🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 15

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.78 AU - 0.86 AU

Year: 495 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,927,117 km

• M1: 186,549 km (0.116 R)
• M2: 685,308 km (0.111 R)
• M3: 1,267,992 km (0.112 R)
• M4: 1,985,313 km (0.074 R)
• M5: 2,735,547 km (0.078 R)
• M6: 3,631,040 km (0.108 R)
• M7: 4,263,390 km (0.065 R)
• M8: 5,804,846 km (0.113 R)
• M9: 6,793,090 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 12.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.91 AU - 1.13 AU

Year: 687 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,927,117 km

• M1: 160,519 km (0.1 R)
• M2: 566,078 km (0.091 R)
• M3: 993,031 km (0.119 R)
• M4: 1,489,247 km (0.055 R)
• M5: 1,894,807 km (0.097 R)
• M6: 2,527,755 km (0.112 R)
• M7: 2,992,406 km (0.083 R)
• M8: 3,538,738 km (0.091 R)
• M9: 4,137,428 km (0.026 R)
• M10: 5,226,351 km (0.081 R)
• M11: 5,725,859 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 9.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.35 AU - 1.43 AU

Year: 1093 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,927,117 km

• M1: 121,922 km (0.084 R)
• M2: 482,902 km (0.098 R)
• M3: 800,498 km (0.079 R)
• M4: 1,312,572 km (0.106 R)
• M5: 1,805,198 km (0.045 R)
• M6: 2,149,572 km (0.108 R)
• M7: 2,471,955 km (0.071 R)
• M8: 2,985,674 km (0.076 R)
• M9: 3,389,140 km (0.092 R)
• M10: 4,823,634 km (0.062 R)
• M11: 5,513,280 km (0.113 R)
• M12: 7,293,345 km (0.07 R)
• M13: 8,077,986 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 13.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.87 AU - 2.37 AU

Year: 2058 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,927,117 km

• M1: 169,195 km (0.088 R)
• M2: 598,242 km (0.081 R)
• M3: 1,194,240 km (0.072 R)
• M4: 1,747,902 km (0.099 R)
• M5: 2,244,566 km (0.075 R)
• M6: 3,494,157 km (0.106 R)
• M7: 3,917,819 km (0.102 R)
• M8: 5,258,964 km (0.088 R)
• M9: 5,869,173 km (0.056 R)
• M10: 8,369,402 km (0.076 R)
• M11: 11,114,972 km (0.058 R)
• M12: 11,916,518 km (0.116 R)
• M13: 12,756,360 km (0.095 R)
• M14: 14,227,954 km (0.115 R)
• M15: 14,885,437 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.9

Radius: 9.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.2 AU - 3.26 AU

Year: 3871 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,927,117 km

• M1: 118,182 km (0.108 R)
• M2: 434,432 km (0.033 R)
• M3: 794,215 km (0.118 R)
• M4: 1,163,423 km (0.095 R)
• M5: 1,563,896 km (0.082 R)
• M6: 1,894,956 km (0.039 R)
• M7: 2,442,933 km (0.103 R)
• M8: 3,787,369 km (0.114 R)
• M9: 4,429,294 km (0.03 R)
• M10: 5,183,865 km (0.106 R)
• M11: 5,548,136 km (0.097 R)
• M12: 5,860,945 km (0.103 R)
• M13: 6,304,204 km (0.107 R)
• M14: 11,648,438 km (0.12 R)
• M15: 12,539,892 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.3

Radius: 4.8

Gravity: 27.44 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.2 AU - 6.46 AU

Year: 10620 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,927,117 km

• M1: 60,587 km (0.09 R)
• M2: 315,352 km (0.056 R)
• M3: 569,369 km (0.109 R)
• M4: 892,950 km (0.027 R)
• M5: 1,230,891 km (0.07 R)
• M6: 1,619,995 km (0.113 R)
• M7: 2,618,412 km (0.094 R)
• M8: 3,453,018 km (0.065 R)
• M9: 4,481,204 km (0.111 R)
• M10: 5,001,506 km (0.108 R)
• M11: 5,493,084 km (0.078 R)
• M12: 7,742,587 km (0.088 R)
• M13: 7,914,326 km (0.1 R)
• M14: 8,764,790 km (0.109 R)
• M15: 10,488,008 km (0.08 R)
• M16: 12,308,314 km (0.114 R)
• M17: 15,999,492 km (0.071 R)
• M18: 16,348,504 km (0.108 R)
• M19: 16,989,531 km (0.097 R)
• M20: 17,279,751 km (0.103 R)
• M21: 18,094,910 km (0.115 R)
• M22: 26,812,875 km (0.111 R)
• M23: 27,305,202 km (0.032 R)
• M24: 28,613,585 km (0.059 R)
• M25: 30,068,723 km (0.113 R)
• M26: 30,280,554 km (0.105 R)
• M27: 33,806,725 km (0.103 R)
• M28: 34,265,841 km (0.078 R)
• M29: 39,214,239 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.3

Radius: 7.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.5 AU - 9.58 AU

Year: 16642 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,927,117 km

• M1: 93,349 km (0.062 R)
• M2: 387,608 km (0.085 R)
• M3: 758,012 km (0.115 R)
• M4: 1,187,209 km (0.11 R)
• M5: 1,753,885 km (0.099 R)
• M6: 3,261,383 km (0.085 R)
• M7: 3,840,925 km (0.079 R)
• M8: 4,425,404 km (0.059 R)
• M9: 5,000,907 km (0.114 R)
• M10: 6,107,632 km (0.117 R)
• M11: 6,617,312 km (0.068 R)
• M12: 7,240,238 km (0.089 R)
• M13: 7,588,053 km (0.074 R)
• M14: 8,411,589 km (0.07 R)
• M15: 8,992,926 km (0.076 R)
• M16: 9,293,469 km (0.086 R)
• M17: 10,020,813 km (0.119 R)
• M18: 11,588,599 km (0.12 R)
• M19: 15,273,045 km (0.112 R)
• M20: 16,581,727 km (0.098 R)
• M21: 20,693,724 km (0.109 R)
• M22: 21,931,197 km (0.099 R)
• M23: 22,476,332 km (0.118 R)
• M24: 30,297,159 km (0.109 R)
• M25: 32,239,089 km (0.104 R)
• M26: 33,419,267 km (0.094 R)
• M27: 42,080,086 km (0.099 R)
• M28: 45,513,656 km (0.101 R)
• M29: 46,848,069 km (0.108 R)
• M30: 52,932,514 km (0.117 R)
• M31: 54,242,542 km (0.059 R)
• M32: 54,573,303 km (0.099 R)
• M33: 54,905,560 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit