🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 10

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 11.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,956,129 km

• M1: 124,615 km (0.047 R)
• M2: 472,280 km (0.04 R)
• M3: 828,473 km (0.046 R)
• M4: 1,318,855 km (0.112 R)
• M5: 1,857,108 km (0.061 R)
• M6: 2,333,727 km (0.058 R)
• M7: 2,651,173 km (0.105 R)
• M8: 3,413,823 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 10.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.1 AU - 1.28 AU

Year: 896 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,956,129 km

• M1: 134,339 km (0.096 R)
• M2: 498,909 km (0.108 R)
• M3: 850,464 km (0.068 R)
• M4: 1,341,594 km (0.09 R)
• M5: 2,064,600 km (0.092 R)
• M6: 2,510,402 km (0.083 R)
• M7: 3,144,697 km (0.076 R)
• M8: 3,882,962 km (0.098 R)
• M9: 4,222,101 km (0.094 R)
• M10: 4,719,065 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.9

Radius: 8.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.71 AU - 2.79 AU

Year: 2330 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,956,129 km

• M1: 106,065 km (0.115 R)
• M2: 626,516 km (0.103 R)
• M3: 903,870 km (0.073 R)
• M4: 1,178,083 km (0.087 R)
• M5: 1,672,055 km (0.093 R)
• M6: 2,597,468 km (0.097 R)
• M7: 4,139,971 km (0.113 R)
• M8: 4,727,592 km (0.091 R)
• M9: 5,392,106 km (0.119 R)
• M10: 5,924,225 km (0.069 R)
• M11: 7,561,873 km (0.111 R)
• M12: 7,992,565 km (0.101 R)
• M13: 9,350,615 km (0.12 R)
• M14: 9,779,811 km (0.074 R)
• M15: 12,596,440 km (0.07 R)
• M16: 13,742,509 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 9.3

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.25 AU - 2.39 AU

Year: 2439 Days

Day: 5.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,956,129 km

• M1: 115,938 km (0.09 R)
• M2: 597,344 km (0.087 R)
• M3: 1,036,863 km (0.053 R)
• M4: 1,514,230 km (0.1 R)
• M5: 2,895,616 km (0.108 R)
• M6: 3,809,959 km (0.091 R)
• M7: 4,952,438 km (0.11 R)
• M8: 5,413,049 km (0.102 R)
• M9: 7,423,645 km (0.114 R)
• M10: 8,258,700 km (0.104 R)
• M11: 8,837,644 km (0.105 R)
• M12: 9,226,598 km (0.068 R)
• M13: 9,812,573 km (0.096 R)
• M14: 10,345,590 km (0.113 R)
• M15: 11,427,931 km (0.086 R)
• M16: 12,851,055 km (0.045 R)
• M17: 13,535,615 km (0.101 R)
• M18: 14,148,368 km (0.086 R)
• M19: 15,277,683 km (0.051 R)
• M20: 16,947,494 km (0.085 R)
• M21: 18,163,725 km (0.102 R)
• M22: 18,620,148 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 11

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.4 AU - 4.44 AU

Year: 5357 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,956,129 km

• M1: 149,299 km (0.088 R)
• M2: 539,899 km (0.048 R)
• M3: 1,051,823 km (0.071 R)
• M4: 1,525,001 km (0.08 R)
• M5: 2,551,990 km (0.119 R)
• M6: 3,321,970 km (0.087 R)
• M7: 4,771,723 km (0.102 R)
• M8: 5,401,830 km (0.07 R)
• M9: 7,980,598 km (0.077 R)
• M10: 8,416,975 km (0.076 R)
• M11: 9,023,444 km (0.11 R)
• M12: 9,946,164 km (0.062 R)
• M13: 10,842,704 km (0.116 R)
• M14: 12,311,007 km (0.079 R)
• M15: 13,496,421 km (0.026 R)
• M16: 15,808,007 km (0.1 R)
• M17: 16,265,477 km (0.083 R)
• M18: 19,328,194 km (0.087 R)
• M19: 20,250,316 km (0.114 R)
• M20: 22,111,164 km (0.095 R)
• M21: 24,385,201 km (0.086 R)
• M22: 25,461,558 km (0.102 R)
• M23: 27,380,150 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.9

Radius: 12.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.43 AU - 4.97 AU

Year: 7033 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,956,129 km

• M1: 151,991 km (0.093 R)
• M2: 611,855 km (0.082 R)
• M3: 1,028,037 km (0.117 R)
• M4: 1,640,640 km (0.049 R)
• M5: 2,024,807 km (0.098 R)
• M6: 2,591,634 km (0.097 R)
• M7: 3,517,944 km (0.065 R)
• M8: 4,342,527 km (0.101 R)
• M9: 5,291,725 km (0.102 R)
• M10: 5,769,541 km (0.106 R)
• M11: 6,308,692 km (0.033 R)
• M12: 6,812,238 km (0.104 R)
• M13: 10,010,641 km (0.063 R)
• M14: 11,268,759 km (0.103 R)
• M15: 14,153,754 km (0.037 R)
• M16: 18,973,648 km (0.087 R)
• M17: 20,384,804 km (0.065 R)
• M18: 21,264,290 km (0.117 R)
• M19: 22,016,468 km (0.112 R)
• M20: 22,942,479 km (0.082 R)
• M21: 26,302,597 km (0.084 R)
• M22: 27,081,852 km (0.104 R)
• M23: 28,144,895 km (0.09 R)
• M24: 28,868,799 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.7

Radius: 9.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.93 AU - 5.73 AU

Year: 8494 Days

Day: 6.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,956,129 km

• M1: 119,678 km (0.086 R)
• M2: 605,273 km (0.12 R)
• M3: 1,002,455 km (0.073 R)
• M4: 1,572,274 km (0.079 R)
• M5: 2,212,403 km (0.12 R)
• M6: 2,897,412 km (0.118 R)
• M7: 3,788,267 km (0.088 R)
• M8: 4,362,573 km (0.099 R)
• M9: 4,994,026 km (0.077 R)
• M10: 6,507,208 km (0.094 R)
• M11: 7,294,392 km (0.084 R)
• M12: 7,788,664 km (0.104 R)
• M13: 8,103,866 km (0.119 R)
• M14: 10,412,012 km (0.03 R)
• M15: 19,691,418 km (0.077 R)
• M16: 20,575,242 km (0.115 R)
• M17: 21,027,028 km (0.048 R)
• M18: 22,501,465 km (0.087 R)
• M19: 26,354,507 km (0.073 R)
• M20: 29,186,096 km (0.117 R)
• M21: 30,528,886 km (0.091 R)
• M22: 31,812,137 km (0.083 R)
• M23: 32,619,666 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 4.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.38 AU - 6.54 AU

Year: 11333 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,956,129 km

• M1: 56,548 km (0.117 R)
• M2: 228,735 km (0.114 R)
• M3: 456,573 km (0.106 R)
• M4: 719,267 km (0.083 R)
• M5: 1,157,289 km (0.095 R)
• M6: 1,673,851 km (0.11 R)
• M7: 2,297,674 km (0.104 R)
• M8: 2,607,940 km (0.074 R)
• M9: 3,044,167 km (0.099 R)
• M10: 3,571,799 km (0.11 R)
• M11: 6,531,742 km (0.117 R)
• M12: 6,734,597 km (0.113 R)
• M13: 7,152,723 km (0.119 R)
• M14: 8,752,822 km (0.103 R)
• M15: 9,292,870 km (0.084 R)
• M16: 9,810,778 km (0.098 R)
• M17: 10,166,522 km (0.066 R)
• M18: 10,998,585 km (0.109 R)
• M19: 12,796,901 km (0.118 R)
• M20: 13,221,609 km (0.094 R)
• M21: 14,724,619 km (0.09 R)
• M22: 15,190,916 km (0.055 R)
• M23: 15,969,423 km (0.115 R)
• M24: 16,399,517 km (0.088 R)
• M25: 17,027,379 km (0.072 R)
• M26: 18,802,208 km (0.082 R)
• M27: 20,696,566 km (0.092 R)
• M28: 21,652,646 km (0.049 R)
• M29: 22,637,599 km (0.076 R)
• M30: 24,130,436 km (0.091 R)
• M31: 27,837,022 km (0.104 R)
• M32: 29,091,550 km (0.037 R)
• M33: 30,476,826 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.2

Radius: 7.6

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.15 AU - 11.91 AU

Year: 20307 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,956,129 km

• M1: 94,845 km (0.117 R)
• M2: 352,303 km (0.084 R)
• M3: 684,410 km (0.092 R)
• M4: 1,029,383 km (0.064 R)
• M5: 1,535,473 km (0.111 R)
• M6: 1,827,488 km (0.11 R)
• M7: 2,501,875 km (0.112 R)
• M8: 2,760,380 km (0.098 R)
• M9: 3,387,494 km (0.104 R)
• M10: 4,467,292 km (0.05 R)
• M11: 5,841,348 km (0.05 R)
• M12: 7,286,613 km (0.032 R)
• M13: 10,142,287 km (0.089 R)
• M14: 14,104,835 km (0.099 R)
• M15: 14,475,389 km (0.108 R)
• M16: 17,763,999 km (0.117 R)
• M17: 22,309,082 km (0.059 R)
• M18: 27,688,621 km (0.05 R)
• M19: 28,387,243 km (0.089 R)
• M20: 32,569,401 km (0.087 R)
• M21: 33,086,860 km (0.116 R)
• M22: 34,404,668 km (0.039 R)
• M23: 37,004,230 km (0.03 R)
• M24: 39,879,052 km (0.059 R)
• M25: 45,422,850 km (0.043 R)
• M26: 48,378,156 km (0.112 R)
• M27: 58,008,968 km (0.093 R)
• M28: 58,960,410 km (0.06 R)
• M29: 62,472,071 km (0.034 R)
• M30: 63,874,401 km (0.046 R)
• M31: 64,888,974 km (0.116 R)
• M32: 66,534,401 km (0.118 R)
• M33: 70,123,104 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 14,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit