🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 11.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.41 AU - 0.63 AU

Year: 259 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,268,890 km

• M1: 148,251 km (0.118 R)
• M2: 536,009 km (0.074 R)
• M3: 910,901 km (0.066 R)
• M4: 1,294,620 km (0.119 R)
• M5: 1,824,196 km (0.088 R)
• M6: 2,374,717 km (0.096 R)
• M7: 2,808,102 km (0.03 R)
• M8: 3,262,281 km (0.05 R)
• M9: 3,981,099 km (0.09 R)
• M10: 4,437,671 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 9.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.67 AU - 0.77 AU

Year: 422 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,268,890 km

• M1: 118,182 km (0.092 R)
• M2: 562,787 km (0.109 R)
• M3: 896,091 km (0.112 R)
• M4: 1,497,325 km (0.095 R)
• M5: 1,892,114 km (0.114 R)
• M6: 2,273,588 km (0.093 R)
• M7: 2,706,076 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.3

Radius: 13.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.72 AU - 1.76 AU

Year: 1584 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,268,890 km

• M1: 169,195 km (0.112 R)
• M2: 689,048 km (0.112 R)
• M3: 1,514,230 km (0.101 R)
• M4: 2,099,756 km (0.101 R)
• M5: 2,806,606 km (0.118 R)
• M6: 3,769,866 km (0.074 R)
• M7: 5,391,657 km (0.09 R)
• M8: 6,248,853 km (0.068 R)
• M9: 6,672,364 km (0.077 R)
• M10: 7,830,252 km (0.099 R)
• M11: 8,775,710 km (0.047 R)
• M12: 10,300,861 km (0.102 R)
• M13: 11,546,712 km (0.088 R)
• M14: 12,225,288 km (0.086 R)
• M15: 14,551,684 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 9.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.41 AU - 3.41 AU

Year: 4347 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,268,890 km

• M1: 125,662 km (0.032 R)
• M2: 785,538 km (0.114 R)
• M3: 2,060,411 km (0.099 R)
• M4: 2,425,580 km (0.1 R)
• M5: 2,882,003 km (0.108 R)
• M6: 3,413,225 km (0.104 R)
• M7: 3,968,084 km (0.086 R)
• M8: 7,752,760 km (0.104 R)
• M9: 8,473,822 km (0.081 R)
• M10: 9,786,543 km (0.11 R)
• M11: 11,311,993 km (0.047 R)
• M12: 15,834,935 km (0.091 R)
• M13: 16,250,218 km (0.104 R)
• M14: 16,726,089 km (0.038 R)
• M15: 19,012,693 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.8

Radius: 13.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.22 AU - 3.86 AU

Year: 4597 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,268,890 km

• M1: 168,597 km (0.099 R)
• M2: 604,226 km (0.105 R)
• M3: 1,509,293 km (0.086 R)
• M4: 1,923,978 km (0.046 R)
• M5: 2,814,385 km (0.11 R)
• M6: 3,835,839 km (0.075 R)
• M7: 4,707,097 km (0.104 R)
• M8: 6,551,340 km (0.099 R)
• M9: 7,392,977 km (0.113 R)
• M10: 8,428,643 km (0.086 R)
• M11: 8,997,863 km (0.108 R)
• M12: 9,558,706 km (0.096 R)
• M13: 11,650,533 km (0.09 R)
• M14: 12,885,912 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.2

Radius: 5.6

Gravity: 25.48 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.83 AU - 7.69 AU

Year: 13503 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,268,890 km

• M1: 71,209 km (0.097 R)
• M2: 1,031,777 km (0.119 R)
• M3: 1,228,498 km (0.085 R)
• M4: 1,480,121 km (0.094 R)
• M5: 1,765,704 km (0.105 R)
• M6: 3,529,014 km (0.094 R)
• M7: 4,664,312 km (0.031 R)
• M8: 6,627,186 km (0.089 R)
• M9: 6,836,922 km (0.115 R)
• M10: 8,382,717 km (0.118 R)
• M11: 8,777,655 km (0.101 R)
• M12: 9,288,831 km (0.097 R)
• M13: 10,539,469 km (0.037 R)
• M14: 11,593,386 km (0.094 R)
• M15: 16,135,776 km (0.117 R)
• M16: 24,920,462 km (0.051 R)
• M17: 26,255,174 km (0.087 R)
• M18: 30,776,022 km (0.109 R)
• M19: 39,509,097 km (0.055 R)
• M20: 44,214,249 km (0.081 R)
• M21: 50,563,183 km (0.079 R)
• M22: 54,038,640 km (0.036 R)
• M23: 58,557,992 km (0.114 R)
• M24: 60,361,095 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.4

Radius: 6.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.08 AU - 12.3 AU

Year: 22453 Days

Day: 17.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,268,890 km

• M1: 92,900 km (0.119 R)
• M2: 492,177 km (0.079 R)
• M3: 860,786 km (0.112 R)
• M4: 1,144,723 km (0.097 R)
• M5: 1,849,778 km (0.116 R)
• M6: 2,812,141 km (0.057 R)
• M7: 3,952,376 km (0.099 R)
• M8: 8,165,800 km (0.062 R)
• M9: 8,811,763 km (0.114 R)
• M10: 9,017,311 km (0.084 R)
• M11: 9,545,092 km (0.096 R)
• M12: 10,720,183 km (0.052 R)
• M13: 11,132,475 km (0.088 R)
• M14: 13,969,898 km (0.115 R)
• M15: 14,320,107 km (0.083 R)
• M16: 14,676,150 km (0.117 R)
• M17: 20,033,848 km (0.095 R)
• M18: 20,389,741 km (0.101 R)
• M19: 23,983,082 km (0.059 R)
• M20: 25,200,061 km (0.118 R)
• M21: 33,006,526 km (0.115 R)
• M22: 36,718,797 km (0.092 R)
• M23: 48,382,943 km (0.11 R)
• M24: 53,155,265 km (0.059 R)
• M25: 54,524,983 km (0.1 R)
• M26: 56,269,893 km (0.067 R)
• M27: 59,321,240 km (0.028 R)
• M28: 60,239,173 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.9

Radius: 3.1

Gravity: 54.52 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.25 AU - 12.43 AU

Year: 22950 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,268,890 km

• M1: 69,413 km (0.049 R)
• M2: 266,135 km (0.111 R)
• M3: 685,757 km (0.036 R)
• M4: 966,103 km (0.093 R)
• M5: 1,623,885 km (0.062 R)
• M6: 1,748,051 km (0.081 R)
• M7: 1,859,502 km (0.082 R)
• M8: 2,679,597 km (0.1 R)
• M9: 3,477,851 km (0.114 R)
• M10: 3,745,482 km (0.098 R)
• M11: 4,090,754 km (0.112 R)
• M12: 4,188,591 km (0.098 R)
• M13: 4,525,784 km (0.062 R)
• M14: 5,566,088 km (0.106 R)
• M15: 7,506,971 km (0.089 R)
• M16: 10,511,644 km (0.1 R)
• M17: 11,069,345 km (0.055 R)
• M18: 12,175,920 km (0.109 R)
• M19: 12,446,692 km (0.099 R)
• M20: 13,070,366 km (0.061 R)
• M21: 15,854,382 km (0.094 R)
• M22: 18,206,360 km (0.086 R)
• M23: 19,742,132 km (0.109 R)
• M24: 21,460,114 km (0.085 R)
• M25: 30,679,083 km (0.106 R)
• M26: 51,810,530 km (0.047 R)
• M27: 62,950,934 km (0.11 R)
• M28: 63,556,506 km (0.107 R)
• M29: 64,984,567 km (0.082 R)
• M30: 72,005,794 km (0.129 R)
• M31: 75,584,923 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 15,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit