0.066 R)
• M16: 49,089,644 km (0.113 R)
• M17: 50,084,170 km (0.098 R)
• M18: 55,975,334 km (0.115 R)
• M19: 56,335,716 km (0.118 R)
• M20: 61,160,696 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 17,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit