🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 8.7

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.66 AU - 0.9 AU

Year: 484 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,918,753 km

• M1: 112,647 km (0.034 R)
• M2: 666,907 km (0.109 R)
• M3: 1,022,202 km (0.058 R)
• M4: 1,592,918 km (0.089 R)
• M5: 2,518,929 km (0.069 R)
• M6: 2,956,054 km (0.079 R)
• M7: 3,527,368 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.2

Radius: 12.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.07 AU - 1.17 AU

Year: 833 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,918,753 km

• M1: 159,172 km (0.069 R)
• M2: 611,257 km (0.106 R)
• M3: 1,121,236 km (0.085 R)
• M4: 1,598,004 km (0.117 R)
• M5: 2,312,484 km (0.083 R)
• M6: 2,717,894 km (0.102 R)
• M7: 3,312,994 km (0.09 R)
• M8: 3,730,821 km (0.081 R)
• M9: 4,159,868 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 14.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.97 AU - 2.71 AU

Year: 2516 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,918,753 km

• M1: 175,777 km (0.047 R)
• M2: 691,591 km (0.091 R)
• M3: 1,589,777 km (0.098 R)
• M4: 2,134,014 km (0.086 R)
• M5: 2,731,059 km (0.091 R)
• M6: 3,258,840 km (0.113 R)
• M7: 4,000,845 km (0.111 R)
• M8: 4,603,874 km (0.071 R)
• M9: 5,156,040 km (0.085 R)
• M10: 6,292,236 km (0.117 R)
• M11: 8,029,516 km (0.115 R)
• M12: 9,757,372 km (0.06 R)
• M13: 11,994,458 km (0.093 R)
• M14: 14,112,166 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 8.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.55 AU - 2.93 AU

Year: 3188 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,918,753 km

• M1: 106,962 km (0.119 R)
• M2: 552,764 km (0.086 R)
• M3: 824,883 km (0.112 R)
• M4: 1,247,048 km (0.108 R)
• M5: 1,542,803 km (0.03 R)
• M6: 1,830,480 km (0.056 R)
• M7: 2,105,889 km (0.12 R)
• M8: 2,683,786 km (0.074 R)
• M9: 3,151,728 km (0.118 R)
• M10: 4,153,734 km (0.066 R)
• M11: 4,592,804 km (0.118 R)
• M12: 5,400,633 km (0.094 R)
• M13: 6,718,590 km (0.074 R)
• M14: 7,757,697 km (0.093 R)
• M15: 9,194,734 km (0.112 R)
• M16: 9,597,003 km (0.094 R)
• M17: 11,173,764 km (0.025 R)
• M18: 11,593,536 km (0.03 R)
• M19: 11,984,136 km (0.098 R)
• M20: 12,545,876 km (0.086 R)
• M21: 13,124,969 km (0.049 R)
• M22: 14,336,562 km (0.104 R)
• M23: 14,605,539 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 10.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.5 AU - 3 AU

Year: 3206 Days

Day: 8.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,918,753 km

• M1: 125,662 km (0.119 R)
• M2: 653,144 km (0.092 R)
• M3: 1,225,207 km (0.117 R)
• M4: 1,992,793 km (0.105 R)
• M5: 2,790,299 km (0.115 R)
• M6: 3,406,942 km (0.112 R)
• M7: 4,499,605 km (0.034 R)
• M8: 5,127,018 km (0.11 R)
• M9: 5,785,099 km (0.095 R)
• M10: 6,162,385 km (0.091 R)
• M11: 7,968,929 km (0.031 R)
• M12: 12,506,232 km (0.088 R)
• M13: 13,184,659 km (0.119 R)
• M14: 13,744,903 km (0.114 R)
• M15: 15,779,733 km (0.087 R)
• M16: 16,518,298 km (0.097 R)
• M17: 19,108,136 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 11.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.44 AU - 5.28 AU

Year: 7531 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,918,753 km

• M1: 155,582 km (0.105 R)
• M2: 617,690 km (0.116 R)
• M3: 1,011,880 km (0.094 R)
• M4: 1,554,621 km (0.089 R)
• M5: 2,004,312 km (0.106 R)
• M6: 2,578,618 km (0.081 R)
• M7: 2,978,494 km (0.094 R)
• M8: 3,584,814 km (0.053 R)
• M9: 4,085,667 km (0.055 R)
• M10: 4,633,196 km (0.112 R)
• M11: 5,260,310 km (0.115 R)
• M12: 6,869,833 km (0.115 R)
• M13: 7,686,488 km (0.106 R)
• M14: 9,795,818 km (0.049 R)
• M15: 13,174,486 km (0.064 R)
• M16: 15,838,525 km (0.079 R)
• M17: 16,573,798 km (0.082 R)
• M18: 16,984,445 km (0.075 R)
• M19: 18,040,905 km (0.075 R)
• M20: 19,140,449 km (0.116 R)
• M21: 20,129,291 km (0.061 R)
• M22: 20,992,172 km (0.09 R)
• M23: 21,961,566 km (0.107 R)
• M24: 22,624,135 km (0.106 R)
• M25: 25,228,484 km (0.119 R)
• M26: 26,602,989 km (0.07 R)
• M27: 30,819,106 km (0.074 R)
• M28: 32,924,098 km (0.115 R)
• M29: 34,121,778 km (0.078 R)
• M30: 35,235,534 km (0.084 R)
• M31: 38,125,915 km (0.055 R)
• M32: 39,204,067 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941

Radius: 6.5

Gravity: 22.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.88 AU - 7.32 AU

Year: 10590 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,918,753 km

• M1: 80,932 km (0.078 R)
• M2: 320,289 km (0.097 R)
• M3: 523,144 km (0.086 R)
• M4: 798,254 km (0.098 R)
• M5: 1,294,321 km (0.085 R)
• M6: 1,500,018 km (0.099 R)
• M7: 1,792,182 km (0.093 R)
• M8: 2,140,596 km (0.079 R)
• M9: 3,260,186 km (0.117 R)
• M10: 3,753,111 km (0.114 R)
• M11: 4,725,946 km (0.077 R)
• M12: 4,985,050 km (0.084 R)
• M13: 5,783,603 km (0.07 R)
• M14: 6,745,069 km (0.085 R)
• M15: 7,675,568 km (0.078 R)
• M16: 10,104,289 km (0.083 R)
• M17: 10,480,827 km (0.071 R)
• M18: 10,755,489 km (0.106 R)
• M19: 11,843,065 km (0.032 R)
• M20: 12,566,670 km (0.071 R)
• M21: 16,118,572 km (0.078 R)
• M22: 17,385,965 km (0.1 R)
• M23: 21,497,364 km (0.114 R)
• M24: 23,030,891 km (0.086 R)
• M25: 26,313,966 km (0.108 R)
• M26: 26,924,026 km (0.104 R)
• M27: 28,490,466 km (0.027 R)
• M28: 29,025,727 km (0.033 R)
• M29: 29,350,205 km (0.091 R)
• M30: 35,858,759 km (0.074 R)
• M31: 46,731,981 km (0.116 R)
• M32: 51,160,078 km (0.113 R)
• M33: 53,881,563 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 4.9

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.14 AU - 10.08 AU

Year: 20941 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,918,753 km

• M1: 61,634 km (0.088 R)
• M2: 248,632 km (0.056 R)
• M3: 458,966 km (0.112 R)
• M4: 1,658,292 km (0.091 R)
• M5: 4,618,834 km (0.1 R)
• M6: 8,899,278 km (0.114 R)
• M7: 15,407,085 km (0.085 R)
• M8: 15,778,387 km (0.115 R)
• M9: 20,176,265 km (0.094 R)
• M10: 27,220,679 km (0.063 R)
• M11: 29,775,661 km (0.113 R)
• M12: 33,342,523 km (0.112 R)
• M13: 33,838,739 km (0.097 R)
• M14: 41,310,405 km (0.067 R)
• M15: 43,631,117 km (0.089 R)
• M16: 53,953,669 km (0.059 R)
• M17: 54,294,752 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 16,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit