🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 10.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,586,542 km

• M1: 126,859 km (0.09 R)
• M2: 503,546 km (0.107 R)
• M3: 864,676 km (0.057 R)
• M4: 1,182,571 km (0.117 R)
• M5: 1,503,309 km (0.077 R)
• M6: 2,335,821 km (0.097 R)
• M7: 2,972,061 km (0.11 R)
• M8: 3,891,489 km (0.073 R)
• M9: 4,701,412 km (0.115 R)
• M10: 5,034,567 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 14.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.04 AU - 1.14 AU

Year: 772 Days

Day: 5 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,586,542 km

• M1: 183,108 km (0.084 R)
• M2: 767,138 km (0.071 R)
• M3: 1,232,387 km (0.092 R)
• M4: 1,987,109 km (0.048 R)
• M5: 2,516,236 km (0.08 R)
• M6: 3,062,867 km (0.066 R)
• M7: 3,545,619 km (0.065 R)
• M8: 4,173,631 km (0.093 R)
• M9: 4,633,196 km (0.097 R)
• M10: 5,424,120 km (0.091 R)
• M11: 6,261,868 km (0.059 R)
• M12: 6,756,289 km (0.03 R)
• M13: 7,606,753 km (0.115 R)
• M14: 8,347,711 km (0.051 R)
• M15: 9,300,200 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 11.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.44 AU - 1.68 AU

Year: 1322 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,586,542 km

• M1: 138,079 km (0.097 R)
• M2: 563,086 km (0.109 R)
• M3: 929,152 km (0.097 R)
• M4: 1,595,760 km (0.103 R)
• M5: 1,955,394 km (0.077 R)
• M6: 2,469,711 km (0.102 R)
• M7: 3,162,499 km (0.076 R)
• M8: 4,751,827 km (0.104 R)
• M9: 5,269,435 km (0.093 R)
• M10: 5,824,294 km (0.046 R)
• M11: 6,175,699 km (0.067 R)
• M12: 6,716,795 km (0.082 R)
• M13: 7,837,732 km (0.112 R)
• M14: 9,521,007 km (0.108 R)
• M15: 12,326,715 km (0.1 R)
• M16: 12,673,483 km (0.066 R)
• M17: 13,426,858 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.7

Radius: 8.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.09 AU - 2.19 AU

Year: 2123 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,586,542 km

• M1: 104,569 km (0.092 R)
• M2: 447,597 km (0.108 R)
• M3: 718,818 km (0.091 R)
• M4: 1,221,766 km (0.102 R)
• M5: 1,510,041 km (0.085 R)
• M6: 1,865,934 km (0.068 R)
• M7: 2,954,109 km (0.078 R)
• M8: 3,464,238 km (0.108 R)
• M9: 3,976,311 km (0.096 R)
• M10: 4,260,398 km (0.067 R)
• M11: 5,019,906 km (0.073 R)
• M12: 5,443,567 km (0.074 R)
• M13: 7,075,680 km (0.065 R)
• M14: 8,289,816 km (0.11 R)
• M15: 9,140,280 km (0.08 R)
• M16: 9,569,925 km (0.113 R)
• M17: 10,398,548 km (0.045 R)
• M18: 12,317,141 km (0.112 R)
• M19: 12,678,719 km (0.119 R)
• M20: 14,021,808 km (0.083 R)
• M21: 14,772,790 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 11.9

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.91 AU - 2.69 AU

Year: 2366 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,586,542 km

• M1: 147,952 km (0.106 R)
• M2: 567,275 km (0.086 R)
• M3: 1,031,477 km (0.076 R)
• M4: 1,427,612 km (0.097 R)
• M5: 2,013,288 km (0.076 R)
• M6: 2,469,861 km (0.12 R)
• M7: 3,356,827 km (0.062 R)
• M8: 3,766,874 km (0.087 R)
• M9: 4,423,310 km (0.077 R)
• M10: 4,871,505 km (0.045 R)
• M11: 5,499,367 km (0.093 R)
• M12: 6,045,400 km (0.109 R)
• M13: 7,006,117 km (0.093 R)
• M14: 7,492,161 km (0.116 R)
• M15: 8,296,848 km (0.106 R)
• M16: 9,193,836 km (0.117 R)
• M17: 9,629,017 km (0.116 R)
• M18: 11,803,272 km (0.077 R)
• M19: 12,581,031 km (0.032 R)
• M20: 15,882,208 km (0.106 R)
• M21: 18,493,588 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 11.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.78 AU - 4.18 AU

Year: 4403 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,586,542 km

• M1: 148,551 km (0.088 R)
• M2: 525,986 km (0.067 R)
• M3: 961,166 km (0.109 R)
• M4: 1,775,876 km (0.116 R)
• M5: 3,097,873 km (0.113 R)
• M6: 3,599,175 km (0.075 R)
• M7: 4,109,753 km (0.081 R)
• M8: 4,692,586 km (0.084 R)
• M9: 5,224,257 km (0.044 R)
• M10: 7,161,848 km (0.039 R)
• M11: 9,110,211 km (0.088 R)
• M12: 12,733,472 km (0.072 R)
• M13: 15,734,255 km (0.066 R)
• M14: 21,414,486 km (0.12 R)
• M15: 26,009,385 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.2

Radius: 5.6

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.81 AU - 7.81 AU

Year: 10751 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,586,542 km

• M1: 69,862 km (0.101 R)
• M2: 267,631 km (0.088 R)
• M3: 863,030 km (0.097 R)
• M4: 2,992,257 km (0.059 R)
• M5: 3,967,186 km (0.096 R)
• M6: 6,487,012 km (0.028 R)
• M7: 7,852,542 km (0.05 R)
• M8: 8,862,926 km (0.106 R)
• M9: 9,722,066 km (0.112 R)
• M10: 10,052,079 km (0.102 R)
• M11: 10,685,028 km (0.119 R)
• M12: 11,240,934 km (0.111 R)
• M13: 12,029,763 km (0.12 R)
• M14: 14,313,225 km (0.108 R)
• M15: 15,813,542 km (0.066 R)
• M16: 30,542,649 km (0.075 R)
• M17: 36,401,799 km (0.075 R)
• M18: 38,705,457 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.6

Radius: 3.5

Gravity: 34.66 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.28 AU - 9.98 AU

Year: 17195 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,586,542 km

• M1: 43,683 km (0.054 R)
• M2: 166,502 km (0.092 R)
• M3: 347,067 km (0.111 R)
• M4: 548,575 km (0.042 R)
• M5: 659,128 km (0.117 R)
• M6: 1,026,989 km (0.053 R)
• M7: 1,184,516 km (0.088 R)
• M8: 1,414,747 km (0.083 R)
• M9: 2,247,259 km (0.118 R)
• M10: 2,429,619 km (0.064 R)
• M11: 3,937,416 km (0.12 R)
• M12: 4,639,180 km (0.117 R)
• M13: 5,314,016 km (0.106 R)
• M14: 5,674,846 km (0.118 R)
• M15: 5,861,245 km (0.095 R)
• M16: 7,458,800 km (0.052 R)
• M17: 7,910,735 km (0.099 R)
• M18: 8,096,536 km (0.111 R)
• M19: 13,088,168 km (0.09 R)
• M20: 13,678,033 km (0.096 R)
• M21: 14,013,281 km (0.091 R)
• M22: 14,630,522 km (0.045 R)
• M23: 16,895,284 km (0.109 R)
• M24: 17,752,031 km (0.118 R)
• M25: 28,615,230 km (0.052 R)
• M26: 34,537,660 km (0.036 R)
• M27: 42,348,315 km (0.085 R)
• M28: 42,489,984 km (0.088 R)
• M29: 47,496,127 km (0.027 R)
• M30: 49,666,792 km (0.077 R)
• M31: 52,227,609 km (0.051 R)
• M32: 54,204,844 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.5

Radius: 3.6

Gravity: 44.71 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.67 AU - 9.85 AU

Year: 20681 Days

Day: 16.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,586,542 km

• M1: 44,730 km (0.083 R)
• M2: 217,814 km (0.102 R)
• M3: 399,726 km (0.102 R)
• M4: 607,068 km (0.109 R)
• M5: 871,408 km (0.11 R)
• M6: 1,166,564 km (0.12 R)
• M7: 1,278,613 km (0.067 R)
• M8: 1,607,878 km (0.108 R)
• M9: 2,278,376 km (0.065 R)
• M10: 2,454,602 km (0.114 R)
• M11: 2,663,740 km (0.119 R)
• M12: 2,834,431 km (0.078 R)
• M13: 3,170,876 km (0.047 R)
• M14: 3,709,728 km (0.106 R)
• M15: 4,407,153 km (0.089 R)
• M16: 5,113,405 km (0.076 R)
• M17: 6,015,031 km (0.099 R)
• M18: 7,391,332 km (0.05 R)
• M19: 8,127,204 km (0.05 R)
• M20: 9,459,821 km (0.05 R)
• M21: 10,565,350 km (0.113 R)
• M22: 11,624,951 km (0.089 R)
• M23: 13,308,975 km (0.115 R)
• M24: 19,053,533 km (0.105 R)
• M25: 20,334,539 km (0.082 R)
• M26: 22,662,282 km (0.097 R)
• M27: 27,608,586 km (0.075 R)
• M28: 30,087,872 km (0.05 R)
• M29: 33,618,980 km (0.099 R)
• M30: 35,619,552 km (0.12 R)
• M31: 37,276,199 km (0.078 R)
• M32: 37,981,254 km (0.078 R)
• M33: 39,272,882 km (0.063 R)
• M34: 40,149,974 km (0.102 R)
• M35: 45,849,204 km (0.099 R)
• M36: 55,281,200 km (0.114 R)
• M37: 61,518,085 km (0.108 R)
• M38: 71,835,551 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 15,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit