🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 12.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.86 AU

Year: 422 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,007,397 km

• M1: 158,125 km (0.077 R)
• M2: 601,832 km (0.098 R)
• M3: 1,096,403 km (0.108 R)
• M4: 1,512,584 km (0.067 R)
• M5: 1,909,318 km (0.05 R)
• M6: 2,588,492 km (0.115 R)
• M7: 3,175,813 km (0.115 R)
• M8: 3,650,338 km (0.076 R)
• M9: 4,146,853 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.1

Radius: 10.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.12 AU - 1.64 AU

Year: 1119 Days

Day: 7.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,007,397 km

• M1: 125,662 km (0.06 R)
• M2: 456,872 km (0.103 R)
• M3: 840,740 km (0.076 R)
• M4: 1,405,472 km (0.116 R)
• M5: 4,002,641 km (0.118 R)
• M6: 4,471,480 km (0.09 R)
• M7: 4,791,919 km (0.094 R)
• M8: 5,579,851 km (0.084 R)
• M9: 8,464,996 km (0.09 R)
• M10: 9,097,795 km (0.109 R)
• M11: 9,614,805 km (0.096 R)
• M12: 10,060,457 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 14.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.48 AU - 2.18 AU

Year: 1709 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 175.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,007,397 km

• M1: 176,675 km (0.101 R)
• M2: 644,617 km (0.079 R)
• M3: 1,120,937 km (0.119 R)
• M4: 1,705,266 km (0.078 R)
• M5: 2,277,029 km (0.105 R)
• M6: 3,495,504 km (0.101 R)
• M7: 4,186,496 km (0.114 R)
• M8: 4,949,146 km (0.118 R)
• M9: 6,730,707 km (0.062 R)
• M10: 8,330,956 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 12.3

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.92 AU - 2.16 AU

Year: 2011 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,007,397 km

• M1: 153,039 km (0.025 R)
• M2: 617,540 km (0.099 R)
• M3: 1,275,920 km (0.096 R)
• M4: 1,746,705 km (0.086 R)
• M5: 2,233,347 km (0.105 R)
• M6: 2,738,090 km (0.117 R)
• M7: 3,158,161 km (0.044 R)
• M8: 3,998,601 km (0.117 R)
• M9: 4,461,906 km (0.118 R)
• M10: 5,246,846 km (0.105 R)
• M11: 6,425,528 km (0.112 R)
• M12: 8,160,713 km (0.112 R)
• M13: 8,655,284 km (0.106 R)
• M14: 9,670,605 km (0.029 R)
• M15: 11,170,922 km (0.092 R)
• M16: 11,626,747 km (0.12 R)
• M17: 12,094,988 km (0.074 R)
• M18: 12,903,415 km (0.09 R)
• M19: 14,095,411 km (0.072 R)
• M20: 14,538,370 km (0.104 R)
• M21: 15,128,234 km (0.107 R)
• M22: 16,066,961 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 9.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.26 AU - 3.58 AU

Year: 4366 Days

Day: 6.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,007,397 km

• M1: 117,434 km (0.095 R)
• M2: 574,306 km (0.119 R)
• M3: 918,381 km (0.106 R)
• M4: 1,785,750 km (0.096 R)
• M5: 2,075,371 km (0.066 R)
• M6: 2,719,240 km (0.114 R)
• M7: 3,415,020 km (0.083 R)
• M8: 4,290,317 km (0.093 R)
• M9: 4,936,131 km (0.114 R)
• M10: 6,136,355 km (0.113 R)
• M11: 7,650,435 km (0.109 R)
• M12: 9,029,727 km (0.109 R)
• M13: 9,324,435 km (0.095 R)
• M14: 10,649,274 km (0.091 R)
• M15: 11,187,527 km (0.108 R)
• M16: 11,700,349 km (0.12 R)
• M17: 12,051,006 km (0.098 R)
• M18: 12,363,516 km (0.097 R)
• M19: 13,051,367 km (0.079 R)
• M20: 15,793,646 km (0.08 R)
• M21: 16,168,239 km (0.083 R)
• M22: 16,603,568 km (0.098 R)
• M23: 17,440,718 km (0.078 R)
• M24: 18,130,664 km (0.102 R)
• M25: 19,078,665 km (0.112 R)
• M26: 20,121,662 km (0.112 R)
• M27: 20,944,599 km (0.109 R)
• M28: 21,527,283 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 3.5

Gravity: 53.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.17 AU - 6.69 AU

Year: 9968 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,007,397 km

• M1: 44,879 km (0.097 R)
• M2: 193,131 km (0.089 R)
• M3: 371,601 km (0.064 R)
• M4: 551,717 km (0.099 R)
• M5: 1,264,551 km (0.098 R)
• M6: 1,586,186 km (0.069 R)
• M7: 1,704,817 km (0.12 R)
• M8: 1,861,446 km (0.058 R)
• M9: 4,081,329 km (0.103 R)
• M10: 4,478,212 km (0.087 R)
• M11: 4,716,372 km (0.091 R)
• M12: 5,057,306 km (0.049 R)
• M13: 5,481,266 km (0.093 R)
• M14: 6,251,994 km (0.088 R)
• M15: 7,052,642 km (0.1 R)
• M16: 8,762,396 km (0.064 R)
• M17: 10,314,773 km (0.063 R)
• M18: 15,109,684 km (0.098 R)
• M19: 15,308,799 km (0.099 R)
• M20: 15,780,182 km (0.103 R)
• M21: 16,261,139 km (0.097 R)
• M22: 17,108,312 km (0.108 R)
• M23: 17,397,185 km (0.038 R)
• M24: 18,967,065 km (0.078 R)
• M25: 19,198,792 km (0.032 R)
• M26: 22,471,246 km (0.065 R)
• M27: 28,956,313 km (0.116 R)
• M28: 29,884,419 km (0.119 R)
• M29: 30,938,784 km (0.112 R)
• M30: 31,367,382 km (0.067 R)
• M31: 31,800,019 km (0.057 R)
• M32: 32,236,546 km (0.062 R)
• M33: 32,456,305 km (0.065 R)
• M34: 32,898,666 km (0.047 R)
• M35: 41,436,815 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103

Radius: 3

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.65 AU - 8.97 AU

Year: 15066 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,007,397 km

• M1: 37,250 km (0.116 R)
• M2: 161,865 km (0.106 R)
• M3: 289,173 km (0.098 R)
• M4: 844,929 km (0.11 R)
• M5: 2,309,791 km (0.09 R)
• M6: 2,965,927 km (0.106 R)
• M7: 3,511,212 km (0.114 R)
• M8: 4,244,989 km (0.076 R)
• M9: 5,665,122 km (0.032 R)
• M10: 7,014,644 km (0.107 R)
• M11: 7,446,832 km (0.099 R)
• M12: 8,443,753 km (0.078 R)
• M13: 10,282,161 km (0.114 R)
• M14: 10,558,169 km (0.111 R)
• M15: 10,698,043 km (0.116 R)
• M16: 18,418,639 km (0.069 R)
• M17: 26,347,775 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.6

Radius: 5.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.89 AU - 9.07 AU

Year: 15560 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,007,397 km

• M1: 72,106 km (0.107 R)
• M2: 562,189 km (0.108 R)
• M3: 747,840 km (0.099 R)
• M4: 1,637,947 km (0.117 R)
• M5: 2,318,617 km (0.061 R)
• M6: 3,498,795 km (0.052 R)
• M7: 3,752,214 km (0.039 R)
• M8: 5,447,457 km (0.029 R)
• M9: 5,980,474 km (0.104 R)
• M10: 8,964,054 km (0.036 R)
• M11: 9,527,888 km (0.083 R)
• M12: 11,261,578 km (0.118 R)
• M13: 11,815,090 km (0.1 R)
• M14: 12,333,896 km (0.059 R)
• M15: 13,416,685 km (0.116 R)
• M16: 14,038,563 km (0.094 R)
• M17: 14,917,451 km (0.05 R)
• M18: 15,400,802 km (0.105 R)
• M19: 15,708,225 km (0.061 R)
• M20: 17,908,062 km (0.089 R)
• M21: 18,800,862 km (0.076 R)
• M22: 22,511,787 km (0.06 R)
• M23: 23,959,146 km (0.038 R)
• M24: 24,789,414 km (0.112 R)
• M25: 28,857,130 km (0.087 R)
• M26: 34,174,138 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.4

Radius: 4.8

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.42 AU - 9.68 AU

Year: 15765 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,007,397 km

• M1: 59,839 km (0.067 R)
• M2: 265,387 km (0.113 R)
• M3: 605,722 km (0.111 R)
• M4: 790,176 km (0.045 R)
• M5: 1,012,030 km (0.086 R)
• M6: 1,186,461 km (0.109 R)
• M7: 1,673,851 km (0.104 R)
• M8: 2,672,865 km (0.093 R)
• M9: 2,939,897 km (0.075 R)
• M10: 3,932,330 km (0.084 R)
• M11: 5,437,583 km (0.102 R)
• M12: 6,512,594 km (0.051 R)
• M13: 7,204,933 km (0.113 R)
• M14: 8,356,836 km (0.077 R)
• M15: 9,832,320 km (0.088 R)
• M16: 10,360,401 km (0.106 R)
• M17: 12,358,280 km (0.061 R)
• M18: 13,351,610 km (0.115 R)
• M19: 14,064,743 km (0.087 R)
• M20: 14,531,488 km (0.094 R)
• M21: 15,146,784 km (0.108 R)
• M22: 17,475,275 km (0.115 R)
• M23: 17,705,058 km (0.091 R)
• M24: 20,537,244 km (0.12 R)
• M25: 20,879,076 km (0.113 R)
• M26: 22,016,019 km (0.07 R)
• M27: 24,412,577 km (0.11 R)
• M28: 30,817,461 km (0.083 R)
• M29: 31,945,429 km (0.077 R)
• M30: 32,289,055 km (0.081 R)
• M31: 33,925,656 km (0.103 R)
• M32: 34,885,176 km (0.041 R)
• M33: 43,361,691 km (0.113 R)
• M34: 50,434,529 km (0.07 R)
• M35: 52,952,859 km (0.113 R)
• M36: 53,434,115 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.5

Radius: 3.5

Gravity: 68.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.21 AU - 9.17 AU

Year: 17682 Days

Day: 20.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,007,397 km

• M1: 43,533 km (0.037 R)
• M2: 368,160 km (0.087 R)
• M3: 487,988 km (0.111 R)
• M4: 670,647 km (0.101 R)
• M5: 1,004,101 km (0.112 R)
• M6: 2,255,188 km (0.074 R)
• M7: 2,454,153 km (0.105 R)
• M8: 2,640,702 km (0.111 R)
• M9: 4,490,330 km (0.1 R)
• M10: 5,597,504 km (0.09 R)
• M11: 6,516,782 km (0.097 R)
• M12: 7,629,491 km (0.039 R)
• M13: 8,648,702 km (0.118 R)
• M14: 9,025,988 km (0.094 R)
• M15: 11,078,022 km (0.113 R)
• M16: 13,926,365 km (0.083 R)
• M17: 18,521,563 km (0.12 R)
• M18: 19,057,123 km (0.111 R)
• M19: 19,879,612 km (0.117 R)
• M20: 21,595,350 km (0.028 R)
• M21: 21,791,922 km (0.035 R)
• M22: 22,489,048 km (0.084 R)
• M23: 23,823,162 km (0.059 R)
• M24: 26,647,869 km (0.079 R)
• M25: 28,728,925 km (0.041 R)
• M26: 29,325,820 km (0.078 R)
• M27: 30,791,580 km (0.111 R)
• M28: 32,177,604 km (0.101 R)
• M29: 38,137,883 km (0.08 R)
• M30: 52,890,776 km (0.063 R)
• M31: 55,608,072 km (0.087 R)
• M32: 62,307,364 km (0.075 R)
• M33: 63,910,604 km (0.118 R)
• M34: 64,112,860 km (0.117 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: 173 - 18,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit