🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 12.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.88 AU - 1.24 AU

Year: 716 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,099,147 km

• M1: 150,645 km (0.079 R)
• M2: 584,628 km (0.04 R)
• M3: 1,124,078 km (0.107 R)
• M4: 1,582,745 km (0.117 R)
• M5: 2,454,751 km (0.028 R)
• M6: 3,292,200 km (0.099 R)
• M7: 3,757,450 km (0.089 R)
• M8: 4,615,842 km (0.089 R)
• M9: 5,459,425 km (0.073 R)
• M10: 6,058,115 km (0.116 R)
• M11: 6,924,287 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359

Radius: 12.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.56 AU - 3.8 AU

Year: 3720 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,099,147 km

• M1: 170,990 km (0.064 R)
• M2: 629,209 km (0.101 R)
• M3: 1,292,077 km (0.118 R)
• M4: 3,717,806 km (0.098 R)
• M5: 4,212,227 km (0.06 R)
• M6: 4,795,360 km (0.098 R)
• M7: 5,431,899 km (0.12 R)
• M8: 6,018,023 km (0.109 R)
• M9: 6,731,306 km (0.084 R)
• M10: 7,779,538 km (0.092 R)
• M11: 9,570,374 km (0.082 R)
• M12: 10,161,435 km (0.077 R)
• M13: 11,663,099 km (0.079 R)
• M14: 12,337,935 km (0.066 R)
• M15: 16,058,733 km (0.086 R)
• M16: 17,703,861 km (0.11 R)
• M17: 19,110,530 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.4

Radius: 14.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.79 AU - 4.35 AU

Year: 4425 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,099,147 km

• M1: 180,265 km (0.079 R)
• M2: 892,950 km (0.046 R)
• M3: 1,394,402 km (0.117 R)
• M4: 1,962,425 km (0.11 R)
• M5: 2,826,801 km (0.093 R)
• M6: 3,338,725 km (0.049 R)
• M7: 3,792,904 km (0.108 R)
• M8: 4,353,597 km (0.064 R)
• M9: 4,993,427 km (0.06 R)
• M10: 6,016,228 km (0.097 R)
• M11: 6,606,990 km (0.091 R)
• M12: 7,613,484 km (0.104 R)
• M13: 8,408,148 km (0.105 R)
• M14: 9,969,800 km (0.041 R)
• M15: 10,758,929 km (0.116 R)
• M16: 12,064,021 km (0.095 R)
• M17: 14,240,820 km (0.098 R)
• M18: 18,530,090 km (0.111 R)
• M19: 20,526,922 km (0.11 R)
• M20: 21,416,132 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 12

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.29 AU - 4.35 AU

Year: 4898 Days

Day: 6.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,099,147 km

• M1: 150,795 km (0.12 R)
• M2: 753,076 km (0.053 R)
• M3: 1,507,348 km (0.114 R)
• M4: 2,157,500 km (0.081 R)
• M5: 2,877,814 km (0.079 R)
• M6: 3,314,939 km (0.106 R)
• M7: 3,884,758 km (0.093 R)
• M8: 4,421,066 km (0.084 R)
• M9: 4,822,886 km (0.1 R)
• M10: 5,556,663 km (0.031 R)
• M11: 6,521,270 km (0.113 R)
• M12: 7,144,794 km (0.098 R)
• M13: 8,820,290 km (0.058 R)
• M14: 9,666,715 km (0.046 R)
• M15: 10,347,236 km (0.098 R)
• M16: 11,059,621 km (0.104 R)
• M17: 13,085,475 km (0.084 R)
• M18: 14,132,361 km (0.116 R)
• M19: 15,575,981 km (0.073 R)
• M20: 16,932,833 km (0.116 R)
• M21: 18,112,113 km (0.035 R)
• M22: 19,146,882 km (0.114 R)
• M23: 19,746,021 km (0.088 R)
• M24: 26,444,864 km (0.045 R)
• M25: 27,188,216 km (0.064 R)
• M26: 28,458,153 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 14.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.51 AU - 5.31 AU

Year: 6075 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,099,147 km

• M1: 183,407 km (0.093 R)
• M2: 669,750 km (0.118 R)
• M3: 1,359,246 km (0.104 R)
• M4: 1,897,350 km (0.086 R)
• M5: 2,368,284 km (0.116 R)
• M6: 2,840,265 km (0.084 R)
• M7: 4,819,744 km (0.12 R)
• M8: 5,681,428 km (0.119 R)
• M9: 6,300,314 km (0.072 R)
• M10: 7,294,392 km (0.117 R)
• M11: 7,987,180 km (0.088 R)
• M12: 8,473,074 km (0.074 R)
• M13: 15,456,751 km (0.098 R)
• M14: 16,085,960 km (0.089 R)
• M15: 17,463,457 km (0.119 R)
• M16: 18,494,486 km (0.078 R)
• M17: 19,348,241 km (0.118 R)
• M18: 21,910,553 km (0.101 R)
• M19: 24,521,784 km (0.11 R)
• M20: 25,814,609 km (0.059 R)
• M21: 30,257,815 km (0.117 R)
• M22: 33,176,021 km (0.112 R)
• M23: 35,294,925 km (0.112 R)
• M24: 37,615,337 km (0.07 R)
• M25: 38,182,463 km (0.113 R)

Asteroid Belt

Center: 5.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745

Radius: 14.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.71 AU - 6.61 AU

Year: 8834 Days

Day: 6.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 55.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,099,147 km

• M1: 184,454 km (0.099 R)
• M2: 702,063 km (0.107 R)
• M3: 2,219,733 km (0.11 R)
• M4: 2,861,658 km (0.115 R)
• M5: 3,674,722 km (0.075 R)
• M6: 4,136,680 km (0.089 R)
• M7: 4,695,728 km (0.119 R)
• M8: 5,210,494 km (0.091 R)
• M9: 5,796,618 km (0.077 R)
• M10: 6,426,575 km (0.107 R)
• M11: 7,024,667 km (0.029 R)
• M12: 8,332,901 km (0.099 R)
• M13: 8,954,031 km (0.054 R)
• M14: 11,215,801 km (0.077 R)
• M15: 12,708,638 km (0.054 R)
• M16: 13,294,015 km (0.117 R)
• M17: 15,485,773 km (0.109 R)
• M18: 16,495,409 km (0.11 R)
• M19: 17,548,429 km (0.084 R)
• M20: 20,896,579 km (0.114 R)
• M21: 21,383,968 km (0.088 R)
• M22: 23,063,953 km (0.119 R)
• M23: 26,025,691 km (0.114 R)
• M24: 26,590,274 km (0.106 R)
• M25: 30,983,664 km (0.115 R)
• M26: 32,369,090 km (0.118 R)
• M27: 33,462,501 km (0.102 R)
• M28: 35,263,210 km (0.077 R)
• M29: 37,246,429 km (0.073 R)
• M30: 38,204,903 km (0.118 R)
• M31: 43,115,154 km (0.112 R)
• M32: 43,906,077 km (0.055 R)
• M33: 45,381,412 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.8

Radius: 7.9

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.97 AU - 8.11 AU

Year: 12254 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 38,099,147 km

• M1: 98,286 km (0.064 R)
• M2: 419,622 km (0.075 R)
• M3: 1,164,470 km (0.073 R)
• M4: 2,603,901 km (0.116 R)
• M5: 2,872,878 km (0.103 R)
• M6: 3,135,871 km (0.089 R)
• M7: 3,766,126 km (0.105 R)
• M8: 4,669,398 km (0.11 R)
• M9: 7,024,817 km (0.036 R)
• M10: 7,460,296 km (0.03 R)
• M11: 8,100,126 km (0.086 R)
• M12: 9,646,669 km (0.075 R)
• M13: 11,859,670 km (0.066 R)
• M14: 12,289,914 km (0.107 R)
• M15: 13,777,216 km (0.055 R)
• M16: 16,643,511 km (0.104 R)
• M17: 18,296,867 km (0.12 R)
• M18: 19,121,450 km (0.079 R)
• M19: 19,373,672 km (0.118 R)
• M20: 20,056,886 km (0.108 R)
• M21: 23,046,001 km (0.054 R)
• M22: 31,265,506 km (0.11 R)
• M23: 31,733,000 km (0.096 R)
• M24: 38,776,965 km (0.109 R)
• M25: 39,181,328 km (0.106 R)
• M26: 39,452,399 km (0.067 R)
• M27: 41,105,306 km (0.098 R)
• M28: 43,525,351 km (0.115 R)
• M29: 44,108,184 km (0.119 R)
• M30: 48,647,133 km (0.111 R)
• M31: 50,226,588 km (0.088 R)
• M32: 50,707,096 km (0.059 R)
• M33: 52,495,090 km (0.106 R)
• M34: 54,324,672 km (0.073 R)
• M35: 57,061,116 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.5

Radius: 6.8

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.18 AU - 11 AU

Year: 19482 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,099,147 km

• M1: 87,365 km (0.083 R)
• M2: 879,635 km (0.101 R)
• M3: 1,289,085 km (0.113 R)
• M4: 1,633,459 km (0.119 R)
• M5: 2,507,560 km (0.04 R)
• M6: 2,756,490 km (0.085 R)
• M7: 3,277,839 km (0.082 R)
• M8: 3,632,386 km (0.055 R)
• M9: 4,227,486 km (0.095 R)
• M10: 5,958,633 km (0.113 R)
• M11: 7,407,039 km (0.081 R)
• M12: 7,638,168 km (0.092 R)
• M13: 7,874,234 km (0.091 R)
• M14: 9,556,462 km (0.112 R)
• M15: 10,223,518 km (0.119 R)
• M16: 10,510,447 km (0.114 R)
• M17: 10,980,783 km (0.072 R)
• M18: 15,336,026 km (0.066 R)
• M19: 18,520,815 km (0.082 R)
• M20: 20,447,635 km (0.034 R)
• M21: 21,741,059 km (0.088 R)
• M22: 22,892,513 km (0.033 R)
• M23: 28,129,336 km (0.108 R)
• M24: 28,579,776 km (0.113 R)
• M25: 31,264,160 km (0.076 R)
• M26: 33,478,807 km (0.112 R)
• M27: 34,495,773 km (0.077 R)
• M28: 34,753,231 km (0.055 R)
• M29: 37,128,097 km (0.08 R)
• M30: 42,789,030 km (0.107 R)
• M31: 43,235,430 km (0.083 R)
• M32: 44,898,659 km (0.104 R)
• M33: 45,359,720 km (0.116 R)
• M34: 58,847,314 km (0.12 R)
• M35: 62,976,066 km (0.088 R)
• M36: 65,899,358 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 6.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.57 AU - 10.85 AU

Year: 21402 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,099,147 km

• M1: 84,822 km (0.11 R)
• M2: 444,306 km (0.114 R)
• M3: 934,687 km (0.099 R)
• M4: 2,588,941 km (0.087 R)
• M5: 4,079,684 km (0.047 R)
• M6: 7,538,087 km (0.087 R)
• M7: 8,293,706 km (0.114 R)
• M8: 11,111,531 km (0.105 R)
• M9: 14,095,261 km (0.061 R)
• M10: 14,932,261 km (0.114 R)
• M11: 18,402,184 km (0.089 R)
• M12: 22,135,548 km (0.031 R)
• M13: 28,260,983 km (0.057 R)
• M14: 33,298,392 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 19,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit