🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637

Radius: 8.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.51 AU - 0.61 AU

Year: 284 Days

Day: 6.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 169 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,803,377 km

• M1: 108,458 km (0.09 R)
• M2: 425,307 km (0.079 R)
• M3: 733,628 km (0.108 R)
• M4: 1,462,020 km (0.089 R)
• M5: 2,101,551 km (0.116 R)
• M6: 2,383,244 km (0.12 R)
• M7: 3,083,661 km (0.052 R)
• M8: 3,603,813 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 8.1

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.74 AU - 0.82 AU

Year: 467 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,803,377 km

• M1: 100,829 km (0.081 R)
• M2: 439,967 km (0.108 R)
• M3: 723,455 km (0.086 R)
• M4: 1,010,384 km (0.108 R)
• M5: 1,562,101 km (0.12 R)
• M6: 1,848,431 km (0.066 R)
• M7: 2,225,568 km (0.058 R)
• M8: 2,518,480 km (0.079 R)
• M9: 2,983,430 km (0.117 R)
• M10: 3,403,202 km (0.094 R)
• M11: 4,042,583 km (0.115 R)
• M12: 4,450,985 km (0.089 R)
• M13: 4,935,084 km (0.067 R)
• M14: 5,419,332 km (0.099 R)
• M15: 6,120,049 km (0.11 R)
• M16: 6,639,602 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 8.8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.73 AU - 0.91 AU

Year: 504 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,803,377 km

• M1: 111,151 km (0.103 R)
• M2: 412,441 km (0.08 R)
• M3: 876,943 km (0.114 R)
• M4: 1,203,066 km (0.11 R)
• M5: 1,859,202 km (0.106 R)
• M6: 2,474,947 km (0.117 R)
• M7: 3,386,447 km (0.118 R)
• M8: 3,852,744 km (0.084 R)
• M9: 4,991,931 km (0.082 R)
• M10: 5,855,709 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.81 AU - 1.31 AU

Year: 740 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,803,377 km

• M1: 171,738 km (0.097 R)
• M2: 763,099 km (0.045 R)
• M3: 1,214,585 km (0.116 R)
• M4: 1,838,259 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 9.5

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.19 AU - 2.83 AU

Year: 2697 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 134.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,803,377 km

• M1: 118,182 km (0.047 R)
• M2: 467,344 km (0.118 R)
• M3: 955,033 km (0.119 R)
• M4: 1,459,626 km (0.051 R)
• M5: 2,530,149 km (0.116 R)
• M6: 2,989,564 km (0.06 R)
• M7: 4,905,763 km (0.052 R)
• M8: 5,478,872 km (0.111 R)
• M9: 6,172,857 km (0.08 R)
• M10: 7,008,511 km (0.077 R)
• M11: 8,009,620 km (0.082 R)
• M12: 8,969,739 km (0.094 R)
• M13: 9,306,184 km (0.111 R)
• M14: 9,756,324 km (0.116 R)
• M15: 10,514,038 km (0.08 R)
• M16: 11,040,622 km (0.118 R)
• M17: 11,903,652 km (0.116 R)
• M18: 13,586,778 km (0.053 R)
• M19: 14,809,142 km (0.119 R)
• M20: 16,152,680 km (0.105 R)
• M21: 16,803,282 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 13

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.11 AU - 3.77 AU

Year: 4327 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,803,377 km

• M1: 161,865 km (0.117 R)
• M2: 807,230 km (0.047 R)
• M3: 1,891,366 km (0.097 R)
• M4: 2,826,801 km (0.069 R)
• M5: 3,560,280 km (0.105 R)
• M6: 4,050,063 km (0.102 R)
• M7: 4,732,080 km (0.096 R)
• M8: 7,213,161 km (0.12 R)
• M9: 8,109,551 km (0.092 R)
• M10: 8,659,473 km (0.1 R)
• M11: 9,957,683 km (0.038 R)
• M12: 10,936,652 km (0.098 R)
• M13: 14,155,250 km (0.092 R)
• M14: 15,063,010 km (0.09 R)
• M15: 16,065,914 km (0.072 R)
• M16: 18,391,413 km (0.114 R)
• M17: 20,662,308 km (0.092 R)
• M18: 21,206,545 km (0.12 R)
• M19: 22,323,742 km (0.105 R)
• M20: 22,896,852 km (0.108 R)
• M21: 26,544,347 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.4

Radius: 7.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.71 AU - 7.63 AU

Year: 10395 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,803,377 km

• M1: 94,546 km (0.084 R)
• M2: 450,290 km (0.037 R)
• M3: 891,603 km (0.105 R)
• M4: 1,364,781 km (0.058 R)
• M5: 1,904,530 km (0.109 R)
• M6: 2,199,089 km (0.115 R)
• M7: 3,238,196 km (0.066 R)
• M8: 4,532,367 km (0.088 R)
• M9: 5,582,993 km (0.073 R)
• M10: 7,652,230 km (0.117 R)
• M11: 11,354,478 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.8

Radius: 3.5

Gravity: 44.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.48 AU - 7.14 AU

Year: 10751 Days

Day: 18.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,803,377 km

• M1: 43,832 km (0.066 R)
• M2: 160,668 km (0.094 R)
• M3: 410,497 km (0.059 R)
• M4: 703,409 km (0.092 R)
• M5: 824,733 km (0.064 R)
• M6: 1,275,771 km (0.077 R)
• M7: 2,022,862 km (0.064 R)
• M8: 2,891,428 km (0.044 R)
• M9: 4,258,303 km (0.111 R)
• M10: 5,065,234 km (0.062 R)
• M11: 5,588,827 km (0.099 R)
• M12: 5,828,931 km (0.118 R)
• M13: 11,194,409 km (0.038 R)
• M14: 11,411,176 km (0.078 R)
• M15: 14,047,689 km (0.092 R)
• M16: 17,568,026 km (0.07 R)
• M17: 20,402,606 km (0.118 R)
• M18: 21,383,669 km (0.062 R)
• M19: 23,439,144 km (0.061 R)
• M20: 30,283,845 km (0.085 R)
• M21: 35,479,678 km (0.085 R)
• M22: 37,134,829 km (0.102 R)
• M23: 40,091,033 km (0.111 R)
• M24: 42,802,943 km (0.091 R)
• M25: 43,733,442 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 3.8

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.88 AU - 7.16 AU

Year: 12615 Days

Day: 21.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 92.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,803,377 km

• M1: 47,273 km (0.1 R)
• M2: 169,644 km (0.033 R)
• M3: 888,761 km (0.071 R)
• M4: 2,338,215 km (0.061 R)
• M5: 3,081,118 km (0.063 R)
• M6: 4,805,383 km (0.096 R)
• M7: 6,198,887 km (0.078 R)
• M8: 7,160,801 km (0.105 R)
• M9: 9,328,774 km (0.092 R)
• M10: 15,029,051 km (0.102 R)
• M11: 15,939,504 km (0.104 R)
• M12: 17,941,123 km (0.119 R)
• M13: 30,189,000 km (0.11 R)
• M14: 32,373,428 km (0.087 R)
• M15: 41,032,602 km (0.076 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: 457 - 13,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit