🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.7

Radius: 8.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 13.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,496,995 km

• M1: 108,309 km (0.111 R)
• M2: 512,822 km (0.086 R)
• M3: 911,649 km (0.069 R)
• M4: 1,262,606 km (0.079 R)
• M5: 1,571,825 km (0.086 R)
• M6: 2,017,626 km (0.116 R)
• M7: 2,693,659 km (0.115 R)
• M8: 3,074,835 km (0.067 R)
• M9: 3,397,218 km (0.101 R)
• M10: 3,797,991 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 11.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.26 AU - 1.42 AU

Year: 1034 Days

Day: 7.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,496,995 km

• M1: 150,645 km (0.061 R)
• M2: 639,680 km (0.116 R)
• M3: 1,106,875 km (0.105 R)
• M4: 1,970,653 km (0.057 R)
• M5: 2,444,280 km (0.059 R)
• M6: 3,470,222 km (0.043 R)
• M7: 3,956,116 km (0.052 R)
• M8: 4,324,426 km (0.103 R)
• M9: 4,746,740 km (0.101 R)
• M10: 5,535,271 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 14.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.78 AU - 1.88 AU

Year: 1651 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,496,995 km

• M1: 180,714 km (0.111 R)
• M2: 927,507 km (0.096 R)
• M3: 1,707,510 km (0.117 R)
• M4: 3,662,904 km (0.103 R)
• M5: 4,807,178 km (0.089 R)
• M6: 5,688,309 km (0.053 R)
• M7: 6,422,985 km (0.06 R)
• M8: 7,355,877 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 9.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.54 AU - 2.16 AU

Year: 1678 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,496,995 km

• M1: 114,442 km (0.07 R)
• M2: 415,882 km (0.04 R)
• M3: 715,527 km (0.066 R)
• M4: 1,123,929 km (0.09 R)
• M5: 2,422,887 km (0.069 R)
• M6: 2,982,084 km (0.079 R)
• M7: 3,350,244 km (0.075 R)
• M8: 3,992,468 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 13.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.15 AU - 3.36 AU

Year: 3041 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,496,995 km

• M1: 171,589 km (0.118 R)
• M2: 675,584 km (0.071 R)
• M3: 1,228,049 km (0.067 R)
• M4: 1,840,503 km (0.113 R)
• M5: 2,544,361 km (0.11 R)
• M6: 3,590,349 km (0.112 R)
• M7: 4,034,206 km (0.111 R)
• M8: 4,779,951 km (0.063 R)
• M9: 6,444,676 km (0.095 R)
• M10: 7,132,378 km (0.104 R)
• M11: 8,717,218 km (0.076 R)
• M12: 13,270,378 km (0.049 R)
• M13: 14,785,356 km (0.103 R)
• M14: 15,794,992 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.6

Radius: 14.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.84 AU - 4.18 AU

Year: 4385 Days

Day: 14 Hours

Environment

Temp: -212 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,496,995 km

• M1: 176,974 km (0.109 R)
• M2: 696,378 km (0.1 R)
• M3: 1,249,890 km (0.113 R)
• M4: 2,347,789 km (0.108 R)
• M5: 2,852,083 km (0.079 R)
• M6: 6,779,925 km (0.091 R)
• M7: 7,369,042 km (0.097 R)
• M8: 7,885,902 km (0.047 R)
• M9: 8,353,246 km (0.057 R)
• M10: 9,265,344 km (0.093 R)
• M11: 10,033,529 km (0.06 R)
• M12: 11,789,808 km (0.087 R)
• M13: 13,794,868 km (0.119 R)
• M14: 15,014,390 km (0.075 R)
• M15: 15,622,655 km (0.117 R)
• M16: 16,132,485 km (0.101 R)
• M17: 16,653,385 km (0.094 R)
• M18: 17,125,815 km (0.084 R)
• M19: 18,221,469 km (0.115 R)
• M20: 18,723,370 km (0.109 R)
• M21: 19,169,920 km (0.097 R)
• M22: 23,222,676 km (0.116 R)
• M23: 24,793,454 km (0.03 R)
• M24: 25,722,307 km (0.089 R)
• M25: 27,485,318 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.8

Radius: 3.6

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.62 AU - 8.66 AU

Year: 12723 Days

Day: 20.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,496,995 km

• M1: 44,730 km (0.112 R)
• M2: 174,282 km (0.116 R)
• M3: 316,848 km (0.086 R)
• M4: 430,094 km (0.066 R)
• M5: 910,153 km (0.082 R)
• M6: 1,225,506 km (0.11 R)
• M7: 1,665,922 km (0.031 R)
• M8: 2,256,833 km (0.109 R)
• M9: 2,912,820 km (0.077 R)
• M10: 3,172,073 km (0.066 R)
• M11: 3,376,424 km (0.12 R)
• M12: 3,589,601 km (0.095 R)
• M13: 4,148,349 km (0.109 R)
• M14: 5,184,314 km (0.095 R)
• M15: 5,862,292 km (0.075 R)
• M16: 6,135,457 km (0.102 R)
• M17: 7,235,899 km (0.069 R)
• M18: 7,352,735 km (0.098 R)
• M19: 9,259,809 km (0.025 R)
• M20: 9,630,213 km (0.106 R)
• M21: 9,771,583 km (0.09 R)
• M22: 12,560,536 km (0.093 R)
• M23: 13,245,096 km (0.107 R)
• M24: 13,715,133 km (0.082 R)
• M25: 17,530,178 km (0.117 R)
• M26: 21,191,286 km (0.102 R)
• M27: 22,489,048 km (0.076 R)
• M28: 22,654,802 km (0.038 R)
• M29: 22,989,004 km (0.073 R)
• M30: 29,778,204 km (0.041 R)
• M31: 30,787,092 km (0.111 R)
• M32: 31,196,990 km (0.112 R)
• M33: 32,872,935 km (0.096 R)
• M34: 36,631,881 km (0.118 R)
• M35: 38,495,870 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.8

Radius: 8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.58 AU - 11.32 AU

Year: 19372 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,496,995 km

• M1: 99,483 km (0.107 R)
• M2: 426,803 km (0.1 R)
• M3: 875,297 km (0.051 R)
• M4: 1,150,557 km (0.113 R)
• M5: 1,415,345 km (0.11 R)
• M6: 1,705,715 km (0.031 R)
• M7: 2,089,134 km (0.087 R)
• M8: 2,938,102 km (0.097 R)
• M9: 3,291,602 km (0.047 R)
• M10: 4,112,595 km (0.111 R)
• M11: 5,196,282 km (0.107 R)
• M12: 5,679,184 km (0.041 R)
• M13: 6,154,008 km (0.103 R)
• M14: 8,094,591 km (0.061 R)
• M15: 11,011,151 km (0.067 R)
• M16: 12,703,552 km (0.073 R)
• M17: 14,696,944 km (0.056 R)
• M18: 26,228,396 km (0.079 R)
• M19: 27,440,438 km (0.119 R)
• M20: 28,795,047 km (0.075 R)
• M21: 29,327,765 km (0.087 R)
• M22: 35,751,049 km (0.076 R)
• M23: 47,640,489 km (0.114 R)
• M24: 50,977,419 km (0.063 R)
• M25: 53,020,627 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 7.2

Gravity: 14.93 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.78 AU - 12.02 AU

Year: 20772 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,496,995 km

• M1: 89,609 km (0.079 R)
• M2: 363,523 km (0.054 R)
• M3: 664,215 km (0.063 R)
• M4: 1,211,892 km (0.08 R)
• M5: 2,152,863 km (0.103 R)
• M6: 2,902,498 km (0.113 R)
• M7: 3,365,952 km (0.112 R)
• M8: 3,846,161 km (0.078 R)
• M9: 4,405,508 km (0.117 R)
• M10: 5,055,510 km (0.114 R)
• M11: 5,324,936 km (0.087 R)
• M12: 6,234,641 km (0.06 R)
• M13: 6,772,595 km (0.064 R)
• M14: 7,737,501 km (0.054 R)
• M15: 10,177,742 km (0.114 R)
• M16: 12,522,389 km (0.047 R)
• M17: 15,444,484 km (0.047 R)
• M18: 16,427,791 km (0.098 R)
• M19: 17,626,968 km (0.07 R)
• M20: 17,980,018 km (0.113 R)
• M21: 20,682,654 km (0.069 R)
• M22: 21,174,531 km (0.104 R)
• M23: 21,573,659 km (0.11 R)
• M24: 26,530,434 km (0.063 R)
• M25: 34,068,970 km (0.057 R)
• M26: 36,296,483 km (0.064 R)
• M27: 41,503,984 km (0.101 R)
• M28: 44,692,513 km (0.062 R)
• M29: 59,081,285 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.7

Radius: 4.1

Gravity: 47.87 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.56 AU - 12.24 AU

Year: 22366 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,496,995 km

• M1: 51,162 km (0.077 R)
• M2: 249,828 km (0.098 R)
• M3: 580,739 km (0.101 R)
• M4: 946,655 km (0.103 R)
• M5: 1,116,599 km (0.1 R)
• M6: 1,337,854 km (0.099 R)
• M7: 1,868,477 km (0.076 R)
• M8: 2,527,905 km (0.117 R)
• M9: 2,910,277 km (0.117 R)
• M10: 3,388,990 km (0.076 R)
• M11: 3,600,821 km (0.055 R)
• M12: 3,853,492 km (0.11 R)
• M13: 4,117,981 km (0.098 R)
• M14: 4,719,962 km (0.092 R)
• M15: 5,625,179 km (0.104 R)
• M16: 5,836,262 km (0.066 R)
• M17: 8,247,630 km (0.09 R)
• M18: 8,631,049 km (0.077 R)
• M19: 9,913,103 km (0.101 R)
• M20: 14,044,697 km (0.108 R)
• M21: 15,642,552 km (0.101 R)
• M22: 16,917,574 km (0.074 R)
• M23: 17,268,980 km (0.109 R)
• M24: 18,260,365 km (0.033 R)
• M25: 18,444,669 km (0.078 R)
• M26: 20,061,074 km (0.109 R)
• M27: 28,572,894 km (0.092 R)
• M28: 29,196,568 km (0.059 R)
• M29: 34,096,197 km (0.098 R)
• M30: 34,797,662 km (0.03 R)
• M31: 35,223,118 km (0.075 R)
• M32: 37,107,004 km (0.046 R)
• M33: 47,020,406 km (0.113 R)
• M34: 59,768,538 km (0.097 R)
• M35: 65,624,696 km (0.093 R)
• M36: 69,360,305 km (0.101 R)
• M37: 80,174,286 km (0.074 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 17,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit