🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 8.3

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.04 AU - 1.26 AU

Year: 836 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,312,744 km

• M1: 103,223 km (0.089 R)
• M2: 449,841 km (0.095 R)
• M3: 711,338 km (0.088 R)
• M4: 976,425 km (0.119 R)
• M5: 1,382,733 km (0.113 R)
• M6: 1,815,370 km (0.098 R)
• M7: 2,379,953 km (0.026 R)
• M8: 2,826,353 km (0.056 R)
• M9: 3,136,170 km (0.092 R)
• M10: 3,748,773 km (0.061 R)
• M11: 4,320,835 km (0.06 R)
• M12: 5,004,946 km (0.077 R)
• M13: 5,286,639 km (0.085 R)
• M14: 5,820,404 km (0.115 R)
• M15: 6,744,171 km (0.062 R)
• M16: 7,614,382 km (0.072 R)
• M17: 8,243,591 km (0.097 R)
• M18: 8,988,738 km (0.099 R)
• M19: 9,434,390 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 10

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.25 AU - 1.33 AU

Year: 994 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,312,744 km

• M1: 124,465 km (0.074 R)
• M2: 612,603 km (0.039 R)
• M3: 1,065,286 km (0.1 R)
• M4: 1,911,562 km (0.101 R)
• M5: 2,224,520 km (0.062 R)
• M6: 2,994,949 km (0.063 R)
• M7: 3,335,285 km (0.086 R)
• M8: 3,824,320 km (0.066 R)
• M9: 4,656,084 km (0.1 R)
• M10: 5,210,344 km (0.094 R)
• M11: 5,808,137 km (0.116 R)
• M12: 9,164,066 km (0.088 R)
• M13: 10,005,554 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 11.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.17 AU - 1.79 AU

Year: 1221 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,312,744 km

• M1: 145,559 km (0.06 R)
• M2: 594,053 km (0.092 R)
• M3: 958,773 km (0.045 R)
• M4: 1,409,212 km (0.075 R)
• M5: 2,741,531 km (0.041 R)
• M6: 3,154,869 km (0.102 R)
• M7: 3,718,704 km (0.103 R)
• M8: 4,508,281 km (0.041 R)
• M9: 5,305,488 km (0.082 R)
• M10: 6,083,547 km (0.108 R)
• M11: 6,840,213 km (0.11 R)
• M12: 7,607,201 km (0.071 R)
• M13: 8,321,082 km (0.052 R)
• M14: 9,519,960 km (0.104 R)
• M15: 10,254,934 km (0.107 R)
• M16: 10,830,587 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 9.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.85 AU - 2.29 AU

Year: 2020 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,312,744 km

• M1: 118,182 km (0.097 R)
• M2: 483,650 km (0.093 R)
• M3: 1,035,965 km (0.064 R)
• M4: 1,404,724 km (0.065 R)
• M5: 1,806,843 km (0.084 R)
• M6: 2,520,874 km (0.116 R)
• M7: 2,950,668 km (0.099 R)
• M8: 3,329,301 km (0.104 R)
• M9: 3,722,444 km (0.111 R)
• M10: 6,823,308 km (0.113 R)
• M11: 7,346,751 km (0.027 R)
• M12: 8,105,961 km (0.088 R)
• M13: 13,756,571 km (0.082 R)
• M14: 15,885,050 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 10.4

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.46 AU - 3.38 AU

Year: 3384 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 21,312,744 km

• M1: 129,402 km (0.068 R)
• M2: 589,266 km (0.066 R)
• M3: 973,433 km (0.112 R)
• M4: 1,299,258 km (0.062 R)
• M5: 1,897,649 km (0.067 R)
• M6: 2,224,969 km (0.106 R)
• M7: 2,574,430 km (0.047 R)
• M8: 3,252,108 km (0.031 R)
• M9: 4,358,983 km (0.054 R)
• M10: 4,911,148 km (0.072 R)
• M11: 5,563,545 km (0.061 R)
• M12: 5,925,123 km (0.106 R)
• M13: 7,431,573 km (0.114 R)
• M14: 8,044,625 km (0.094 R)
• M15: 9,255,620 km (0.105 R)
• M16: 10,292,334 km (0.03 R)
• M17: 10,796,329 km (0.114 R)
• M18: 12,036,046 km (0.093 R)
• M19: 14,070,428 km (0.031 R)
• M20: 16,493,913 km (0.103 R)
• M21: 18,684,924 km (0.087 R)
• M22: 19,626,193 km (0.095 R)
• M23: 20,205,885 km (0.108 R)
• M24: 22,569,532 km (0.114 R)
• M25: 23,348,936 km (0.032 R)
• M26: 24,886,653 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 9.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.81 AU - 3.13 AU

Year: 3472 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,312,744 km

• M1: 128,505 km (0.109 R)
• M2: 547,379 km (0.056 R)
• M3: 941,868 km (0.03 R)
• M4: 1,493,436 km (0.063 R)
• M5: 2,096,016 km (0.094 R)
• M6: 2,561,714 km (0.113 R)
• M7: 3,077,527 km (0.041 R)
• M8: 3,927,393 km (0.111 R)
• M9: 4,250,524 km (0.079 R)
• M10: 6,579,614 km (0.076 R)
• M11: 6,913,067 km (0.104 R)
• M12: 7,258,040 km (0.065 R)
• M13: 8,972,880 km (0.065 R)
• M14: 9,924,772 km (0.117 R)
• M15: 10,364,440 km (0.119 R)
• M16: 15,824,463 km (0.089 R)
• M17: 20,160,856 km (0.056 R)
• M18: 20,931,584 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.1

Radius: 4.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.94 AU - 6.68 AU

Year: 10751 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,312,744 km

• M1: 51,013 km (0.101 R)
• M2: 218,562 km (0.062 R)
• M3: 931,696 km (0.1 R)
• M4: 1,199,326 km (0.105 R)
• M5: 1,331,720 km (0.033 R)
• M6: 2,027,500 km (0.115 R)
• M7: 2,955,156 km (0.11 R)
• M8: 3,607,702 km (0.069 R)
• M9: 4,030,167 km (0.115 R)
• M10: 4,285,829 km (0.105 R)
• M11: 5,418,285 km (0.096 R)
• M12: 6,360,153 km (0.089 R)
• M13: 7,066,106 km (0.07 R)
• M14: 7,986,881 km (0.104 R)
• M15: 8,424,604 km (0.113 R)
• M16: 10,375,360 km (0.056 R)
• M17: 11,731,166 km (0.101 R)
• M18: 13,955,537 km (0.087 R)
• M19: 14,441,730 km (0.108 R)
• M20: 15,242,826 km (0.099 R)
• M21: 19,098,113 km (0.118 R)
• M22: 20,618,775 km (0.119 R)
• M23: 20,806,521 km (0.064 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 11,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit