🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.74 AU - 1.12 AU

Year: 619 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,164,986 km

• M1: 99,483 km (0.103 R)
• M2: 379,081 km (0.062 R)
• M3: 1,022,053 km (0.086 R)
• M4: 1,308,533 km (0.104 R)
• M5: 1,569,282 km (0.081 R)
• M6: 2,431,713 km (0.047 R)
• M7: 2,734,649 km (0.113 R)
• M8: 3,178,057 km (0.113 R)
• M9: 3,466,482 km (0.109 R)
• M10: 3,825,068 km (0.1 R)
• M11: 4,236,612 km (0.114 R)
• M12: 4,784,589 km (0.088 R)
• M13: 5,246,397 km (0.11 R)
• M14: 6,039,565 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 9.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.86 AU - 1.16 AU

Year: 701 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,164,986 km

• M1: 119,379 km (0.098 R)
• M2: 419,772 km (0.112 R)
• M3: 852,558 km (0.118 R)
• M4: 1,658,292 km (0.106 R)
• M5: 1,971,550 km (0.088 R)
• M6: 3,124,950 km (0.089 R)
• M7: 3,902,859 km (0.038 R)
• M8: 5,766,848 km (0.106 R)
• M9: 6,772,595 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 12

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.41 AU - 1.79 AU

Year: 1397 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,164,986 km

• M1: 149,299 km (0.117 R)
• M2: 1,088,474 km (0.059 R)
• M3: 1,678,339 km (0.091 R)
• M4: 2,211,206 km (0.096 R)
• M5: 3,679,509 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 9.5

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.68 AU - 5.24 AU

Year: 7625 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,164,986 km

• M1: 118,182 km (0.058 R)
• M2: 460,163 km (0.028 R)
• M3: 1,110,764 km (0.108 R)
• M4: 1,503,010 km (0.108 R)
• M5: 2,052,632 km (0.025 R)
• M6: 2,553,486 km (0.073 R)
• M7: 2,854,178 km (0.082 R)
• M8: 3,432,374 km (0.095 R)
• M9: 4,086,715 km (0.073 R)
• M10: 5,189,999 km (0.084 R)
• M11: 6,628,233 km (0.084 R)
• M12: 7,006,715 km (0.114 R)
• M13: 9,684,368 km (0.063 R)
• M14: 10,122,690 km (0.107 R)
• M15: 11,039,425 km (0.048 R)
• M16: 11,680,602 km (0.081 R)
• M17: 12,177,715 km (0.082 R)
• M18: 14,496,333 km (0.111 R)
• M19: 16,061,276 km (0.094 R)
• M20: 16,607,009 km (0.052 R)
• M21: 19,677,805 km (0.118 R)
• M22: 21,021,642 km (0.075 R)
• M23: 22,594,963 km (0.047 R)
• M24: 23,979,641 km (0.06 R)
• M25: 27,396,756 km (0.038 R)
• M26: 27,882,051 km (0.116 R)
• M27: 34,050,869 km (0.093 R)
• M28: 35,522,762 km (0.096 R)
• M29: 40,067,845 km (0.11 R)
• M30: 43,391,760 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 9.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.49 AU - 5.61 AU

Year: 7833 Days

Day: 14.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,164,986 km

• M1: 125,513 km (0.1 R)
• M2: 517,758 km (0.113 R)
• M3: 1,004,101 km (0.076 R)
• M4: 1,418,786 km (0.113 R)
• M5: 1,815,669 km (0.085 R)
• M6: 2,346,143 km (0.118 R)
• M7: 5,023,796 km (0.086 R)
• M8: 5,530,184 km (0.043 R)
• M9: 9,711,894 km (0.097 R)
• M10: 10,498,629 km (0.099 R)
• M11: 10,798,872 km (0.101 R)
• M12: 11,371,832 km (0.11 R)
• M13: 12,198,510 km (0.11 R)
• M14: 13,212,933 km (0.104 R)
• M15: 14,282,707 km (0.118 R)
• M16: 17,297,254 km (0.052 R)
• M17: 24,626,502 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 14.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.96 AU - 6 AU

Year: 8855 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,164,986 km

• M1: 182,659 km (0.097 R)
• M2: 754,572 km (0.11 R)
• M3: 1,325,437 km (0.04 R)
• M4: 2,022,713 km (0.083 R)
• M5: 2,508,607 km (0.091 R)
• M6: 3,904,355 km (0.101 R)
• M7: 5,589,575 km (0.052 R)
• M8: 6,204,871 km (0.093 R)
• M9: 7,072,239 km (0.095 R)
• M10: 9,256,817 km (0.067 R)
• M11: 9,943,621 km (0.101 R)
• M12: 11,712,017 km (0.055 R)
• M13: 12,362,768 km (0.118 R)
• M14: 13,143,370 km (0.068 R)
• M15: 14,067,735 km (0.064 R)
• M16: 18,873,866 km (0.096 R)
• M17: 20,837,637 km (0.108 R)
• M18: 21,944,063 km (0.118 R)
• M19: 26,936,443 km (0.069 R)
• M20: 27,983,329 km (0.098 R)
• M21: 30,251,233 km (0.088 R)
• M22: 30,813,272 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.2

Radius: 3.2

Gravity: 51.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.17 AU - 6.45 AU

Year: 9667 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,164,986 km

• M1: 39,793 km (0.113 R)
• M2: 140,472 km (0.08 R)
• M3: 302,038 km (0.067 R)
• M4: 581,188 km (0.039 R)
• M5: 732,880 km (0.111 R)
• M6: 959,222 km (0.115 R)
• M7: 1,290,282 km (0.084 R)
• M8: 1,442,123 km (0.03 R)
• M9: 1,605,933 km (0.103 R)
• M10: 1,721,871 km (0.082 R)
• M11: 1,874,611 km (0.082 R)
• M12: 2,617,664 km (0.088 R)
• M13: 4,802,391 km (0.099 R)
• M14: 5,683,373 km (0.118 R)
• M15: 6,483,572 km (0.082 R)
• M16: 6,853,826 km (0.039 R)
• M17: 7,082,562 km (0.072 R)
• M18: 7,316,533 km (0.115 R)
• M19: 8,829,266 km (0.104 R)
• M20: 9,516,818 km (0.048 R)
• M21: 11,792,651 km (0.074 R)
• M22: 11,956,161 km (0.027 R)
• M23: 14,221,372 km (0.092 R)
• M24: 14,656,103 km (0.106 R)
• M25: 15,163,689 km (0.116 R)
• M26: 16,013,405 km (0.094 R)
• M27: 16,213,866 km (0.085 R)
• M28: 19,653,869 km (0.107 R)
• M29: 20,038,036 km (0.096 R)
• M30: 20,741,894 km (0.106 R)
• M31: 21,462,208 km (0.115 R)
• M32: 21,951,543 km (0.1 R)
• M33: 27,071,081 km (0.052 R)
• M34: 29,204,197 km (0.101 R)
• M35: 36,270,752 km (0.092 R)
• M36: 36,732,261 km (0.073 R)
• M37: 40,938,953 km (0.078 R)
• M38: 41,690,982 km (0.057 R)
• M39: 42,836,004 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.1

Radius: 3.8

Gravity: 29.23 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.39 AU - 8.77 AU

Year: 15854 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,164,986 km

• M1: 47,273 km (0.119 R)
• M2: 183,557 km (0.097 R)
• M3: 365,019 km (0.076 R)
• M4: 670,049 km (0.119 R)
• M5: 1,137,841 km (0.079 R)
• M6: 1,303,147 km (0.111 R)
• M7: 2,038,570 km (0.053 R)
• M8: 2,922,843 km (0.072 R)
• M9: 3,111,785 km (0.116 R)
• M10: 3,647,046 km (0.12 R)
• M11: 3,894,182 km (0.092 R)
• M12: 4,930,147 km (0.104 R)
• M13: 5,062,990 km (0.032 R)
• M14: 5,546,939 km (0.109 R)
• M15: 6,136,953 km (0.091 R)
• M16: 7,183,391 km (0.107 R)
• M17: 7,704,290 km (0.111 R)
• M18: 8,343,372 km (0.055 R)
• M19: 9,017,012 km (0.077 R)
• M20: 9,367,071 km (0.089 R)
• M21: 10,802,612 km (0.109 R)
• M22: 12,015,851 km (0.102 R)
• M23: 13,381,230 km (0.079 R)
• M24: 14,985,069 km (0.065 R)
• M25: 16,787,424 km (0.072 R)
• M26: 29,385,659 km (0.093 R)
• M27: 32,074,980 km (0.12 R)
• M28: 39,109,820 km (0.049 R)
• M29: 39,638,798 km (0.089 R)
• M30: 42,634,196 km (0.088 R)
• M31: 42,773,921 km (0.102 R)
• M32: 46,512,222 km (0.101 R)
• M33: 49,377,769 km (0.06 R)
• M34: 50,618,684 km (0.084 R)
• M35: 52,039,414 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.4

Radius: 5.4

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.74 AU - 9.92 AU

Year: 18111 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,164,986 km

• M1: 67,319 km (0.1 R)
• M2: 282,142 km (0.12 R)
• M3: 563,834 km (0.048 R)
• M4: 744,399 km (0.108 R)
• M5: 1,070,971 km (0.095 R)
• M6: 2,310,240 km (0.119 R)
• M7: 3,979,752 km (0.119 R)
• M8: 8,196,467 km (0.112 R)
• M9: 9,179,176 km (0.114 R)
• M10: 10,354,267 km (0.05 R)
• M11: 11,438,403 km (0.07 R)
• M12: 11,943,595 km (0.079 R)
• M13: 12,729,432 km (0.071 R)
• M14: 13,759,264 km (0.085 R)
• M15: 14,258,472 km (0.102 R)
• M16: 18,522,460 km (0.059 R)
• M17: 18,955,696 km (0.105 R)
• M18: 22,082,590 km (0.1 R)
• M19: 22,667,817 km (0.091 R)
• M20: 23,464,276 km (0.052 R)
• M21: 23,869,387 km (0.051 R)
• M22: 24,693,672 km (0.098 R)
• M23: 25,430,292 km (0.107 R)
• M24: 30,160,576 km (0.047 R)
• M25: 31,735,692 km (0.042 R)
• M26: 32,231,160 km (0.077 R)
• M27: 33,620,177 km (0.038 R)
• M28: 42,054,205 km (0.111 R)
• M29: 43,103,784 km (0.108 R)
• M30: 48,778,929 km (0.116 R)
• M31: 49,937,415 km (0.031 R)
• M32: 50,439,465 km (0.114 R)
• M33: 56,366,683 km (0.073 R)
• M34: 60,061,451 km (0.071 R)
• M35: 60,250,243 km (0.054 R)
• M36: 60,629,175 km (0.049 R)
• M37: 64,308,385 km (0.029 R)
• M38: 68,544,996 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 17,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit