🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 9.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,602,612 km

• M1: 116,836 km (0.113 R)
• M2: 551,418 km (0.061 R)
• M3: 1,077,853 km (0.107 R)
• M4: 2,482,427 km (0.1 R)
• M5: 3,354,583 km (0.094 R)
• M6: 4,254,115 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 11.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.63 AU - 0.77 AU

Year: 391 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 78.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,602,612 km

• M1: 153,787 km (0.064 R)
• M2: 603,029 km (0.08 R)
• M3: 1,034,768 km (0.088 R)
• M4: 1,763,310 km (0.073 R)
• M5: 3,097,274 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.4

Radius: 11.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.91 AU - 0.95 AU

Year: 598 Days

Day: 6.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,602,612 km

• M1: 164,558 km (0.115 R)
• M2: 817,253 km (0.101 R)
• M3: 1,626,877 km (0.096 R)
• M4: 2,123,243 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 13.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.95 AU - 0.97 AU

Year: 627 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,602,612 km

• M1: 166,802 km (0.086 R)
• M2: 662,120 km (0.086 R)
• M3: 1,112,709 km (0.083 R)
• M4: 1,536,071 km (0.095 R)
• M5: 2,078,363 km (0.118 R)
• M6: 2,623,498 km (0.051 R)
• M7: 3,065,709 km (0.108 R)
• M8: 3,937,715 km (0.063 R)
• M9: 4,388,753 km (0.058 R)
• M10: 4,953,335 km (0.059 R)
• M11: 5,936,193 km (0.114 R)
• M12: 6,667,427 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 11.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.85 AU - 1.37 AU

Year: 780 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,602,612 km

• M1: 144,212 km (0.063 R)
• M2: 598,242 km (0.102 R)
• M3: 1,436,289 km (0.115 R)
• M4: 1,798,765 km (0.112 R)
• M5: 2,302,311 km (0.063 R)
• M6: 2,863,752 km (0.076 R)
• M7: 3,963,147 km (0.115 R)
• M8: 5,432,946 km (0.108 R)
• M9: 6,054,226 km (0.12 R)
• M10: 6,722,330 km (0.117 R)
• M11: 7,260,583 km (0.074 R)
• M12: 7,642,955 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 12.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.27 AU - 2.57 AU

Year: 2510 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,602,612 km

• M1: 150,495 km (0.088 R)
• M2: 597,344 km (0.114 R)
• M3: 1,008,290 km (0.094 R)
• M4: 1,472,791 km (0.075 R)
• M5: 2,131,620 km (0.041 R)
• M6: 2,545,109 km (0.116 R)
• M7: 4,246,336 km (0.112 R)
• M8: 4,931,344 km (0.103 R)
• M9: 6,354,768 km (0.113 R)
• M10: 9,442,767 km (0.113 R)
• M11: 9,996,429 km (0.071 R)
• M12: 12,827,718 km (0.112 R)
• M13: 13,278,157 km (0.116 R)
• M14: 14,742,571 km (0.104 R)
• M15: 16,894,836 km (0.092 R)
• M16: 17,272,869 km (0.111 R)
• M17: 17,711,939 km (0.072 R)
• M18: 18,271,136 km (0.119 R)
• M19: 18,957,790 km (0.058 R)
• M20: 19,602,108 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 9.5

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.82 AU - 4.26 AU

Year: 5415 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,602,612 km

• M1: 118,182 km (0.047 R)
• M2: 924,964 km (0.06 R)
• M3: 1,808,638 km (0.12 R)
• M4: 2,215,544 km (0.099 R)
• M5: 2,614,821 km (0.102 R)
• M6: 3,254,502 km (0.05 R)
• M7: 3,622,363 km (0.116 R)
• M8: 4,086,565 km (0.1 R)
• M9: 5,663,476 km (0.118 R)
• M10: 6,046,148 km (0.051 R)
• M11: 7,230,663 km (0.114 R)
• M12: 8,678,172 km (0.112 R)
• M13: 9,552,123 km (0.094 R)
• M14: 10,396,454 km (0.105 R)
• M15: 11,289,703 km (0.097 R)
• M16: 11,992,663 km (0.101 R)
• M17: 12,526,428 km (0.1 R)
• M18: 12,874,243 km (0.103 R)
• M19: 13,903,925 km (0.115 R)
• M20: 15,664,243 km (0.06 R)
• M21: 16,010,114 km (0.068 R)
• M22: 16,538,493 km (0.039 R)
• M23: 18,511,839 km (0.092 R)
• M24: 18,833,774 km (0.088 R)
• M25: 20,294,896 km (0.109 R)
• M26: 20,775,255 km (0.069 R)
• M27: 21,545,534 km (0.085 R)
• M28: 26,004,897 km (0.071 R)
• M29: 27,395,858 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 11.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.11 AU - 4.19 AU

Year: 5638 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,602,612 km

• M1: 144,362 km (0.079 R)
• M2: 843,134 km (0.069 R)
• M3: 1,205,011 km (0.114 R)
• M4: 1,885,232 km (0.044 R)
• M5: 2,349,435 km (0.096 R)
• M6: 3,288,610 km (0.12 R)
• M7: 5,682,774 km (0.106 R)
• M8: 7,748,871 km (0.115 R)
• M9: 8,114,039 km (0.114 R)
• M10: 10,234,439 km (0.056 R)
• M11: 11,896,771 km (0.04 R)
• M12: 12,339,132 km (0.072 R)
• M13: 13,069,768 km (0.07 R)
• M14: 13,493,279 km (0.119 R)
• M15: 14,617,358 km (0.108 R)
• M16: 18,481,770 km (0.042 R)
• M17: 20,427,589 km (0.092 R)
• M18: 21,320,389 km (0.072 R)
• M19: 22,439,232 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.8

Radius: 7.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.87 AU - 7.53 AU

Year: 12883 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,602,612 km

• M1: 90,806 km (0.105 R)
• M2: 502,499 km (0.034 R)
• M3: 1,264,700 km (0.115 R)
• M4: 1,877,453 km (0.105 R)
• M5: 2,818,873 km (0.1 R)
• M6: 3,351,591 km (0.119 R)
• M7: 3,949,384 km (0.105 R)
• M8: 5,072,864 km (0.078 R)
• M9: 5,355,454 km (0.064 R)
• M10: 5,952,050 km (0.045 R)
• M11: 7,067,153 km (0.089 R)
• M12: 8,668,748 km (0.085 R)
• M13: 13,622,831 km (0.111 R)
• M14: 15,483,828 km (0.111 R)
• M15: 15,720,343 km (0.06 R)
• M16: 16,079,677 km (0.115 R)
• M17: 17,317,150 km (0.104 R)
• M18: 19,564,410 km (0.107 R)
• M19: 21,629,010 km (0.101 R)
• M20: 23,521,872 km (0.051 R)
• M21: 25,687,151 km (0.105 R)
• M22: 26,945,868 km (0.09 R)
• M23: 28,598,625 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.1

Radius: 3.9

Gravity: 22.43 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.59 AU - 10.49 AU

Year: 19650 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,602,612 km

• M1: 53,855 km (0.058 R)
• M2: 341,083 km (0.093 R)
• M3: 682,615 km (0.057 R)
• M4: 924,365 km (0.11 R)
• M5: 1,047,634 km (0.088 R)
• M6: 1,233,734 km (0.12 R)
• M7: 1,640,490 km (0.039 R)
• M8: 1,981,723 km (0.12 R)
• M9: 2,287,501 km (0.103 R)
• M10: 2,601,956 km (0.088 R)
• M11: 2,735,397 km (0.037 R)
• M12: 3,264,974 km (0.104 R)
• M13: 3,774,803 km (0.101 R)
• M14: 4,152,986 km (0.081 R)
• M15: 4,750,480 km (0.094 R)
• M16: 8,715,572 km (0.067 R)
• M17: 11,019,529 km (0.057 R)
• M18: 11,788,911 km (0.113 R)
• M19: 12,847,914 km (0.09 R)
• M20: 17,170,096 km (0.059 R)
• M21: 18,364,186 km (0.06 R)
• M22: 19,868,841 km (0.029 R)
• M23: 22,000,312 km (0.118 R)
• M24: 24,574,741 km (0.116 R)
• M25: 26,502,160 km (0.111 R)
• M26: 26,710,700 km (0.073 R)
• M27: 28,093,134 km (0.104 R)
• M28: 28,856,980 km (0.111 R)
• M29: 32,764,776 km (0.07 R)
• M30: 34,100,835 km (0.034 R)
• M31: 36,880,961 km (0.075 R)
• M32: 40,494,797 km (0.097 R)
• M33: 42,174,033 km (0.037 R)
• M34: 42,743,852 km (0.072 R)
• M35: 44,631,478 km (0.107 R)
• M36: 45,670,584 km (0.111 R)
• M37: 52,082,349 km (0.095 R)
• M38: 54,066,466 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 18,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit