🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.1

Radius: 12.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,535,636 km

• M1: 156,629 km (0.11 R)
• M2: 553,811 km (0.113 R)
• M3: 1,209,499 km (0.119 R)
• M4: 1,643,183 km (0.076 R)
• M5: 2,148,973 km (0.115 R)
• M6: 2,738,838 km (0.101 R)
• M7: 3,266,918 km (0.115 R)
• M8: 3,987,531 km (0.089 R)
• M9: 4,392,941 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 12.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 599 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,535,636 km

• M1: 157,377 km (0.072 R)
• M2: 588,668 km (0.114 R)
• M3: 995,424 km (0.106 R)
• M4: 1,396,197 km (0.076 R)
• M5: 1,808,788 km (0.063 R)
• M6: 3,292,799 km (0.095 R)
• M7: 3,719,901 km (0.106 R)
• M8: 4,154,931 km (0.095 R)
• M9: 4,561,389 km (0.083 R)
• M10: 5,213,037 km (0.116 R)
• M11: 5,925,871 km (0.097 R)
• M12: 6,561,961 km (0.107 R)
• M13: 7,286,015 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 12.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.27 AU - 1.59 AU

Year: 1180 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,535,636 km

• M1: 160,668 km (0.054 R)
• M2: 571,015 km (0.034 R)
• M3: 1,044,642 km (0.043 R)
• M4: 1,689,858 km (0.109 R)
• M5: 2,631,576 km (0.105 R)
• M6: 3,286,366 km (0.115 R)
• M7: 4,006,081 km (0.086 R)
• M8: 4,628,259 km (0.1 R)
• M9: 5,297,410 km (0.1 R)
• M10: 5,867,677 km (0.113 R)
• M11: 6,270,395 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 12.8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.75 AU - 2.75 AU

Year: 2330 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,535,636 km

• M1: 159,172 km (0.108 R)
• M2: 730,038 km (0.118 R)
• M3: 1,486,255 km (0.07 R)
• M4: 1,958,535 km (0.086 R)
• M5: 2,736,145 km (0.092 R)
• M6: 4,036,899 km (0.053 R)
• M7: 5,251,334 km (0.027 R)
• M8: 6,529,797 km (0.106 R)
• M9: 7,571,896 km (0.113 R)
• M10: 8,654,985 km (0.043 R)
• M11: 9,061,143 km (0.101 R)
• M12: 10,169,663 km (0.095 R)
• M13: 10,814,879 km (0.096 R)
• M14: 11,406,838 km (0.113 R)
• M15: 12,526,578 km (0.085 R)
• M16: 13,224,003 km (0.056 R)
• M17: 14,648,923 km (0.098 R)
• M18: 15,081,111 km (0.068 R)
• M19: 15,521,976 km (0.109 R)
• M20: 16,791,763 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.1

Radius: 11.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.88 AU - 3.1 AU

Year: 2712 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,535,636 km

• M1: 144,212 km (0.033 R)
• M2: 1,015,770 km (0.12 R)
• M3: 1,523,206 km (0.084 R)
• M4: 2,011,643 km (0.099 R)
• M5: 2,879,460 km (0.095 R)
• M6: 4,119,477 km (0.083 R)
• M7: 8,941,315 km (0.083 R)
• M8: 11,746,275 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 14

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.65 AU - 2.79 AU

Year: 3096 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,535,636 km

• M1: 180,116 km (0.085 R)
• M2: 632,649 km (0.094 R)
• M3: 1,203,964 km (0.099 R)
• M4: 1,934,450 km (0.095 R)
• M5: 2,867,342 km (0.058 R)
• M6: 3,745,183 km (0.057 R)
• M7: 4,418,373 km (0.108 R)
• M8: 5,341,392 km (0.112 R)
• M9: 6,142,339 km (0.092 R)
• M10: 8,684,755 km (0.064 R)
• M11: 9,571,721 km (0.102 R)
• M12: 10,208,858 km (0.069 R)
• M13: 12,642,516 km (0.053 R)
• M14: 13,181,218 km (0.114 R)
• M15: 13,688,654 km (0.113 R)
• M16: 14,989,407 km (0.102 R)
• M17: 16,423,752 km (0.061 R)
• M18: 17,558,302 km (0.06 R)
• M19: 18,802,358 km (0.1 R)

Asteroid Belt

Center: 3.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 9.5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.04 AU - 4.52 AU

Year: 6112 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,535,636 km

• M1: 118,182 km (0.102 R)
• M2: 518,656 km (0.095 R)
• M3: 986,299 km (0.119 R)
• M4: 1,967,511 km (0.075 R)
• M5: 2,546,904 km (0.112 R)
• M6: 2,867,492 km (0.088 R)
• M7: 3,613,686 km (0.103 R)
• M8: 4,537,603 km (0.119 R)
• M9: 4,897,236 km (0.074 R)
• M10: 5,457,181 km (0.082 R)
• M11: 6,775,587 km (0.077 R)
• M12: 7,395,969 km (0.092 R)
• M13: 8,213,970 km (0.063 R)
• M14: 9,396,990 km (0.031 R)
• M15: 10,835,224 km (0.113 R)
• M16: 13,455,880 km (0.058 R)
• M17: 13,796,364 km (0.113 R)
• M18: 14,553,928 km (0.075 R)
• M19: 14,973,251 km (0.1 R)
• M20: 15,462,286 km (0.056 R)
• M21: 16,279,539 km (0.095 R)
• M22: 17,727,946 km (0.037 R)
• M23: 22,033,971 km (0.048 R)
• M24: 22,587,035 km (0.094 R)
• M25: 24,554,097 km (0.048 R)
• M26: 25,752,825 km (0.062 R)
• M27: 27,170,115 km (0.058 R)
• M28: 28,452,318 km (0.081 R)
• M29: 29,678,572 km (0.11 R)
• M30: 30,062,889 km (0.072 R)
• M31: 36,233,502 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 5.4

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.81 AU - 7.15 AU

Year: 11386 Days

Day: 15.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 131.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,535,636 km

• M1: 83,924 km (0.089 R)
• M2: 395,986 km (0.031 R)
• M3: 731,085 km (0.091 R)
• M4: 1,437,187 km (0.063 R)
• M5: 2,007,603 km (0.108 R)
• M6: 2,193,105 km (0.065 R)
• M7: 2,677,802 km (0.06 R)
• M8: 3,806,368 km (0.094 R)
• M9: 4,419,420 km (0.119 R)
• M10: 5,411,105 km (0.094 R)
• M11: 6,616,265 km (0.098 R)
• M12: 6,877,313 km (0.089 R)
• M13: 7,301,124 km (0.083 R)
• M14: 9,733,735 km (0.068 R)
• M15: 10,924,235 km (0.083 R)
• M16: 16,321,876 km (0.115 R)
• M17: 17,923,022 km (0.116 R)
• M18: 20,164,895 km (0.102 R)
• M19: 21,031,815 km (0.117 R)
• M20: 25,558,946 km (0.103 R)
• M21: 29,677,674 km (0.075 R)
• M22: 30,081,888 km (0.11 R)
• M23: 30,901,385 km (0.092 R)
• M24: 31,525,657 km (0.091 R)
• M25: 33,667,450 km (0.087 R)
• M26: 34,885,775 km (0.103 R)
• M27: 35,449,160 km (0.109 R)
• M28: 37,763,439 km (0.071 R)
• M29: 41,170,082 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.6

Radius: 3.5

Gravity: 66.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.51 AU - 7.91 AU

Year: 13363 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,535,636 km

• M1: 43,982 km (0.09 R)
• M2: 157,975 km (0.094 R)
• M3: 402,119 km (0.08 R)
• M4: 528,080 km (0.107 R)
• M5: 1,703,770 km (0.06 R)
• M6: 2,193,703 km (0.107 R)
• M7: 2,397,007 km (0.085 R)
• M8: 2,748,412 km (0.048 R)
• M9: 2,888,735 km (0.078 R)
• M10: 3,525,423 km (0.117 R)
• M11: 3,719,302 km (0.111 R)
• M12: 3,862,168 km (0.103 R)
• M13: 4,406,854 km (0.086 R)
• M14: 4,966,799 km (0.036 R)
• M15: 5,835,813 km (0.03 R)
• M16: 6,717,393 km (0.077 R)
• M17: 7,456,706 km (0.076 R)
• M18: 7,592,541 km (0.049 R)
• M19: 11,075,628 km (0.068 R)
• M20: 11,491,510 km (0.108 R)
• M21: 17,087,218 km (0.051 R)
• M22: 19,039,471 km (0.056 R)
• M23: 19,635,618 km (0.111 R)
• M24: 20,244,182 km (0.077 R)
• M25: 22,899,844 km (0.102 R)
• M26: 23,866,844 km (0.117 R)
• M27: 25,265,884 km (0.118 R)
• M28: 28,007,414 km (0.101 R)
• M29: 28,446,185 km (0.089 R)
• M30: 32,602,014 km (0.079 R)
• M31: 34,572,367 km (0.052 R)
• M32: 36,751,111 km (0.09 R)
• M33: 40,676,110 km (0.102 R)
• M34: 43,980,727 km (0.078 R)
• M35: 49,186,733 km (0.063 R)
• M36: 49,345,755 km (0.105 R)
• M37: 55,302,294 km (0.078 R)
• M38: 56,688,019 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 14,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit