🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 8.5

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1 AU - 1.58 AU

Year: 946 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,474,753 km

• M1: 105,766 km (0.086 R)
• M2: 388,206 km (0.068 R)
• M3: 679,922 km (0.072 R)
• M4: 991,086 km (0.117 R)
• M5: 1,255,874 km (0.077 R)
• M6: 1,577,210 km (0.08 R)
• M7: 1,856,360 km (0.093 R)
• M8: 2,343,600 km (0.114 R)
• M9: 2,709,965 km (0.077 R)
• M10: 2,992,855 km (0.089 R)
• M11: 3,440,003 km (0.044 R)
• M12: 4,143,412 km (0.048 R)
• M13: 4,827,673 km (0.075 R)
• M14: 5,168,008 km (0.102 R)
• M15: 6,330,533 km (0.112 R)
• M16: 6,925,783 km (0.1 R)
• M17: 7,310,399 km (0.103 R)
• M18: 7,608,249 km (0.086 R)
• M19: 8,441,957 km (0.111 R)
• M20: 8,909,152 km (0.049 R)
• M21: 9,656,692 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 9.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.21 AU - 2.29 AU

Year: 2179 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,474,753 km

• M1: 119,379 km (0.089 R)
• M2: 516,861 km (0.06 R)
• M3: 895,642 km (0.117 R)
• M4: 1,305,989 km (0.076 R)
• M5: 1,665,772 km (0.042 R)
• M6: 2,048,294 km (0.097 R)
• M7: 3,823,722 km (0.117 R)
• M8: 4,439,915 km (0.104 R)
• M9: 6,520,522 km (0.119 R)
• M10: 8,159,367 km (0.102 R)
• M11: 8,732,776 km (0.092 R)
• M12: 10,885,040 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 14.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.55 AU - 3.45 AU

Year: 3355 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,474,753 km

• M1: 194,328 km (0.095 R)
• M2: 987,346 km (0.083 R)
• M3: 2,125,038 km (0.06 R)
• M4: 3,446,735 km (0.102 R)
• M5: 4,238,257 km (0.087 R)
• M6: 5,035,614 km (0.047 R)
• M7: 5,754,432 km (0.089 R)
• M8: 6,314,526 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 9.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.23 AU - 3.93 AU

Year: 4374 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,474,753 km

• M1: 121,773 km (0.085 R)
• M2: 546,481 km (0.071 R)
• M3: 1,132,905 km (0.066 R)
• M4: 1,507,947 km (0.093 R)
• M5: 1,918,593 km (0.076 R)
• M6: 2,375,764 km (0.11 R)
• M7: 3,385,849 km (0.057 R)
• M8: 3,939,211 km (0.107 R)
• M9: 4,403,413 km (0.08 R)
• M10: 5,345,431 km (0.115 R)
• M11: 7,808,710 km (0.072 R)
• M12: 9,604,632 km (0.077 R)
• M13: 10,075,117 km (0.061 R)
• M14: 12,196,116 km (0.112 R)
• M15: 14,224,364 km (0.108 R)
• M16: 14,551,534 km (0.114 R)
• M17: 15,269,903 km (0.101 R)
• M18: 16,011,460 km (0.07 R)
• M19: 17,566,680 km (0.097 R)
• M20: 18,161,331 km (0.062 R)
• M21: 18,657,846 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 6.2

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.71 AU - 8.55 AU

Year: 13608 Days

Day: 24.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,474,753 km

• M1: 77,193 km (0.025 R)
• M2: 365,617 km (0.08 R)
• M3: 605,572 km (0.082 R)
• M4: 983,606 km (0.101 R)
• M5: 1,338,751 km (0.058 R)
• M6: 2,092,874 km (0.118 R)
• M7: 2,509,355 km (0.045 R)
• M8: 3,299,082 km (0.095 R)
• M9: 4,365,565 km (0.086 R)
• M10: 4,584,726 km (0.037 R)
• M11: 5,867,378 km (0.08 R)
• M12: 6,409,970 km (0.108 R)
• M13: 6,776,036 km (0.096 R)
• M14: 7,416,913 km (0.099 R)
• M15: 9,899,789 km (0.112 R)
• M16: 12,321,629 km (0.112 R)
• M17: 17,035,458 km (0.044 R)
• M18: 17,267,334 km (0.032 R)
• M19: 20,916,176 km (0.08 R)
• M20: 21,450,390 km (0.081 R)
• M21: 21,811,669 km (0.093 R)
• M22: 22,639,244 km (0.08 R)
• M23: 23,583,207 km (0.061 R)
• M24: 30,822,696 km (0.101 R)
• M25: 31,747,361 km (0.102 R)
• M26: 32,452,864 km (0.11 R)
• M27: 44,180,290 km (0.114 R)
• M28: 47,766,600 km (0.108 R)
• M29: 48,228,110 km (0.049 R)
• M30: 49,945,792 km (0.049 R)
• M31: 54,000,493 km (0.047 R)
• M32: 55,173,939 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.6

Radius: 4.9

Gravity: 26.47 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.52 AU - 8.82 AU

Year: 15078 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,474,753 km

• M1: 61,485 km (0.074 R)
• M2: 215,421 km (0.113 R)
• M3: 443,558 km (0.107 R)
• M4: 1,152,801 km (0.058 R)
• M5: 1,686,118 km (0.036 R)
• M6: 2,054,577 km (0.118 R)
• M7: 2,228,111 km (0.055 R)
• M8: 2,560,966 km (0.083 R)
• M9: 4,676,280 km (0.059 R)
• M10: 5,221,414 km (0.049 R)
• M11: 5,436,387 km (0.108 R)
• M12: 6,396,506 km (0.086 R)
• M13: 6,895,415 km (0.059 R)
• M14: 9,100,936 km (0.112 R)
• M15: 10,223,070 km (0.105 R)
• M16: 11,858,474 km (0.103 R)
• M17: 12,167,842 km (0.093 R)
• M18: 17,161,269 km (0.08 R)
• M19: 18,864,740 km (0.115 R)
• M20: 21,035,705 km (0.049 R)
• M21: 22,134,651 km (0.095 R)
• M22: 24,545,869 km (0.098 R)
• M23: 26,177,683 km (0.101 R)
• M24: 26,596,706 km (0.08 R)
• M25: 27,448,068 km (0.1 R)
• M26: 29,769,079 km (0.078 R)
• M27: 31,504,863 km (0.07 R)
• M28: 32,941,152 km (0.036 R)
• M29: 38,043,487 km (0.057 R)
• M30: 38,851,614 km (0.097 R)
• M31: 41,486,182 km (0.118 R)
• M32: 44,089,634 km (0.1 R)
• M33: 50,583,378 km (0.091 R)
• M34: 53,216,002 km (0.105 R)
• M35: 54,906,906 km (0.109 R)
• M36: 57,686,435 km (0.071 R)
• M37: 60,923,733 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit