🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214

Radius: 12.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,361,129 km

• M1: 153,039 km (0.119 R)
• M2: 868,266 km (0.094 R)
• M3: 1,252,433 km (0.064 R)
• M4: 1,637,797 km (0.101 R)
• M5: 2,047,247 km (0.077 R)
• M6: 2,814,684 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 14.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,361,129 km

• M1: 178,171 km (0.115 R)
• M2: 792,570 km (0.06 R)
• M3: 1,327,532 km (0.11 R)
• M4: 2,197,892 km (0.036 R)
• M5: 2,762,624 km (0.11 R)
• M6: 3,955,667 km (0.072 R)
• M7: 5,065,982 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 10

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.89 AU - 0.93 AU

Year: 579 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,361,129 km

• M1: 124,465 km (0.058 R)
• M2: 633,996 km (0.101 R)
• M3: 1,076,057 km (0.055 R)
• M4: 1,743,563 km (0.089 R)
• M5: 2,226,465 km (0.107 R)
• M6: 2,656,409 km (0.119 R)
• M7: 3,082,015 km (0.103 R)
• M8: 3,631,339 km (0.077 R)
• M9: 4,288,971 km (0.081 R)
• M10: 5,877,850 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.6

Radius: 8.9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.96 AU - 1.26 AU

Year: 780 Days

Day: 5.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,361,129 km

• M1: 110,702 km (0.053 R)
• M2: 563,086 km (0.102 R)
• M3: 866,920 km (0.063 R)
• M4: 1,410,558 km (0.101 R)
• M5: 2,065,348 km (0.099 R)
• M6: 2,762,175 km (0.076 R)
• M7: 3,050,450 km (0.114 R)
• M8: 4,443,506 km (0.118 R)
• M9: 5,617,998 km (0.084 R)
• M10: 6,103,144 km (0.059 R)
• M11: 7,135,968 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 10.7

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.35 AU - 1.41 AU

Year: 1081 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,361,129 km

• M1: 133,142 km (0.111 R)
• M2: 479,162 km (0.107 R)
• M3: 1,264,850 km (0.067 R)
• M4: 1,609,374 km (0.062 R)
• M5: 2,047,845 km (0.092 R)
• M6: 2,494,694 km (0.119 R)
• M7: 3,266,619 km (0.097 R)
• M8: 3,801,880 km (0.049 R)
• M9: 4,377,533 km (0.07 R)
• M10: 5,682,924 km (0.03 R)
• M11: 6,127,529 km (0.109 R)
• M12: 6,526,955 km (0.083 R)
• M13: 7,134,771 km (0.087 R)
• M14: 9,044,538 km (0.108 R)
• M15: 9,446,507 km (0.091 R)
• M16: 10,379,250 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 11.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.17 AU - 4.21 AU

Year: 4727 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,361,129 km

• M1: 146,756 km (0.119 R)
• M2: 676,482 km (0.109 R)
• M3: 1,840,951 km (0.079 R)
• M4: 2,607,940 km (0.106 R)
• M5: 4,090,604 km (0.105 R)
• M6: 4,811,816 km (0.059 R)
• M7: 5,571,623 km (0.112 R)
• M8: 10,690,264 km (0.08 R)
• M9: 11,288,207 km (0.105 R)
• M10: 12,020,189 km (0.119 R)
• M11: 12,436,071 km (0.092 R)
• M12: 13,216,972 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 10.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.51 AU - 4.11 AU

Year: 4959 Days

Day: 10 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,361,129 km

• M1: 132,993 km (0.048 R)
• M2: 583,282 km (0.063 R)
• M3: 1,690,905 km (0.086 R)
• M4: 2,657,157 km (0.12 R)
• M5: 3,975,414 km (0.088 R)
• M6: 4,838,893 km (0.061 R)
• M7: 5,709,852 km (0.083 R)
• M8: 6,459,786 km (0.113 R)
• M9: 8,386,606 km (0.078 R)
• M10: 10,163,081 km (0.109 R)
• M11: 11,478,794 km (0.113 R)
• M12: 13,259,308 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 11.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.42 AU - 6 AU

Year: 9099 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,361,129 km

• M1: 144,661 km (0.098 R)
• M2: 797,357 km (0.105 R)
• M3: 1,893,610 km (0.07 R)
• M4: 2,541,219 km (0.07 R)
• M5: 9,303,940 km (0.095 R)
• M6: 9,772,182 km (0.073 R)
• M7: 14,288,093 km (0.087 R)
• M8: 15,039,224 km (0.118 R)
• M9: 16,893,938 km (0.117 R)
• M10: 19,572,637 km (0.108 R)
• M11: 22,190,301 km (0.103 R)
• M12: 26,402,229 km (0.09 R)
• M13: 31,431,111 km (0.029 R)
• M14: 33,894,689 km (0.039 R)
• M15: 38,242,601 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.8

Radius: 3.4

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.02 AU - 8.68 AU

Year: 16090 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,361,129 km

• M1: 42,336 km (0.098 R)
• M2: 163,959 km (0.116 R)
• M3: 628,760 km (0.103 R)
• M4: 778,956 km (0.027 R)
• M5: 1,060,200 km (0.078 R)
• M6: 1,248,993 km (0.082 R)
• M7: 1,740,870 km (0.095 R)
• M8: 1,885,980 km (0.066 R)
• M9: 2,145,682 km (0.088 R)
• M10: 2,428,721 km (0.106 R)
• M11: 3,378,219 km (0.049 R)
• M12: 3,553,249 km (0.113 R)
• M13: 4,953,335 km (0.113 R)
• M14: 5,311,772 km (0.073 R)
• M15: 5,863,638 km (0.101 R)
• M16: 6,043,604 km (0.112 R)
• M17: 6,452,755 km (0.108 R)
• M18: 6,919,650 km (0.109 R)
• M19: 8,096,237 km (0.044 R)
• M20: 10,999,483 km (0.104 R)
• M21: 11,218,195 km (0.104 R)
• M22: 12,238,751 km (0.052 R)
• M23: 13,135,291 km (0.075 R)
• M24: 16,085,960 km (0.079 R)
• M25: 16,652,936 km (0.059 R)
• M26: 17,751,882 km (0.114 R)
• M27: 21,000,399 km (0.072 R)
• M28: 24,161,253 km (0.088 R)
• M29: 28,848,902 km (0.082 R)
• M30: 31,624,541 km (0.032 R)
• M31: 31,734,645 km (0.112 R)
• M32: 32,177,904 km (0.096 R)
• M33: 35,042,104 km (0.073 R)
• M34: 36,233,951 km (0.106 R)
• M35: 42,465,600 km (0.088 R)
• M36: 47,185,412 km (0.088 R)
• M37: 47,907,821 km (0.105 R)
• M38: 49,226,376 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 4

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.74 AU - 10.36 AU

Year: 18155 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,361,129 km

• M1: 49,816 km (0.096 R)
• M2: 188,344 km (0.046 R)
• M3: 328,367 km (0.084 R)
• M4: 808,128 km (0.051 R)
• M5: 1,172,249 km (0.085 R)
• M6: 1,398,890 km (0.046 R)
• M7: 2,363,796 km (0.107 R)
• M8: 3,853,043 km (0.087 R)
• M9: 4,386,658 km (0.078 R)
• M10: 4,861,781 km (0.064 R)
• M11: 9,029,279 km (0.109 R)
• M12: 11,644,399 km (0.095 R)
• M13: 15,095,921 km (0.079 R)
• M14: 16,488,827 km (0.098 R)
• M15: 16,890,348 km (0.088 R)
• M16: 17,134,491 km (0.11 R)
• M17: 17,463,457 km (0.116 R)
• M18: 17,629,660 km (0.118 R)
• M19: 21,366,316 km (0.108 R)
• M20: 22,230,393 km (0.057 R)
• M21: 25,384,814 km (0.056 R)
• M22: 26,462,816 km (0.11 R)
• M23: 31,324,298 km (0.101 R)
• M24: 33,835,149 km (0.095 R)
• M25: 35,007,547 km (0.092 R)
• M26: 36,072,086 km (0.091 R)
• M27: 43,067,881 km (0.107 R)
• M28: 45,377,522 km (0.081 R)
• M29: 51,084,681 km (0.037 R)
• M30: 51,937,239 km (0.085 R)
• M31: 52,108,828 km (0.116 R)
• M32: 54,021,736 km (0.11 R)
• M33: 58,356,783 km (0.077 R)
• M34: 60,040,357 km (0.077 R)
• M35: 60,608,680 km (0.029 R)
• M36: 62,723,246 km (0.085 R)
• M37: 67,506,488 km (0.048 R)
• M38: 68,532,729 km (0.086 R)
• M39: 69,361,202 km (0.036 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: 210 - 18,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit