🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.52 AU - 0.74 AU

Year: 230 Days

Day: 46.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,531,699 km

• M1: 118,631 km (0.05 R)
• M2: 363,074 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.2 AU - 1.48 AU

Year: 714 Days

Day: 24 Hours

Environment

Temp: -102 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,531,699 km

• M1: 26,180 km (0.118 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 10.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.79 AU - 2.77 AU

Year: 1584 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,531,699 km

• M1: 126,859 km (0.059 R)
• M2: 2,089,583 km (0.067 R)
• M3: 3,036,388 km (0.092 R)
• M4: 3,385,699 km (0.063 R)
• M5: 4,469,984 km (0.069 R)
• M6: 5,392,405 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 10.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.5 AU - 3.34 AU

Year: 2296 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,531,699 km

• M1: 128,056 km (0.115 R)
• M2: 698,772 km (0.092 R)
• M3: 1,104,182 km (0.111 R)
• M4: 1,570,179 km (0.119 R)
• M5: 1,893,311 km (0.107 R)
• M6: 2,904,293 km (0.083 R)
• M7: 3,397,667 km (0.104 R)
• M8: 4,376,486 km (0.112 R)
• M9: 4,837,696 km (0.097 R)
• M10: 5,510,587 km (0.075 R)
• M11: 5,881,739 km (0.113 R)
• M12: 7,042,619 km (0.102 R)
• M13: 7,620,964 km (0.04 R)
• M14: 8,200,806 km (0.114 R)
• M15: 8,654,686 km (0.06 R)
• M16: 9,029,877 km (0.07 R)
• M17: 9,448,602 km (0.095 R)
• M18: 10,464,670 km (0.079 R)
• M19: 11,035,386 km (0.12 R)
• M20: 12,084,217 km (0.115 R)
• M21: 13,075,751 km (0.084 R)
• M22: 13,487,146 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 12.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.9 AU - 3.62 AU

Year: 2709 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 114 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,531,699 km

• M1: 158,125 km (0.101 R)
• M2: 566,677 km (0.105 R)
• M3: 957,426 km (0.115 R)
• M4: 1,389,315 km (0.043 R)
• M5: 2,048,444 km (0.108 R)
• M6: 2,544,361 km (0.066 R)
• M7: 4,034,655 km (0.09 R)
• M8: 4,762,747 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 14.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.37 AU - 8.45 AU

Year: 11223 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,531,699 km

• M1: 180,415 km (0.102 R)
• M2: 682,914 km (0.105 R)
• M3: 1,292,526 km (0.087 R)
• M4: 1,893,460 km (0.028 R)
• M5: 3,887,899 km (0.083 R)
• M6: 4,585,773 km (0.077 R)
• M7: 6,661,144 km (0.067 R)
• M8: 7,489,767 km (0.097 R)
• M9: 8,201,404 km (0.117 R)
• M10: 9,760,064 km (0.081 R)
• M11: 10,719,435 km (0.063 R)
• M12: 14,043,500 km (0.088 R)
• M13: 20,618,177 km (0.097 R)
• M14: 21,661,772 km (0.092 R)
• M15: 36,318,623 km (0.073 R)
• M16: 40,335,775 km (0.067 R)
• M17: 41,829,659 km (0.093 R)
• M18: 48,175,900 km (0.095 R)
• M19: 51,104,428 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.6

Radius: 3.3

Gravity: 24.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.21 AU - 11.97 AU

Year: 13666 Days

Day: 18.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 24,531,699 km

• M1: 40,990 km (0.117 R)
• M2: 164,258 km (0.076 R)
• M3: 341,083 km (0.101 R)
• M4: 480,957 km (0.114 R)
• M5: 628,909 km (0.067 R)
• M6: 1,016,966 km (0.094 R)
• M7: 1,323,792 km (0.049 R)
• M8: 1,718,431 km (0.11 R)
• M9: 2,517,283 km (0.057 R)
• M10: 2,735,098 km (0.11 R)
• M11: 2,880,208 km (0.077 R)
• M12: 3,208,276 km (0.025 R)
• M13: 5,295,017 km (0.105 R)
• M14: 6,130,222 km (0.082 R)
• M15: 6,271,442 km (0.044 R)
• M16: 6,634,366 km (0.084 R)
• M17: 7,362,010 km (0.062 R)
• M18: 8,355,340 km (0.05 R)
• M19: 9,528,487 km (0.042 R)
• M20: 10,105,336 km (0.033 R)
• M21: 12,140,466 km (0.116 R)
• M22: 12,419,615 km (0.092 R)
• M23: 13,759,414 km (0.055 R)
• M24: 14,001,912 km (0.102 R)
• M25: 14,620,499 km (0.079 R)
• M26: 16,381,266 km (0.032 R)
• M27: 17,417,979 km (0.111 R)
• M28: 18,793,083 km (0.109 R)
• M29: 24,394,326 km (0.11 R)
• M30: 25,018,000 km (0.06 R)
• M31: 26,670,308 km (0.082 R)
• M32: 28,590,098 km (0.056 R)
• M33: 30,599,796 km (0.116 R)
• M34: 33,133,385 km (0.118 R)
• M35: 33,241,844 km (0.117 R)
• M36: 37,073,494 km (0.109 R)
• M37: 38,613,006 km (0.105 R)
• M38: 42,327,371 km (0.089 R)
• M39: 42,840,043 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.8

Radius: 3.4

Gravity: 55.17 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 13.65 AU - 15.51 AU

Year: 25619 Days

Day: 20.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 24,531,699 km

• M1: 42,336 km (0.048 R)
• M2: 287,826 km (0.084 R)
• M3: 457,620 km (0.088 R)
• M4: 2,290,942 km (0.072 R)
• M5: 3,190,025 km (0.105 R)
• M6: 3,576,885 km (0.083 R)
• M7: 3,994,263 km (0.052 R)
• M8: 5,040,850 km (0.066 R)
• M9: 5,198,227 km (0.037 R)
• M10: 7,918,066 km (0.103 R)
• M11: 8,238,804 km (0.107 R)
• M12: 8,402,314 km (0.039 R)
• M13: 9,194,435 km (0.038 R)
• M14: 9,729,098 km (0.108 R)
• M15: 9,911,906 km (0.11 R)
• M16: 10,096,959 km (0.09 R)
• M17: 10,410,516 km (0.079 R)
• M18: 12,358,280 km (0.075 R)
• M19: 12,935,429 km (0.096 R)
• M20: 13,156,534 km (0.105 R)
• M21: 13,758,217 km (0.085 R)
• M22: 14,378,001 km (0.115 R)
• M23: 14,535,827 km (0.061 R)
• M24: 15,178,798 km (0.104 R)
• M25: 16,263,533 km (0.082 R)
• M26: 17,940,375 km (0.109 R)
• M27: 24,769,219 km (0.094 R)
• M28: 29,446,845 km (0.056 R)
• M29: 30,473,984 km (0.101 R)
• M30: 32,059,123 km (0.073 R)
• M31: 33,837,393 km (0.105 R)
• M32: 36,114,871 km (0.081 R)
• M33: 39,874,864 km (0.112 R)
• M34: 44,219,485 km (0.096 R)
• M35: 57,920,256 km (0.094 R)
• M36: 58,922,861 km (0.078 R)
• M37: 61,375,818 km (0.08 R)
• M38: 65,181,737 km (0.095 R)
• M39: 67,583,232 km (0.063 R)
• M40: 74,195,906 km (0.098 R)
• M41: 75,854,348 km (0.092 R)
• M42: 80,977,327 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.6

Radius: 5.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 14.71 AU - 16.33 AU

Year: 28136 Days

Day: 18 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,531,699 km

• M1: 67,768 km (0.113 R)
• M2: 985,700 km (0.101 R)
• M3: 1,917,695 km (0.074 R)
• M4: 2,107,684 km (0.08 R)
• M5: 3,875,782 km (0.115 R)
• M6: 4,316,647 km (0.111 R)
• M7: 4,741,355 km (0.106 R)
• M8: 13,654,546 km (0.09 R)
• M9: 14,463,571 km (0.081 R)
• M10: 19,429,472 km (0.082 R)
• M11: 23,022,514 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 19,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit