🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.8

Radius: 8.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.58 AU - 1.6 AU

Year: 1315 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,583,627 km

• M1: 102,026 km (0.111 R)
• M2: 389,553 km (0.049 R)
• M3: 695,331 km (0.073 R)
• M4: 953,986 km (0.112 R)
• M5: 1,209,499 km (0.042 R)
• M6: 1,502,711 km (0.096 R)
• M7: 1,884,634 km (0.081 R)
• M8: 2,282,714 km (0.103 R)
• M9: 2,762,923 km (0.099 R)
• M10: 3,354,882 km (0.095 R)
• M11: 3,890,741 km (0.105 R)
• M12: 4,188,292 km (0.081 R)
• M13: 4,444,702 km (0.104 R)
• M14: 5,257,168 km (0.114 R)
• M15: 5,866,480 km (0.106 R)
• M16: 6,329,785 km (0.109 R)
• M17: 7,173,517 km (0.076 R)
• M18: 7,595,533 km (0.112 R)
• M19: 7,950,528 km (0.064 R)
• M20: 8,518,402 km (0.106 R)
• M21: 9,235,275 km (0.111 R)
• M22: 9,576,956 km (0.086 R)
• M23: 11,237,642 km (0.116 R)
• M24: 12,210,178 km (0.106 R)
• M25: 12,622,021 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 9.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.23 AU - 2.27 AU

Year: 2214 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,583,627 km

• M1: 121,623 km (0.081 R)
• M2: 428,448 km (0.115 R)
• M3: 786,586 km (0.039 R)
• M4: 1,099,844 km (0.105 R)
• M5: 1,948,063 km (0.119 R)
• M6: 3,030,703 km (0.085 R)
• M7: 3,469,025 km (0.06 R)
• M8: 4,149,995 km (0.109 R)
• M9: 4,453,977 km (0.064 R)
• M10: 5,547,239 km (0.114 R)
• M11: 6,328,289 km (0.083 R)
• M12: 6,836,174 km (0.096 R)
• M13: 7,733,761 km (0.1 R)
• M14: 9,018,508 km (0.114 R)
• M15: 9,368,866 km (0.115 R)
• M16: 9,861,342 km (0.083 R)
• M17: 11,929,981 km (0.051 R)
• M18: 12,626,808 km (0.092 R)
• M19: 13,309,573 km (0.117 R)
• M20: 14,144,179 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 9.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.04 AU - 3.06 AU

Year: 3494 Days

Day: 7.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,583,627 km

• M1: 114,592 km (0.037 R)
• M2: 469,588 km (0.082 R)
• M3: 768,185 km (0.085 R)
• M4: 1,089,222 km (0.119 R)
• M5: 1,979,928 km (0.081 R)
• M6: 2,420,494 km (0.105 R)
• M7: 2,879,460 km (0.115 R)
• M8: 3,516,597 km (0.11 R)
• M9: 3,840,925 km (0.073 R)
• M10: 4,426,302 km (0.056 R)
• M11: 5,228,745 km (0.045 R)
• M12: 5,652,705 km (0.056 R)
• M13: 6,099,554 km (0.094 R)
• M14: 8,859,784 km (0.108 R)
• M15: 10,058,662 km (0.09 R)
• M16: 12,524,932 km (0.101 R)
• M17: 13,501,956 km (0.03 R)
• M18: 15,994,705 km (0.072 R)
• M19: 16,788,621 km (0.109 R)
• M20: 17,093,053 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.9

Radius: 12.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.85 AU - 3.83 AU

Year: 4004 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,583,627 km

• M1: 156,779 km (0.112 R)
• M2: 991,385 km (0.087 R)
• M3: 1,824,645 km (0.102 R)
• M4: 2,771,001 km (0.114 R)
• M5: 5,140,183 km (0.097 R)
• M6: 6,629,280 km (0.087 R)
• M7: 7,348,995 km (0.116 R)
• M8: 8,220,104 km (0.046 R)
• M9: 9,785,945 km (0.051 R)
• M10: 11,458,449 km (0.098 R)
• M11: 13,083,082 km (0.107 R)
• M12: 17,838,200 km (0.054 R)
• M13: 18,351,919 km (0.099 R)
• M14: 20,944,749 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 14.5

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.59 AU - 3.85 AU

Year: 4707 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,583,627 km

• M1: 180,565 km (0.077 R)
• M2: 921,672 km (0.119 R)
• M3: 1,433,596 km (0.11 R)
• M4: 1,959,882 km (0.093 R)
• M5: 3,107,447 km (0.045 R)
• M6: 3,852,893 km (0.12 R)
• M7: 4,304,080 km (0.059 R)
• M8: 4,765,440 km (0.06 R)
• M9: 6,171,211 km (0.106 R)
• M10: 6,856,968 km (0.085 R)
• M11: 8,872,949 km (0.119 R)
• M12: 9,707,256 km (0.098 R)
• M13: 12,046,369 km (0.086 R)
• M14: 13,069,917 km (0.075 R)
• M15: 13,680,276 km (0.082 R)
• M16: 20,739,501 km (0.093 R)
• M17: 22,280,808 km (0.111 R)
• M18: 22,786,897 km (0.069 R)
• M19: 23,822,115 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 8

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.38 AU - 5.66 AU

Year: 7378 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,583,627 km

• M1: 99,483 km (0.091 R)
• M2: 470,784 km (0.117 R)
• M3: 826,528 km (0.109 R)
• M4: 1,654,104 km (0.061 R)
• M5: 2,988,666 km (0.091 R)
• M6: 3,607,403 km (0.045 R)
• M7: 4,983,554 km (0.089 R)
• M8: 6,853,826 km (0.119 R)
• M9: 7,469,721 km (0.088 R)
• M10: 8,004,084 km (0.051 R)
• M11: 9,234,976 km (0.086 R)
• M12: 10,306,994 km (0.113 R)
• M13: 10,777,330 km (0.076 R)
• M14: 11,066,203 km (0.034 R)
• M15: 12,326,565 km (0.082 R)
• M16: 13,457,076 km (0.113 R)
• M17: 14,479,728 km (0.094 R)
• M18: 15,069,891 km (0.117 R)
• M19: 15,799,031 km (0.088 R)
• M20: 17,525,391 km (0.045 R)
• M21: 20,528,568 km (0.106 R)
• M22: 20,824,173 km (0.103 R)
• M23: 21,881,681 km (0.08 R)
• M24: 23,133,516 km (0.084 R)
• M25: 28,989,524 km (0.086 R)
• M26: 29,926,456 km (0.109 R)
• M27: 30,402,326 km (0.116 R)
• M28: 32,257,190 km (0.039 R)
• M29: 33,466,689 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.6

Radius: 8.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.75 AU - 6.51 AU

Year: 8763 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,583,627 km

• M1: 109,506 km (0.083 R)
• M2: 539,001 km (0.058 R)
• M3: 847,472 km (0.097 R)
• M4: 1,210,247 km (0.086 R)
• M5: 3,577,334 km (0.117 R)
• M6: 4,244,690 km (0.111 R)
• M7: 5,444,615 km (0.1 R)
• M8: 6,535,333 km (0.092 R)
• M9: 6,856,669 km (0.109 R)
• M10: 7,263,725 km (0.096 R)
• M11: 7,804,970 km (0.087 R)
• M12: 8,456,169 km (0.06 R)
• M13: 11,790,407 km (0.109 R)
• M14: 12,429,489 km (0.116 R)
• M15: 13,488,193 km (0.109 R)
• M16: 17,565,932 km (0.092 R)
• M17: 23,961,989 km (0.106 R)
• M18: 24,727,780 km (0.079 R)
• M19: 28,518,440 km (0.072 R)
• M20: 29,378,329 km (0.108 R)
• M21: 30,849,774 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 10.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.81 AU - 6.59 AU

Year: 8927 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,583,627 km

• M1: 132,993 km (0.12 R)
• M2: 545,583 km (0.074 R)
• M3: 1,231,639 km (0.119 R)
• M4: 2,875,570 km (0.041 R)
• M5: 4,032,411 km (0.114 R)
• M6: 4,584,128 km (0.117 R)
• M7: 6,250,049 km (0.036 R)
• M8: 8,564,478 km (0.06 R)
• M9: 12,246,680 km (0.114 R)
• M10: 13,954,639 km (0.068 R)
• M11: 23,634,519 km (0.109 R)
• M12: 27,920,947 km (0.06 R)
• M13: 28,909,041 km (0.085 R)
• M14: 32,208,422 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.9

Radius: 4.2

Gravity: 43.99 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.16 AU - 9.44 AU

Year: 18605 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 125 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,583,627 km

• M1: 56,398 km (0.087 R)
• M2: 277,803 km (0.117 R)
• M3: 410,347 km (0.096 R)
• M4: 665,561 km (0.049 R)
• M5: 1,746,106 km (0.065 R)
• M6: 2,717,595 km (0.094 R)
• M7: 3,488,922 km (0.108 R)
• M8: 4,362,573 km (0.114 R)
• M9: 4,959,169 km (0.087 R)
• M10: 5,489,793 km (0.042 R)
• M11: 7,167,084 km (0.071 R)
• M12: 11,233,603 km (0.05 R)
• M13: 11,945,689 km (0.053 R)
• M14: 18,670,113 km (0.105 R)
• M15: 20,132,133 km (0.097 R)
• M16: 25,517,956 km (0.083 R)
• M17: 30,783,651 km (0.113 R)
• M18: 35,895,859 km (0.116 R)
• M19: 37,433,726 km (0.094 R)
• M20: 39,748,304 km (0.06 R)
• M21: 42,928,605 km (0.091 R)
• M22: 47,095,953 km (0.097 R)
• M23: 68,350,070 km (0.063 R)
• M24: 72,015,817 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 12,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit