🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 11.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.06 AU - 1.12 AU

Year: 759 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,623,432 km

• M1: 138,079 km (0.092 R)
• M2: 508,184 km (0.107 R)
• M3: 1,008,140 km (0.088 R)
• M4: 1,423,274 km (0.09 R)
• M5: 1,935,048 km (0.049 R)
• M6: 2,342,254 km (0.06 R)
• M7: 2,842,360 km (0.025 R)
• M8: 3,521,983 km (0.077 R)
• M9: 4,800,895 km (0.069 R)
• M10: 5,295,615 km (0.106 R)
• M11: 6,101,499 km (0.058 R)
• M12: 6,790,547 km (0.078 R)
• M13: 7,415,267 km (0.082 R)
• M14: 8,373,741 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 10

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.81 AU - 1.89 AU

Year: 1678 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,623,432 km

• M1: 124,465 km (0.107 R)
• M2: 762,500 km (0.092 R)
• M3: 1,160,879 km (0.11 R)
• M4: 3,246,723 km (0.118 R)
• M5: 3,788,566 km (0.119 R)
• M6: 4,820,043 km (0.045 R)
• M7: 5,426,214 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 13.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.05 AU - 3.71 AU

Year: 4144 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,623,432 km

• M1: 175,478 km (0.079 R)
• M2: 610,808 km (0.031 R)
• M3: 1,123,480 km (0.105 R)
• M4: 1,615,507 km (0.078 R)
• M5: 2,979,391 km (0.096 R)
• M6: 3,540,682 km (0.098 R)
• M7: 4,241,548 km (0.064 R)
• M8: 4,929,100 km (0.109 R)
• M9: 5,382,083 km (0.05 R)
• M10: 6,009,795 km (0.082 R)
• M11: 6,559,268 km (0.045 R)
• M12: 7,937,065 km (0.102 R)
• M13: 10,077,960 km (0.114 R)
• M14: 11,304,812 km (0.054 R)
• M15: 12,530,916 km (0.108 R)
• M16: 13,791,876 km (0.09 R)
• M17: 14,372,765 km (0.075 R)
• M18: 14,914,908 km (0.094 R)
• M19: 17,648,510 km (0.098 R)
• M20: 20,495,955 km (0.058 R)
• M21: 23,862,207 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 9.6

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.48 AU - 5.58 AU

Year: 7523 Days

Day: 11.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,623,432 km

• M1: 119,828 km (0.116 R)
• M2: 512,074 km (0.09 R)
• M3: 969,394 km (0.117 R)
• M4: 1,334,413 km (0.077 R)
• M5: 1,745,508 km (0.1 R)
• M6: 5,162,922 km (0.05 R)
• M7: 5,658,539 km (0.067 R)
• M8: 6,350,280 km (0.068 R)
• M9: 7,338,524 km (0.113 R)
• M10: 11,404,145 km (0.053 R)
• M11: 11,946,736 km (0.065 R)
• M12: 12,726,291 km (0.058 R)
• M13: 15,876,972 km (0.096 R)
• M14: 18,871,921 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 5.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.17 AU - 11.15 AU

Year: 20021 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,623,432 km

• M1: 71,059 km (0.118 R)
• M2: 381,624 km (0.055 R)
• M3: 642,074 km (0.08 R)
• M4: 1,441,375 km (0.095 R)
• M5: 2,287,202 km (0.082 R)
• M6: 2,866,894 km (0.092 R)
• M7: 3,470,371 km (0.025 R)
• M8: 4,474,323 km (0.108 R)
• M9: 4,984,152 km (0.117 R)
• M10: 5,344,982 km (0.112 R)
• M11: 6,357,910 km (0.117 R)
• M12: 8,088,009 km (0.091 R)
• M13: 13,165,211 km (0.05 R)
• M14: 17,322,536 km (0.063 R)
• M15: 26,447,707 km (0.089 R)
• M16: 27,450,461 km (0.114 R)
• M17: 34,324,932 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.3

Radius: 7.8

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.02 AU - 12.98 AU

Year: 24329 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,623,432 km

• M1: 96,939 km (0.12 R)
• M2: 437,873 km (0.103 R)
• M3: 920,625 km (0.069 R)
• M4: 1,476,232 km (0.105 R)
• M5: 1,898,547 km (0.027 R)
• M6: 2,470,609 km (0.063 R)
• M7: 2,985,076 km (0.072 R)
• M8: 4,474,921 km (0.108 R)
• M9: 5,198,975 km (0.052 R)
• M10: 5,998,725 km (0.049 R)
• M11: 6,926,531 km (0.037 R)
• M12: 7,578,927 km (0.116 R)
• M13: 8,271,715 km (0.108 R)
• M14: 9,538,959 km (0.083 R)
• M15: 10,603,497 km (0.069 R)
• M16: 11,744,929 km (0.12 R)
• M17: 16,692,729 km (0.111 R)
• M18: 21,804,937 km (0.105 R)
• M19: 22,657,495 km (0.116 R)
• M20: 28,370,937 km (0.107 R)
• M21: 28,622,710 km (0.057 R)
• M22: 29,773,716 km (0.045 R)
• M23: 39,958,489 km (0.055 R)
• M24: 40,912,624 km (0.028 R)
• M25: 55,515,919 km (0.092 R)
• M26: 58,312,951 km (0.093 R)
• M27: 62,257,248 km (0.111 R)
• M28: 69,296,277 km (0.085 R)
• M29: 76,603,684 km (0.118 R)
• M30: 81,327,087 km (0.097 R)
• M31: 82,345,550 km (0.095 R)
• M32: 83,889,250 km (0.081 R)
• M33: 85,190,452 km (0.056 R)
• M34: 90,257,332 km (0.114 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: 547 - 14,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit