🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 10.2

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.09 AU - 1.63 AU

Year: 1024 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,043,489 km

• M1: 127,158 km (0.069 R)
• M2: 536,009 km (0.117 R)
• M3: 932,892 km (0.069 R)
• M4: 1,409,362 km (0.047 R)
• M5: 1,860,100 km (0.035 R)
• M6: 2,177,547 km (0.118 R)
• M7: 2,531,495 km (0.116 R)
• M8: 2,924,040 km (0.033 R)
• M9: 3,694,619 km (0.065 R)
• M10: 4,054,701 km (0.101 R)
• M11: 4,864,474 km (0.1 R)
• M12: 5,840,450 km (0.028 R)
• M13: 6,397,254 km (0.043 R)
• M14: 6,988,913 km (0.051 R)
• M15: 8,047,318 km (0.089 R)
• M16: 8,387,504 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 13

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.42 AU - 1.78 AU

Year: 1307 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,043,489 km

• M1: 161,715 km (0.108 R)
• M2: 620,532 km (0.118 R)
• M3: 1,855,313 km (0.109 R)
• M4: 2,394,015 km (0.114 R)
• M5: 2,931,071 km (0.114 R)
• M6: 3,366,999 km (0.092 R)
• M7: 3,874,286 km (0.097 R)
• M8: 4,325,772 km (0.111 R)
• M9: 5,197,030 km (0.067 R)
• M10: 5,729,748 km (0.092 R)
• M11: 6,338,013 km (0.096 R)
• M12: 6,822,261 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.9

Radius: 12.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.03 AU

Year: 1406 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,043,489 km

• M1: 157,975 km (0.105 R)
• M2: 642,224 km (0.119 R)
• M3: 1,081,443 km (0.101 R)
• M4: 1,519,765 km (0.076 R)
• M5: 1,917,097 km (0.119 R)
• M6: 2,454,452 km (0.07 R)
• M7: 3,189,277 km (0.113 R)
• M8: 3,983,043 km (0.088 R)
• M9: 4,516,509 km (0.072 R)
• M10: 5,136,443 km (0.095 R)
• M11: 6,028,944 km (0.039 R)
• M12: 7,494,704 km (0.101 R)
• M13: 8,202,451 km (0.091 R)
• M14: 8,983,203 km (0.091 R)
• M15: 9,782,354 km (0.111 R)
• M16: 11,218,943 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 11.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.94 AU - 2.34 AU

Year: 2021 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,043,489 km

• M1: 143,016 km (0.063 R)
• M2: 687,402 km (0.062 R)
• M3: 1,198,429 km (0.082 R)
• M4: 1,980,526 km (0.079 R)
• M5: 2,616,616 km (0.077 R)
• M6: 2,983,430 km (0.058 R)
• M7: 4,160,616 km (0.074 R)
• M8: 5,506,997 km (0.107 R)
• M9: 7,152,573 km (0.11 R)
• M10: 12,417,820 km (0.119 R)
• M11: 14,120,393 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 8

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.25 AU - 2.41 AU

Year: 2296 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,043,489 km

• M1: 100,380 km (0.098 R)
• M2: 433,684 km (0.098 R)
• M3: 845,527 km (0.08 R)
• M4: 1,381,836 km (0.03 R)
• M5: 1,731,595 km (0.07 R)
• M6: 2,004,163 km (0.065 R)
• M7: 3,397,218 km (0.09 R)
• M8: 4,003,538 km (0.09 R)
• M9: 5,045,787 km (0.04 R)
• M10: 5,630,116 km (0.04 R)
• M11: 7,011,054 km (0.073 R)
• M12: 7,627,696 km (0.101 R)
• M13: 9,030,475 km (0.086 R)
• M14: 9,438,279 km (0.116 R)
• M15: 11,554,491 km (0.074 R)
• M16: 12,035,298 km (0.088 R)
• M17: 12,529,420 km (0.12 R)
• M18: 12,840,135 km (0.054 R)
• M19: 13,639,586 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 8.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.38 AU - 4.64 AU

Year: 5185 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,043,489 km

• M1: 100,979 km (0.037 R)
• M2: 361,877 km (0.116 R)
• M3: 648,058 km (0.105 R)
• M4: 1,209,200 km (0.09 R)
• M5: 1,762,562 km (0.119 R)
• M6: 2,035,279 km (0.037 R)
• M7: 2,585,949 km (0.086 R)
• M8: 3,065,709 km (0.118 R)
• M9: 4,025,080 km (0.11 R)
• M10: 5,709,253 km (0.063 R)
• M11: 6,645,437 km (0.073 R)
• M12: 6,926,232 km (0.117 R)
• M13: 7,247,718 km (0.105 R)
• M14: 7,990,022 km (0.08 R)
• M15: 8,856,493 km (0.049 R)
• M16: 10,066,590 km (0.074 R)
• M17: 10,479,480 km (0.114 R)
• M18: 11,831,546 km (0.118 R)
• M19: 12,478,856 km (0.061 R)
• M20: 14,149,116 km (0.052 R)
• M21: 14,406,724 km (0.112 R)
• M22: 16,753,316 km (0.061 R)
• M23: 19,217,342 km (0.043 R)
• M24: 20,306,415 km (0.112 R)
• M25: 24,553,648 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.2

Radius: 5.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.9 AU - 7.26 AU

Year: 9680 Days

Day: 21.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,043,489 km

• M1: 68,366 km (0.12 R)
• M2: 255,962 km (0.088 R)
• M3: 447,896 km (0.083 R)
• M4: 676,182 km (0.09 R)
• M5: 1,354,459 km (0.105 R)
• M6: 2,275,982 km (0.117 R)
• M7: 2,595,972 km (0.093 R)
• M8: 2,808,850 km (0.117 R)
• M9: 5,156,040 km (0.107 R)
• M10: 5,708,056 km (0.104 R)
• M11: 7,568,306 km (0.084 R)
• M12: 8,245,535 km (0.088 R)
• M13: 8,456,468 km (0.079 R)
• M14: 9,488,544 km (0.114 R)
• M15: 10,601,851 km (0.104 R)
• M16: 11,933,273 km (0.108 R)
• M17: 12,477,210 km (0.116 R)
• M18: 13,324,084 km (0.095 R)
• M19: 13,517,364 km (0.053 R)
• M20: 16,258,297 km (0.059 R)
• M21: 16,479,103 km (0.088 R)
• M22: 18,919,493 km (0.09 R)
• M23: 20,225,483 km (0.067 R)
• M24: 22,329,577 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 4.6

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.43 AU - 8.37 AU

Year: 11703 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,043,489 km

• M1: 58,343 km (0.068 R)
• M2: 382,821 km (0.028 R)
• M3: 538,852 km (0.054 R)
• M4: 1,220,569 km (0.064 R)
• M5: 1,555,818 km (0.11 R)
• M6: 1,816,567 km (0.072 R)
• M7: 2,953,810 km (0.06 R)
• M8: 3,118,218 km (0.113 R)
• M9: 3,765,678 km (0.056 R)
• M10: 5,085,879 km (0.099 R)
• M11: 6,142,489 km (0.03 R)
• M12: 6,582,606 km (0.092 R)
• M13: 8,228,930 km (0.101 R)
• M14: 8,555,203 km (0.102 R)
• M15: 9,364,677 km (0.092 R)
• M16: 9,720,421 km (0.119 R)
• M17: 10,744,867 km (0.095 R)
• M18: 11,942,398 km (0.114 R)
• M19: 12,255,207 km (0.04 R)
• M20: 12,413,631 km (0.094 R)
• M21: 12,897,132 km (0.045 R)
• M22: 13,844,385 km (0.079 R)
• M23: 15,137,958 km (0.081 R)
• M24: 16,510,070 km (0.106 R)
• M25: 16,768,126 km (0.052 R)
• M26: 18,720,378 km (0.071 R)
• M27: 22,197,482 km (0.03 R)
• M28: 26,431,999 km (0.113 R)
• M29: 27,863,800 km (0.106 R)
• M30: 30,011,427 km (0.109 R)
• M31: 36,236,643 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.5

Radius: 7.4

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.01 AU - 12.25 AU

Year: 20818 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,043,489 km

• M1: 93,050 km (0.117 R)
• M2: 373,097 km (0.09 R)
• M3: 768,484 km (0.084 R)
• M4: 1,021,454 km (0.076 R)
• M5: 1,491,341 km (0.071 R)
• M6: 1,853,069 km (0.061 R)
• M7: 2,363,646 km (0.061 R)
• M8: 3,073,787 km (0.108 R)
• M9: 3,757,300 km (0.111 R)
• M10: 4,359,581 km (0.11 R)
• M11: 4,684,059 km (0.116 R)
• M12: 4,947,501 km (0.118 R)
• M13: 6,235,389 km (0.026 R)
• M14: 7,425,889 km (0.1 R)
• M15: 8,482,199 km (0.108 R)
• M16: 9,278,958 km (0.065 R)
• M17: 12,248,924 km (0.098 R)
• M18: 12,969,537 km (0.115 R)
• M19: 14,180,831 km (0.12 R)
• M20: 15,219,040 km (0.104 R)
• M21: 16,914,134 km (0.097 R)
• M22: 18,357,753 km (0.068 R)
• M23: 20,775,255 km (0.075 R)
• M24: 21,488,388 km (0.091 R)
• M25: 22,856,011 km (0.04 R)
• M26: 26,349,571 km (0.116 R)
• M27: 28,408,785 km (0.103 R)
• M28: 31,762,171 km (0.072 R)
• M29: 34,798,409 km (0.095 R)
• M30: 40,646,489 km (0.105 R)
• M31: 43,388,618 km (0.106 R)
• M32: 52,538,174 km (0.1 R)
• M33: 54,242,094 km (0.082 R)
• M34: 62,472,071 km (0.118 R)
• M35: 67,655,936 km (0.045 R)
• M36: 75,479,755 km (0.093 R)
• M37: 75,957,870 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.9

Radius: 4.6

Gravity: 34.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.32 AU - 11.26 AU

Year: 21313 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 138.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,043,489 km

• M1: 57,146 km (0.114 R)
• M2: 227,090 km (0.112 R)
• M3: 420,968 km (0.043 R)
• M4: 2,661,496 km (0.057 R)
• M5: 3,020,830 km (0.101 R)
• M6: 3,711,074 km (0.08 R)
• M7: 4,714,876 km (0.095 R)
• M8: 5,477,077 km (0.032 R)
• M9: 5,679,782 km (0.091 R)
• M10: 6,677,600 km (0.1 R)
• M11: 7,388,040 km (0.092 R)
• M12: 12,389,247 km (0.083 R)
• M13: 12,598,235 km (0.101 R)
• M14: 13,531,277 km (0.08 R)
• M15: 17,289,176 km (0.102 R)
• M16: 17,902,377 km (0.088 R)
• M17: 18,895,258 km (0.101 R)
• M18: 19,545,859 km (0.089 R)
• M19: 19,829,198 km (0.115 R)
• M20: 20,695,818 km (0.118 R)
• M21: 21,788,780 km (0.076 R)
• M22: 25,297,898 km (0.084 R)
• M23: 26,087,774 km (0.085 R)
• M24: 26,893,957 km (0.056 R)
• M25: 30,537,713 km (0.107 R)
• M26: 33,275,503 km (0.08 R)
• M27: 35,608,183 km (0.073 R)
• M28: 38,489,438 km (0.081 R)
• M29: 38,785,791 km (0.101 R)
• M30: 38,934,491 km (0.08 R)
• M31: 46,030,218 km (0.039 R)
• M32: 49,442,695 km (0.073 R)
• M33: 51,031,873 km (0.045 R)
• M34: 54,125,856 km (0.087 R)
• M35: 60,885,137 km (0.056 R)
• M36: 71,708,692 km (0.064 R)
• M37: 71,932,790 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit