🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 12.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,094,713 km

• M1: 151,692 km (0.063 R)
• M2: 637,885 km (0.108 R)
• M3: 1,080,845 km (0.095 R)
• M4: 1,607,579 km (0.083 R)
• M5: 2,294,981 km (0.081 R)
• M6: 3,474,261 km (0.062 R)
• M7: 4,205,196 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.4

Radius: 8.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.69 AU - 0.81 AU

Year: 448 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,094,713 km

• M1: 123,717 km (0.117 R)
• M2: 408,701 km (0.096 R)
• M3: 694,433 km (0.102 R)
• M4: 974,481 km (0.076 R)
• M5: 1,393,803 km (0.101 R)
• M6: 1,732,942 km (0.074 R)
• M7: 2,093,473 km (0.104 R)
• M8: 2,532,243 km (0.119 R)
• M9: 2,840,864 km (0.069 R)
• M10: 3,450,924 km (0.069 R)
• M11: 4,519,352 km (0.107 R)
• M12: 4,840,389 km (0.09 R)
• M13: 5,447,158 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817

Radius: 13.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.43 AU - 2.57 AU

Year: 2728 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,094,713 km

• M1: 162,912 km (0.108 R)
• M2: 599,439 km (0.117 R)
• M3: 1,072,766 km (0.119 R)
• M4: 1,780,514 km (0.088 R)
• M5: 3,011,106 km (0.106 R)
• M6: 3,467,529 km (0.049 R)
• M7: 4,303,482 km (0.118 R)
• M8: 5,699,828 km (0.055 R)
• M9: 7,630,539 km (0.115 R)
• M10: 8,797,103 km (0.099 R)
• M11: 9,332,214 km (0.085 R)
• M12: 9,926,716 km (0.107 R)
• M13: 10,428,318 km (0.039 R)
• M14: 12,517,602 km (0.084 R)
• M15: 13,945,214 km (0.1 R)
• M16: 15,173,712 km (0.105 R)
• M17: 17,342,732 km (0.108 R)
• M18: 18,414,899 km (0.033 R)

Asteroid Belt

Center: 2.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 12.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.31 AU - 3.45 AU

Year: 4289 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,094,713 km

• M1: 158,723 km (0.049 R)
• M2: 1,193,641 km (0.119 R)
• M3: 2,196,246 km (0.092 R)
• M4: 2,956,503 km (0.1 R)
• M5: 3,676,966 km (0.101 R)
• M6: 4,235,265 km (0.047 R)
• M7: 4,899,330 km (0.08 R)
• M8: 6,376,160 km (0.115 R)
• M9: 7,818,583 km (0.108 R)
• M10: 9,864,633 km (0.09 R)
• M11: 10,690,413 km (0.091 R)
• M12: 11,251,555 km (0.111 R)
• M13: 11,969,026 km (0.06 R)
• M14: 12,527,026 km (0.025 R)
• M15: 13,102,230 km (0.096 R)
• M16: 14,828,440 km (0.118 R)
• M17: 15,526,913 km (0.113 R)
• M18: 16,816,596 km (0.046 R)
• M19: 17,517,013 km (0.064 R)
• M20: 18,976,639 km (0.045 R)
• M21: 19,417,205 km (0.113 R)
• M22: 21,113,795 km (0.082 R)
• M23: 21,791,922 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 14.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.9 AU - 4.1 AU

Year: 4520 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,094,713 km

• M1: 175,329 km (0.046 R)
• M2: 746,194 km (0.109 R)
• M3: 1,231,041 km (0.12 R)
• M4: 1,720,226 km (0.103 R)
• M5: 3,201,993 km (0.068 R)
• M6: 4,288,522 km (0.103 R)
• M7: 5,470,495 km (0.071 R)
• M8: 5,948,311 km (0.108 R)
• M9: 7,085,404 km (0.107 R)
• M10: 7,620,216 km (0.071 R)
• M11: 8,846,620 km (0.105 R)
• M12: 10,034,726 km (0.061 R)
• M13: 10,538,871 km (0.095 R)
• M14: 11,507,068 km (0.12 R)
• M15: 12,390,294 km (0.116 R)
• M16: 13,722,613 km (0.095 R)
• M17: 14,239,623 km (0.107 R)
• M18: 15,093,976 km (0.105 R)
• M19: 17,559,798 km (0.1 R)
• M20: 18,231,493 km (0.06 R)
• M21: 19,561,418 km (0.084 R)
• M22: 20,887,304 km (0.044 R)
• M23: 22,485,158 km (0.081 R)
• M24: 23,059,614 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 14.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.17 AU - 5.07 AU

Year: 6854 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,094,713 km

• M1: 186,549 km (0.064 R)
• M2: 675,434 km (0.119 R)
• M3: 1,267,692 km (0.088 R)
• M4: 3,001,083 km (0.043 R)
• M5: 3,999,649 km (0.068 R)
• M6: 4,966,051 km (0.112 R)
• M7: 5,664,075 km (0.044 R)
• M8: 6,652,617 km (0.117 R)
• M9: 7,327,154 km (0.104 R)
• M10: 7,862,565 km (0.062 R)
• M11: 9,093,157 km (0.1 R)
• M12: 9,712,492 km (0.106 R)
• M13: 10,672,013 km (0.101 R)
• M14: 11,174,961 km (0.115 R)
• M15: 12,728,984 km (0.094 R)
• M16: 15,672,023 km (0.098 R)
• M17: 17,177,725 km (0.112 R)
• M18: 17,997,821 km (0.073 R)
• M19: 19,648,184 km (0.062 R)
• M20: 20,197,209 km (0.096 R)
• M21: 23,708,570 km (0.082 R)
• M22: 24,646,249 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.1

Radius: 6.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.18 AU - 6.4 AU

Year: 10889 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,094,713 km

• M1: 80,783 km (0.114 R)
• M2: 419,173 km (0.097 R)
• M3: 678,426 km (0.087 R)
• M4: 1,397,244 km (0.03 R)
• M5: 1,602,193 km (0.074 R)
• M6: 1,932,206 km (0.101 R)
• M7: 2,138,352 km (0.091 R)
• M8: 2,448,169 km (0.088 R)
• M9: 4,048,268 km (0.107 R)
• M10: 4,775,314 km (0.079 R)
• M11: 6,733,550 km (0.107 R)
• M12: 7,400,906 km (0.061 R)
• M13: 8,193,027 km (0.08 R)
• M14: 8,823,133 km (0.079 R)
• M15: 11,984,734 km (0.078 R)
• M16: 13,585,880 km (0.111 R)
• M17: 15,324,507 km (0.045 R)
• M18: 16,149,988 km (0.034 R)
• M19: 18,307,787 km (0.117 R)
• M20: 22,777,024 km (0.108 R)
• M21: 23,268,602 km (0.07 R)
• M22: 25,568,670 km (0.113 R)
• M23: 30,024,442 km (0.081 R)
• M24: 31,516,382 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.2

Radius: 4.4

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.52 AU - 8.06 AU

Year: 12213 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,094,713 km

• M1: 54,753 km (0.093 R)
• M2: 282,291 km (0.076 R)
• M3: 496,216 km (0.056 R)
• M4: 1,007,841 km (0.092 R)
• M5: 1,196,334 km (0.099 R)
• M6: 1,558,660 km (0.107 R)
• M7: 2,180,539 km (0.114 R)
• M8: 2,824,258 km (0.09 R)
• M9: 4,192,780 km (0.093 R)
• M10: 6,128,576 km (0.101 R)
• M11: 7,149,282 km (0.106 R)
• M12: 7,554,692 km (0.098 R)
• M13: 8,500,001 km (0.108 R)
• M14: 10,112,218 km (0.081 R)
• M15: 12,371,594 km (0.116 R)
• M16: 13,496,122 km (0.096 R)
• M17: 14,686,921 km (0.043 R)
• M18: 16,358,228 km (0.105 R)
• M19: 18,905,281 km (0.057 R)
• M20: 21,620,931 km (0.068 R)
• M21: 21,788,331 km (0.062 R)
• M22: 22,125,675 km (0.074 R)
• M23: 22,295,767 km (0.096 R)
• M24: 24,043,819 km (0.075 R)
• M25: 25,975,576 km (0.065 R)
• M26: 27,613,224 km (0.12 R)
• M27: 30,880,292 km (0.113 R)
• M28: 31,520,271 km (0.061 R)
• M29: 32,169,077 km (0.1 R)
• M30: 37,562,081 km (0.1 R)
• M31: 40,281,321 km (0.1 R)
• M32: 40,789,505 km (0.114 R)
• M33: 41,818,589 km (0.107 R)
• M34: 43,261,610 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252

Radius: 6.5

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.87 AU - 10.51 AU

Year: 17682 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,094,713 km

• M1: 80,932 km (0.08 R)
• M2: 500,255 km (0.116 R)
• M3: 1,266,196 km (0.119 R)
• M4: 1,949,111 km (0.052 R)
• M5: 2,212,253 km (0.069 R)
• M6: 2,420,194 km (0.111 R)
• M7: 3,314,042 km (0.093 R)
• M8: 8,153,084 km (0.086 R)
• M9: 8,745,791 km (0.117 R)
• M10: 10,857,365 km (0.116 R)
• M11: 12,381,318 km (0.093 R)
• M12: 15,229,213 km (0.109 R)
• M13: 15,433,264 km (0.09 R)
• M14: 17,205,850 km (0.039 R)
• M15: 18,255,428 km (0.117 R)
• M16: 20,730,675 km (0.072 R)
• M17: 21,918,482 km (0.111 R)
• M18: 23,240,777 km (0.105 R)
• M19: 27,828,495 km (0.102 R)
• M20: 30,982,766 km (0.112 R)
• M21: 36,878,269 km (0.1 R)
• M22: 40,935,213 km (0.084 R)
• M23: 41,594,790 km (0.08 R)
• M24: 42,395,737 km (0.119 R)
• M25: 44,304,457 km (0.101 R)
• M26: 46,127,307 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.3

Radius: 7.9

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.54 AU - 11.78 AU

Year: 22354 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,094,713 km

• M1: 99,333 km (0.099 R)
• M2: 540,348 km (0.114 R)
• M3: 908,059 km (0.112 R)
• M4: 1,643,781 km (0.105 R)
• M5: 2,293,186 km (0.097 R)
• M6: 3,923,803 km (0.083 R)
• M7: 4,959,020 km (0.083 R)
• M8: 5,644,776 km (0.111 R)
• M9: 5,988,552 km (0.065 R)
• M10: 6,255,585 km (0.1 R)
• M11: 6,530,545 km (0.053 R)
• M12: 8,353,994 km (0.069 R)
• M13: 8,631,648 km (0.036 R)
• M14: 14,506,954 km (0.087 R)
• M15: 14,908,625 km (0.108 R)
• M16: 15,400,502 km (0.109 R)
• M17: 18,023,402 km (0.085 R)
• M18: 19,343,753 km (0.119 R)
• M19: 28,396,069 km (0.064 R)
• M20: 29,662,864 km (0.106 R)
• M21: 33,132,488 km (0.12 R)
• M22: 36,715,057 km (0.053 R)
• M23: 38,829,923 km (0.07 R)
• M24: 40,074,278 km (0.093 R)
• M25: 65,487,216 km (0.079 R)
• M26: 75,086,762 km (0.071 R)
• M27: 85,582,548 km (0.086 R)
• M28: 85,843,597 km (0.061 R)
• M29: 88,218,014 km (0.104 R)
• M30: 88,484,448 km (0.052 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit