🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 10.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,234,918 km

• M1: 134,339 km (0.079 R)
• M2: 514,317 km (0.11 R)
• M3: 1,062,444 km (0.073 R)
• M4: 1,498,522 km (0.1 R)
• M5: 2,008,950 km (0.067 R)
• M6: 2,493,348 km (0.072 R)
• M7: 3,045,065 km (0.12 R)
• M8: 3,446,137 km (0.116 R)
• M9: 3,929,188 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.8

Radius: 12.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.66 AU - 0.94 AU

Year: 503 Days

Day: 5.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,234,918 km

• M1: 153,039 km (0.04 R)
• M2: 605,123 km (0.116 R)
• M3: 1,050,626 km (0.069 R)
• M4: 1,474,137 km (0.071 R)
• M5: 2,191,010 km (0.073 R)
• M6: 2,578,768 km (0.114 R)
• M7: 3,432,972 km (0.088 R)
• M8: 4,158,522 km (0.068 R)
• M9: 4,697,224 km (0.091 R)
• M10: 5,265,396 km (0.099 R)
• M11: 5,788,390 km (0.119 R)
• M12: 6,837,819 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 11.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.63 AU - 2.37 AU

Year: 1988 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,234,918 km

• M1: 140,472 km (0.03 R)
• M2: 575,054 km (0.049 R)
• M3: 941,270 km (0.103 R)
• M4: 1,308,383 km (0.083 R)
• M5: 2,070,435 km (0.061 R)
• M6: 2,594,177 km (0.12 R)
• M7: 3,107,746 km (0.099 R)
• M8: 4,024,183 km (0.07 R)
• M9: 4,932,990 km (0.116 R)
• M10: 7,154,817 km (0.053 R)
• M11: 8,842,880 km (0.119 R)
• M12: 9,483,458 km (0.067 R)
• M13: 10,190,906 km (0.119 R)
• M14: 10,669,470 km (0.075 R)
• M15: 12,442,803 km (0.1 R)
• M16: 15,773,599 km (0.096 R)
• M17: 17,434,734 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 9.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.66 AU - 4.06 AU

Year: 5331 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,234,918 km

• M1: 120,875 km (0.065 R)
• M2: 688,001 km (0.078 R)
• M3: 1,071,719 km (0.12 R)
• M4: 1,575,565 km (0.089 R)
• M5: 2,988,965 km (0.106 R)
• M6: 3,698,359 km (0.111 R)
• M7: 4,261,146 km (0.106 R)
• M8: 4,855,199 km (0.092 R)
• M9: 5,891,164 km (0.072 R)
• M10: 7,036,186 km (0.061 R)
• M11: 7,661,505 km (0.084 R)
• M12: 9,329,222 km (0.079 R)
• M13: 10,581,506 km (0.109 R)
• M14: 11,051,692 km (0.045 R)
• M15: 14,690,810 km (0.082 R)
• M16: 16,044,222 km (0.116 R)
• M17: 18,501,965 km (0.084 R)
• M18: 19,820,371 km (0.05 R)
• M19: 20,208,279 km (0.098 R)
• M20: 23,209,960 km (0.106 R)
• M21: 24,667,791 km (0.106 R)
• M22: 25,343,375 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 12.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.15 AU - 4.97 AU

Year: 5750 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,234,918 km

• M1: 169,195 km (0.105 R)
• M2: 550,969 km (0.111 R)
• M3: 933,491 km (0.119 R)
• M4: 1,735,634 km (0.101 R)
• M5: 2,185,774 km (0.091 R)
• M6: 2,647,733 km (0.059 R)
• M7: 3,250,014 km (0.099 R)
• M8: 4,324,126 km (0.118 R)
• M9: 4,730,733 km (0.082 R)
• M10: 5,649,264 km (0.117 R)
• M11: 6,345,343 km (0.113 R)
• M12: 6,745,817 km (0.118 R)
• M13: 7,261,929 km (0.115 R)
• M14: 8,228,780 km (0.065 R)
• M15: 9,357,796 km (0.063 R)
• M16: 10,166,073 km (0.027 R)
• M17: 11,420,002 km (0.046 R)
• M18: 12,154,677 km (0.106 R)
• M19: 12,581,630 km (0.026 R)
• M20: 13,516,018 km (0.077 R)
• M21: 14,922,537 km (0.065 R)
• M22: 16,597,435 km (0.098 R)
• M23: 17,842,239 km (0.085 R)
• M24: 19,404,041 km (0.101 R)
• M25: 21,259,653 km (0.085 R)
• M26: 21,950,047 km (0.104 R)
• M27: 24,938,563 km (0.107 R)
• M28: 25,784,390 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 12.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.56 AU - 4.96 AU

Year: 6180 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,234,918 km

• M1: 155,432 km (0.04 R)
• M2: 654,042 km (0.063 R)
• M3: 1,162,824 km (0.082 R)
• M4: 1,666,371 km (0.109 R)
• M5: 2,066,545 km (0.096 R)
• M6: 3,268,564 km (0.118 R)
• M7: 3,952,376 km (0.086 R)
• M8: 6,292,236 km (0.101 R)
• M9: 8,021,438 km (0.081 R)
• M10: 9,871,066 km (0.104 R)
• M11: 10,966,422 km (0.104 R)
• M12: 13,129,607 km (0.101 R)
• M13: 14,340,003 km (0.063 R)
• M14: 17,173,237 km (0.11 R)
• M15: 21,604,924 km (0.106 R)
• M16: 22,360,095 km (0.112 R)
• M17: 22,821,604 km (0.104 R)
• M18: 24,325,212 km (0.057 R)
• M19: 25,060,037 km (0.119 R)
• M20: 25,474,573 km (0.071 R)
• M21: 31,964,876 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 10.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.66 AU - 5.82 AU

Year: 8432 Days

Day: 12.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,234,918 km

• M1: 125,662 km (0.07 R)
• M2: 763,697 km (0.111 R)
• M3: 1,086,679 km (0.116 R)
• M4: 2,475,246 km (0.085 R)
• M5: 5,576,410 km (0.059 R)
• M6: 6,081,004 km (0.109 R)
• M7: 6,831,985 km (0.105 R)
• M8: 14,534,780 km (0.045 R)
• M9: 15,929,929 km (0.04 R)
• M10: 19,487,217 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit