🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 14

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.7 AU - 1.12 AU

Year: 569 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,884,388 km

• M1: 178,021 km (0.089 R)
• M2: 692,638 km (0.104 R)
• M3: 1,208,601 km (0.118 R)
• M4: 1,878,800 km (0.088 R)
• M5: 2,476,892 km (0.108 R)
• M6: 2,933,315 km (0.093 R)
• M7: 4,248,879 km (0.089 R)
• M8: 4,781,746 km (0.063 R)
• M9: 6,019,818 km (0.115 R)
• M10: 6,496,736 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.5

Radius: 8.9

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.06 AU - 1.4 AU

Year: 895 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,884,388 km

• M1: 113,694 km (0.119 R)
• M2: 592,258 km (0.081 R)
• M3: 1,134,101 km (0.096 R)
• M4: 1,436,588 km (0.102 R)
• M5: 2,117,109 km (0.052 R)
• M6: 2,548,101 km (0.096 R)
• M7: 2,883,798 km (0.057 R)
• M8: 3,303,719 km (0.111 R)
• M9: 3,854,988 km (0.075 R)
• M10: 4,848,766 km (0.078 R)
• M11: 5,272,128 km (0.119 R)
• M12: 6,066,942 km (0.112 R)
• M13: 6,871,180 km (0.111 R)
• M14: 7,843,416 km (0.116 R)
• M15: 8,532,165 km (0.048 R)
• M16: 8,986,045 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.1

Radius: 14.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.03 AU - 1.59 AU

Year: 984 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,884,388 km

• M1: 185,352 km (0.076 R)
• M2: 650,452 km (0.111 R)
• M3: 2,844,753 km (0.119 R)
• M4: 3,644,803 km (0.103 R)
• M5: 4,608,662 km (0.093 R)
• M6: 5,453,740 km (0.06 R)
• M7: 6,715,897 km (0.101 R)
• M8: 7,379,513 km (0.099 R)
• M9: 8,755,814 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.3

Radius: 9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.45 AU - 1.57 AU

Year: 1217 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,884,388 km

• M1: 112,049 km (0.114 R)
• M2: 505,491 km (0.04 R)
• M3: 805,585 km (0.117 R)
• M4: 1,279,511 km (0.078 R)
• M5: 1,600,099 km (0.101 R)
• M6: 1,974,692 km (0.083 R)
• M7: 2,259,676 km (0.119 R)
• M8: 2,582,807 km (0.118 R)
• M9: 2,879,460 km (0.062 R)
• M10: 3,784,527 km (0.108 R)
• M11: 4,333,102 km (0.099 R)
• M12: 4,658,478 km (0.071 R)
• M13: 5,788,989 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 12.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.24 AU - 1.88 AU

Year: 1278 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,884,388 km

• M1: 157,975 km (0.063 R)
• M2: 616,642 km (0.038 R)
• M3: 1,182,422 km (0.1 R)
• M4: 1,801,009 km (0.117 R)
• M5: 2,590,736 km (0.071 R)
• M6: 3,458,852 km (0.103 R)
• M7: 4,168,694 km (0.065 R)
• M8: 5,093,957 km (0.113 R)
• M9: 6,479,084 km (0.093 R)
• M10: 7,773,704 km (0.102 R)
• M11: 8,554,156 km (0.097 R)
• M12: 10,109,525 km (0.075 R)
• M13: 11,631,982 km (0.088 R)
• M14: 12,062,675 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 13.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.62 AU - 2.64 AU

Year: 2039 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,884,388 km

• M1: 170,990 km (0.094 R)
• M2: 638,484 km (0.088 R)
• M3: 1,247,945 km (0.087 R)
• M4: 2,083,001 km (0.03 R)
• M5: 2,627,238 km (0.107 R)
• M6: 3,170,876 km (0.103 R)
• M7: 4,329,512 km (0.077 R)
• M8: 5,270,034 km (0.103 R)
• M9: 6,018,622 km (0.087 R)
• M10: 7,052,941 km (0.058 R)
• M11: 8,950,441 km (0.095 R)
• M12: 10,052,229 km (0.117 R)
• M13: 10,654,211 km (0.088 R)
• M14: 11,659,658 km (0.092 R)
• M15: 12,205,541 km (0.075 R)
• M16: 12,768,328 km (0.082 R)
• M17: 13,644,971 km (0.105 R)
• M18: 14,251,441 km (0.032 R)
• M19: 15,286,808 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 8.5

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.94 AU - 2.52 AU

Year: 2185 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,884,388 km

• M1: 105,766 km (0.085 R)
• M2: 378,931 km (0.035 R)
• M3: 880,982 km (0.106 R)
• M4: 1,146,668 km (0.106 R)
• M5: 1,586,635 km (0.057 R)
• M6: 1,867,879 km (0.113 R)
• M7: 2,242,771 km (0.065 R)
• M8: 2,520,126 km (0.097 R)
• M9: 3,428,484 km (0.116 R)
• M10: 3,695,067 km (0.073 R)
• M11: 4,084,321 km (0.091 R)
• M12: 5,092,910 km (0.119 R)
• M13: 5,575,961 km (0.116 R)
• M14: 7,455,359 km (0.11 R)
• M15: 7,962,646 km (0.063 R)
• M16: 8,553,258 km (0.102 R)
• M17: 9,015,067 km (0.054 R)
• M18: 9,788,338 km (0.085 R)
• M19: 10,191,355 km (0.082 R)
• M20: 10,887,434 km (0.057 R)
• M21: 11,466,826 km (0.111 R)
• M22: 11,801,776 km (0.115 R)
• M23: 12,335,541 km (0.073 R)
• M24: 14,203,719 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 13.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.66 AU - 2.96 AU

Year: 3090 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,884,388 km

• M1: 164,109 km (0.097 R)
• M2: 665,711 km (0.065 R)
• M3: 1,266,944 km (0.083 R)
• M4: 1,741,768 km (0.088 R)
• M5: 2,610,632 km (0.078 R)
• M6: 4,801,493 km (0.108 R)
• M7: 5,982,120 km (0.116 R)
• M8: 6,656,208 km (0.096 R)
• M9: 8,655,134 km (0.116 R)
• M10: 9,136,391 km (0.036 R)
• M11: 9,557,509 km (0.108 R)
• M12: 10,397,501 km (0.058 R)
• M13: 11,461,291 km (0.081 R)
• M14: 13,954,789 km (0.09 R)
• M15: 14,566,195 km (0.08 R)
• M16: 15,195,254 km (0.1 R)
• M17: 16,117,525 km (0.082 R)
• M18: 19,171,117 km (0.087 R)
• M19: 22,660,786 km (0.104 R)
• M20: 23,151,467 km (0.085 R)
• M21: 24,153,773 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 12.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.28 AU - 6.7 AU

Year: 8439 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,884,388 km

• M1: 158,275 km (0.051 R)
• M2: 836,551 km (0.102 R)
• M3: 1,337,555 km (0.104 R)
• M4: 1,899,295 km (0.065 R)
• M5: 2,712,359 km (0.057 R)
• M6: 3,745,781 km (0.048 R)
• M7: 4,258,752 km (0.1 R)
• M8: 5,177,582 km (0.102 R)
• M9: 7,022,722 km (0.109 R)
• M10: 8,604,421 km (0.111 R)
• M11: 9,878,396 km (0.107 R)
• M12: 10,862,900 km (0.043 R)
• M13: 14,394,008 km (0.093 R)
• M14: 14,954,252 km (0.048 R)
• M15: 16,251,415 km (0.043 R)
• M16: 17,905,519 km (0.08 R)
• M17: 19,068,941 km (0.046 R)
• M18: 20,359,672 km (0.109 R)
• M19: 21,870,162 km (0.083 R)
• M20: 22,528,093 km (0.034 R)
• M21: 25,202,903 km (0.117 R)
• M22: 26,109,167 km (0.084 R)
• M23: 27,890,728 km (0.066 R)
• M24: 29,852,255 km (0.099 R)
• M25: 35,155,948 km (0.091 R)
• M26: 35,718,586 km (0.081 R)
• M27: 37,794,107 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.7

Radius: 3.1

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.43 AU - 7.79 AU

Year: 11148 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,884,388 km

• M1: 38,596 km (0.09 R)
• M2: 155,133 km (0.117 R)
• M3: 1,440,478 km (0.104 R)
• M4: 1,910,514 km (0.091 R)
• M5: 2,046,200 km (0.059 R)
• M6: 2,188,467 km (0.105 R)
• M7: 2,636,812 km (0.057 R)
• M8: 3,419,658 km (0.104 R)
• M9: 3,665,896 km (0.064 R)
• M10: 4,770,078 km (0.059 R)
• M11: 5,048,928 km (0.086 R)
• M12: 5,982,419 km (0.086 R)
• M13: 6,989,811 km (0.112 R)
• M14: 8,066,018 km (0.108 R)
• M15: 8,704,651 km (0.063 R)
• M16: 9,813,321 km (0.057 R)
• M17: 12,255,058 km (0.035 R)
• M18: 12,989,882 km (0.109 R)
• M19: 15,793,197 km (0.056 R)
• M20: 17,302,789 km (0.109 R)
• M21: 20,459,454 km (0.099 R)
• M22: 24,959,657 km (0.077 R)
• M23: 25,375,988 km (0.118 R)
• M24: 25,796,806 km (0.098 R)
• M25: 26,652,506 km (0.039 R)
• M26: 29,610,505 km (0.118 R)
• M27: 33,580,683 km (0.106 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 19,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit