🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 12.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 362 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,622,799 km

• M1: 157,975 km (0.084 R)
• M2: 563,685 km (0.117 R)
• M3: 1,539,212 km (0.087 R)
• M4: 1,973,346 km (0.1 R)
• M5: 2,406,132 km (0.055 R)
• M6: 3,008,114 km (0.096 R)
• M7: 3,619,969 km (0.07 R)
• M8: 4,263,988 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 14

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,622,799 km

• M1: 174,282 km (0.114 R)
• M2: 667,057 km (0.09 R)
• M3: 1,175,390 km (0.077 R)
• M4: 1,925,474 km (0.1 R)
• M5: 2,401,495 km (0.065 R)
• M6: 2,902,049 km (0.079 R)
• M7: 3,386,447 km (0.092 R)
• M8: 4,580,687 km (0.097 R)
• M9: 5,079,147 km (0.115 R)
• M10: 6,297,472 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 12.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.78 AU - 0.84 AU

Year: 503 Days

Day: 6.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,622,799 km

• M1: 154,235 km (0.115 R)
• M2: 632,649 km (0.103 R)
• M3: 1,253,929 km (0.067 R)
• M4: 1,803,253 km (0.102 R)
• M5: 2,276,431 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 9

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.32 AU - 1.86 AU

Year: 1384 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,622,799 km

• M1: 112,198 km (0.119 R)
• M2: 431,440 km (0.072 R)
• M3: 954,584 km (0.105 R)
• M4: 2,258,629 km (0.051 R)
• M5: 2,681,691 km (0.066 R)
• M6: 3,965,690 km (0.094 R)
• M7: 5,417,836 km (0.118 R)
• M8: 6,203,225 km (0.081 R)
• M9: 6,725,172 km (0.11 R)
• M10: 7,010,007 km (0.093 R)
• M11: 7,466,131 km (0.115 R)
• M12: 9,267,887 km (0.075 R)
• M13: 9,556,312 km (0.064 R)
• M14: 9,950,203 km (0.051 R)
• M15: 12,237,106 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 8.1

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.35 AU - 3.41 AU

Year: 4289 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,622,799 km

• M1: 100,829 km (0.036 R)
• M2: 376,089 km (0.056 R)
• M3: 739,612 km (0.08 R)
• M4: 1,021,305 km (0.036 R)
• M5: 1,476,531 km (0.026 R)
• M6: 2,226,016 km (0.071 R)
• M7: 2,901,750 km (0.101 R)
• M8: 4,914,440 km (0.102 R)
• M9: 5,322,842 km (0.075 R)
• M10: 7,859,423 km (0.081 R)
• M11: 9,164,964 km (0.087 R)
• M12: 9,658,487 km (0.071 R)
• M13: 9,954,542 km (0.104 R)
• M14: 10,256,580 km (0.028 R)
• M15: 11,107,492 km (0.119 R)
• M16: 13,102,679 km (0.058 R)
• M17: 13,676,237 km (0.117 R)
• M18: 14,103,788 km (0.102 R)
• M19: 14,650,718 km (0.116 R)
• M20: 14,929,419 km (0.096 R)
• M21: 17,914,943 km (0.116 R)
• M22: 21,490,632 km (0.08 R)
• M23: 22,068,678 km (0.091 R)
• M24: 24,720,300 km (0.085 R)
• M25: 26,000,409 km (0.12 R)
• M26: 26,491,689 km (0.077 R)
• M27: 27,408,275 km (0.065 R)
• M28: 28,518,740 km (0.072 R)
• M29: 29,392,990 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 14.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.82 AU - 5.96 AU

Year: 7464 Days

Day: 8.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,622,799 km

• M1: 179,069 km (0.072 R)
• M2: 861,235 km (0.06 R)
• M3: 2,331,333 km (0.069 R)
• M4: 2,912,072 km (0.087 R)
• M5: 4,901,574 km (0.093 R)
• M6: 5,798,413 km (0.108 R)
• M7: 6,303,905 km (0.113 R)
• M8: 7,559,928 km (0.078 R)
• M9: 12,719,559 km (0.073 R)
• M10: 13,344,579 km (0.06 R)
• M11: 15,662,897 km (0.089 R)
• M12: 26,621,539 km (0.115 R)
• M13: 29,574,601 km (0.119 R)
• M14: 32,845,559 km (0.088 R)
• M15: 36,577,427 km (0.09 R)
• M16: 37,379,571 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.3

Radius: 3.8

Gravity: 45.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.59 AU - 7.25 AU

Year: 9942 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,622,799 km

• M1: 47,423 km (0.074 R)
• M2: 170,691 km (0.11 R)
• M3: 330,462 km (0.117 R)
• M4: 844,630 km (0.097 R)
• M5: 1,123,330 km (0.084 R)
• M6: 1,328,429 km (0.087 R)
• M7: 1,861,297 km (0.059 R)
• M8: 2,707,273 km (0.087 R)
• M9: 2,942,441 km (0.058 R)
• M10: 3,404,848 km (0.11 R)
• M11: 3,940,857 km (0.088 R)
• M12: 4,076,392 km (0.106 R)
• M13: 4,709,939 km (0.106 R)
• M14: 5,473,188 km (0.097 R)
• M15: 6,352,374 km (0.089 R)
• M16: 6,729,211 km (0.068 R)
• M17: 7,240,836 km (0.064 R)
• M18: 8,034,902 km (0.118 R)
• M19: 11,081,462 km (0.104 R)
• M20: 13,614,453 km (0.058 R)
• M21: 13,987,401 km (0.11 R)
• M22: 15,681,896 km (0.106 R)
• M23: 16,160,460 km (0.066 R)
• M24: 19,316,077 km (0.114 R)
• M25: 20,750,721 km (0.116 R)
• M26: 26,043,942 km (0.054 R)
• M27: 27,692,511 km (0.057 R)
• M28: 32,279,780 km (0.107 R)
• M29: 36,034,686 km (0.034 R)
• M30: 36,747,371 km (0.118 R)
• M31: 38,323,384 km (0.083 R)
• M32: 39,566,094 km (0.045 R)
• M33: 41,739,751 km (0.071 R)
• M34: 44,397,357 km (0.098 R)
• M35: 46,044,878 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.3

Radius: 6.3

Gravity: 23.51 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.64 AU - 7.1 AU

Year: 11097 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,622,799 km

• M1: 91,853 km (0.117 R)
• M2: 675,734 km (0.096 R)
• M3: 874,549 km (0.035 R)
• M4: 1,161,029 km (0.097 R)
• M5: 1,907,522 km (0.033 R)
• M6: 2,867,043 km (0.106 R)
• M7: 3,077,827 km (0.087 R)
• M8: 3,426,539 km (0.089 R)
• M9: 4,085,219 km (0.098 R)
• M10: 6,368,830 km (0.102 R)
• M11: 6,893,919 km (0.091 R)
• M12: 8,309,115 km (0.053 R)
• M13: 8,935,780 km (0.085 R)
• M14: 9,960,675 km (0.037 R)
• M15: 12,181,007 km (0.054 R)
• M16: 13,244,647 km (0.116 R)
• M17: 15,341,262 km (0.072 R)
• M18: 18,360,595 km (0.08 R)
• M19: 18,763,911 km (0.093 R)
• M20: 19,090,783 km (0.11 R)
• M21: 28,550,604 km (0.048 R)
• M22: 29,200,906 km (0.109 R)
• M23: 30,306,733 km (0.11 R)
• M24: 33,791,317 km (0.078 R)
• M25: 35,754,789 km (0.086 R)
• M26: 36,131,177 km (0.099 R)
• M27: 44,370,130 km (0.093 R)
• M28: 44,659,602 km (0.059 R)
• M29: 50,875,393 km (0.104 R)
• M30: 56,278,569 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.1

Radius: 4.5

Gravity: 29.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.74 AU - 9.06 AU

Year: 16805 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,622,799 km

• M1: 350,657 km (0.103 R)
• M2: 991,684 km (0.1 R)
• M3: 1,424,920 km (0.114 R)
• M4: 1,993,392 km (0.086 R)
• M5: 7,495,452 km (0.045 R)
• M6: 8,802,638 km (0.068 R)
• M7: 10,254,635 km (0.102 R)
• M8: 11,246,618 km (0.083 R)
• M9: 11,428,081 km (0.027 R)
• M10: 11,859,222 km (0.106 R)
• M11: 12,885,014 km (0.068 R)
• M12: 18,742,519 km (0.077 R)
• M13: 22,721,673 km (0.035 R)
• M14: 26,156,589 km (0.089 R)
• M15: 34,033,216 km (0.085 R)
• M16: 34,667,960 km (0.073 R)
• M17: 38,232,129 km (0.091 R)
• M18: 44,400,199 km (0.094 R)
• M19: 47,010,981 km (0.065 R)
• M20: 52,032,084 km (0.046 R)
• M21: 54,239,850 km (0.115 R)
• M22: 61,050,293 km (0.113 R)
• M23: 63,888,164 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.9

Radius: 3.3

Gravity: 79.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.37 AU - 9.89 AU

Year: 19042 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,622,799 km

• M1: 41,439 km (0.096 R)
• M2: 158,873 km (0.105 R)
• M3: 385,663 km (0.117 R)
• M4: 505,192 km (0.082 R)
• M5: 622,028 km (0.107 R)
• M6: 1,240,316 km (0.11 R)
• M7: 1,660,237 km (0.12 R)
• M8: 2,042,759 km (0.112 R)
• M9: 2,411,817 km (0.113 R)
• M10: 2,600,161 km (0.093 R)
• M11: 2,849,241 km (0.054 R)
• M12: 3,168,932 km (0.028 R)
• M13: 4,007,129 km (0.066 R)
• M14: 4,170,938 km (0.097 R)
• M15: 5,020,505 km (0.086 R)
• M16: 5,853,316 km (0.035 R)
• M17: 6,150,118 km (0.078 R)
• M18: 7,148,833 km (0.097 R)
• M19: 7,636,672 km (0.113 R)
• M20: 8,787,229 km (0.114 R)
• M21: 9,232,881 km (0.106 R)
• M22: 9,403,722 km (0.105 R)
• M23: 10,473,945 km (0.031 R)
• M24: 12,159,165 km (0.08 R)
• M25: 12,923,610 km (0.084 R)
• M26: 13,719,471 km (0.082 R)
• M27: 14,856,714 km (0.113 R)
• M28: 19,007,606 km (0.089 R)
• M29: 21,395,637 km (0.114 R)
• M30: 23,233,896 km (0.084 R)
• M31: 23,550,146 km (0.096 R)
• M32: 24,083,612 km (0.11 R)
• M33: 25,508,232 km (0.096 R)
• M34: 26,988,204 km (0.107 R)
• M35: 28,284,170 km (0.083 R)
• M36: 31,382,941 km (0.084 R)
• M37: 36,090,337 km (0.063 R)
• M38: 37,228,627 km (0.119 R)
• M39: 53,721,044 km (0.101 R)
• M40: 57,094,626 km (0.088 R)
• M41: 74,029,404 km (0.044 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 19,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit