🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 14.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 67,546,123 km

• M1: 184,005 km (0.054 R)
• M2: 704,606 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 9.4

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.56 AU - 0.92 AU

Year: 424 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,546,123 km

• M1: 116,836 km (0.051 R)
• M2: 428,149 km (0.096 R)
• M3: 734,825 km (0.12 R)
• M4: 1,190,350 km (0.073 R)
• M5: 1,696,589 km (0.031 R)
• M6: 2,369,630 km (0.111 R)
• M7: 2,741,680 km (0.086 R)
• M8: 3,060,174 km (0.078 R)
• M9: 3,694,170 km (0.116 R)
• M10: 4,398,477 km (0.072 R)
• M11: 5,173,394 km (0.096 R)
• M12: 5,542,003 km (0.092 R)
• M13: 6,369,728 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 10.5

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.2 AU - 1.24 AU

Year: 899 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,546,123 km

• M1: 130,599 km (0.115 R)
• M2: 634,893 km (0.062 R)
• M3: 1,005,597 km (0.047 R)
• M4: 1,484,011 km (0.105 R)
• M5: 1,828,086 km (0.076 R)
• M6: 2,446,374 km (0.093 R)
• M7: 2,830,242 km (0.092 R)
• M8: 3,185,387 km (0.101 R)
• M9: 3,645,102 km (0.113 R)
• M10: 4,383,367 km (0.081 R)
• M11: 5,572,820 km (0.042 R)
• M12: 6,440,637 km (0.099 R)
• M13: 8,363,718 km (0.088 R)
• M14: 9,299,004 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.9

Radius: 8

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.16 AU - 1.82 AU

Year: 1213 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,546,123 km

• M1: 99,931 km (0.109 R)
• M2: 446,250 km (0.059 R)
• M3: 847,771 km (0.116 R)
• M4: 1,232,238 km (0.062 R)
• M5: 1,504,356 km (0.033 R)
• M6: 2,063,403 km (0.073 R)
• M7: 3,621,465 km (0.094 R)
• M8: 5,862,890 km (0.109 R)
• M9: 9,801,054 km (0.062 R)
• M10: 10,115,808 km (0.1 R)
• M11: 10,798,423 km (0.105 R)
• M12: 11,407,735 km (0.111 R)
• M13: 11,861,914 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 10.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.88 AU - 2.72 AU

Year: 2326 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,546,123 km

• M1: 133,142 km (0.119 R)
• M2: 504,294 km (0.086 R)
• M3: 918,980 km (0.106 R)
• M4: 1,488,200 km (0.111 R)
• M5: 2,345,096 km (0.077 R)
• M6: 2,795,685 km (0.098 R)
• M7: 3,352,638 km (0.081 R)
• M8: 4,484,795 km (0.11 R)
• M9: 5,952,350 km (0.098 R)
• M10: 7,717,605 km (0.072 R)
• M11: 8,594,398 km (0.105 R)
• M12: 9,435,736 km (0.095 R)
• M13: 10,983,476 km (0.045 R)
• M14: 13,106,120 km (0.034 R)
• M15: 13,570,023 km (0.058 R)
• M16: 14,441,430 km (0.058 R)
• M17: 14,936,300 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.5

Radius: 13.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.08 AU - 3.02 AU

Year: 2715 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,546,123 km

• M1: 167,849 km (0.049 R)
• M2: 653,743 km (0.067 R)
• M3: 1,135,448 km (0.12 R)
• M4: 1,818,213 km (0.12 R)
• M5: 3,004,224 km (0.117 R)
• M6: 3,441,948 km (0.115 R)
• M7: 4,447,993 km (0.099 R)
• M8: 4,976,224 km (0.107 R)
• M9: 5,405,569 km (0.117 R)
• M10: 5,835,215 km (0.075 R)
• M11: 6,470,108 km (0.092 R)
• M12: 7,728,974 km (0.05 R)
• M13: 8,183,153 km (0.086 R)
• M14: 9,279,107 km (0.111 R)
• M15: 9,792,677 km (0.11 R)
• M16: 10,217,235 km (0.098 R)
• M17: 11,217,746 km (0.11 R)
• M18: 12,445,944 km (0.082 R)
• M19: 16,174,821 km (0.09 R)
• M20: 17,072,259 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 9.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.61 AU - 2.91 AU

Year: 3058 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,546,123 km

• M1: 117,734 km (0.068 R)
• M2: 448,943 km (0.119 R)
• M3: 913,445 km (0.075 R)
• M4: 1,237,773 km (0.073 R)
• M5: 1,544,598 km (0.099 R)
• M6: 2,515,787 km (0.08 R)
• M7: 3,016,043 km (0.082 R)
• M8: 3,949,683 km (0.106 R)
• M9: 4,582,482 km (0.115 R)
• M10: 4,923,565 km (0.078 R)
• M11: 5,232,784 km (0.12 R)
• M12: 6,861,755 km (0.058 R)
• M13: 7,157,959 km (0.11 R)
• M14: 9,261,455 km (0.119 R)
• M15: 9,697,383 km (0.111 R)
• M16: 12,214,816 km (0.101 R)
• M17: 13,880,738 km (0.032 R)
• M18: 15,439,398 km (0.08 R)
• M19: 15,744,129 km (0.115 R)
• M20: 17,057,448 km (0.101 R)
• M21: 17,879,638 km (0.082 R)
• M22: 18,272,183 km (0.053 R)
• M23: 19,484,823 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 13.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.81 AU - 4.45 AU

Year: 5597 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,546,123 km

• M1: 173,982 km (0.101 R)
• M2: 598,541 km (0.043 R)
• M3: 1,327,831 km (0.094 R)
• M4: 1,982,471 km (0.088 R)
• M5: 3,038,632 km (0.108 R)
• M6: 3,807,864 km (0.076 R)
• M7: 4,364,967 km (0.092 R)
• M8: 4,838,594 km (0.057 R)
• M9: 5,735,433 km (0.096 R)
• M10: 7,783,577 km (0.049 R)
• M11: 8,403,810 km (0.057 R)
• M12: 9,395,943 km (0.1 R)
• M13: 10,054,772 km (0.099 R)
• M14: 10,744,269 km (0.09 R)
• M15: 11,912,778 km (0.093 R)
• M16: 12,372,342 km (0.052 R)
• M17: 21,435,430 km (0.117 R)
• M18: 22,116,400 km (0.106 R)
• M19: 22,578,507 km (0.108 R)
• M20: 23,922,644 km (0.069 R)
• M21: 25,656,035 km (0.114 R)
• M22: 26,944,521 km (0.063 R)
• M23: 27,560,416 km (0.085 R)
• M24: 30,686,114 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 9.4

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.87 AU - 5.25 AU

Year: 6493 Days

Day: 11.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,546,123 km

• M1: 116,986 km (0.065 R)
• M2: 437,424 km (0.106 R)
• M3: 1,147,715 km (0.052 R)
• M4: 1,827,338 km (0.051 R)
• M5: 2,185,326 km (0.086 R)
• M6: 3,825,367 km (0.115 R)
• M7: 4,468,189 km (0.114 R)
• M8: 5,239,366 km (0.092 R)
• M9: 5,780,312 km (0.107 R)
• M10: 6,695,253 km (0.08 R)
• M11: 7,223,632 km (0.106 R)
• M12: 7,666,143 km (0.067 R)
• M13: 9,145,367 km (0.047 R)
• M14: 9,532,227 km (0.075 R)
• M15: 10,570,885 km (0.102 R)
• M16: 10,997,089 km (0.119 R)
• M17: 11,385,744 km (0.068 R)
• M18: 11,783,375 km (0.09 R)
• M19: 12,397,325 km (0.1 R)
• M20: 13,086,223 km (0.107 R)
• M21: 13,467,698 km (0.102 R)
• M22: 15,246,865 km (0.049 R)
• M23: 15,975,856 km (0.111 R)
• M24: 17,900,133 km (0.041 R)
• M25: 23,537,430 km (0.118 R)
• M26: 26,624,831 km (0.066 R)
• M27: 27,237,883 km (0.067 R)
• M28: 28,310,649 km (0.096 R)
• M29: 31,405,829 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405

Radius: 5.2

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.18 AU - 10.24 AU

Year: 21755 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,546,123 km

• M1: 64,776 km (0.045 R)
• M2: 351,555 km (0.116 R)
• M3: 663,167 km (0.082 R)
• M4: 896,540 km (0.102 R)
• M5: 1,349,074 km (0.112 R)
• M6: 1,530,237 km (0.107 R)
• M7: 2,114,117 km (0.098 R)
• M8: 2,338,664 km (0.108 R)
• M9: 2,740,483 km (0.114 R)
• M10: 5,813,074 km (0.108 R)
• M11: 6,633,020 km (0.111 R)
• M12: 6,805,955 km (0.086 R)
• M13: 7,026,163 km (0.118 R)
• M14: 8,299,091 km (0.1 R)
• M15: 8,499,852 km (0.081 R)
• M16: 8,703,903 km (0.089 R)
• M17: 9,174,987 km (0.115 R)
• M18: 11,353,282 km (0.102 R)
• M19: 11,600,866 km (0.083 R)
• M20: 13,574,511 km (0.036 R)
• M21: 16,778,000 km (0.065 R)
• M22: 19,201,934 km (0.072 R)
• M23: 20,726,336 km (0.108 R)
• M24: 29,921,818 km (0.118 R)
• M25: 33,083,569 km (0.067 R)
• M26: 33,843,676 km (0.083 R)
• M27: 36,595,379 km (0.098 R)
• M28: 36,864,954 km (0.101 R)
• M29: 38,649,657 km (0.095 R)
• M30: 40,635,270 km (0.103 R)
• M31: 51,252,829 km (0.053 R)
• M32: 51,421,276 km (0.102 R)
• M33: 52,269,646 km (0.11 R)
• M34: 54,168,940 km (0.078 R)
• M35: 55,756,622 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 10,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit