🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 14.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.88 AU - 1.44 AU

Year: 807 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,063,530 km

• M1: 180,415 km (0.053 R)
• M2: 677,379 km (0.099 R)
• M3: 1,129,614 km (0.094 R)
• M4: 1,795,922 km (0.117 R)
• M5: 2,444,878 km (0.086 R)
• M6: 2,987,320 km (0.041 R)
• M7: 3,552,501 km (0.095 R)
• M8: 4,335,047 km (0.042 R)
• M9: 5,027,087 km (0.111 R)
• M10: 5,574,316 km (0.098 R)
• M11: 6,589,637 km (0.069 R)
• M12: 7,130,433 km (0.046 R)
• M13: 7,603,611 km (0.091 R)
• M14: 8,327,066 km (0.076 R)
• M15: 9,540,455 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 8.1

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.07 AU - 1.27 AU

Year: 817 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,063,530 km

• M1: 100,679 km (0.045 R)
• M2: 354,846 km (0.088 R)
• M3: 617,690 km (0.109 R)
• M4: 989,590 km (0.043 R)
• M5: 1,252,134 km (0.108 R)
• M6: 1,602,343 km (0.112 R)
• M7: 1,913,806 km (0.116 R)
• M8: 2,265,809 km (0.082 R)
• M9: 2,591,634 km (0.08 R)
• M10: 2,862,555 km (0.1 R)
• M11: 3,284,421 km (0.087 R)
• M12: 4,048,418 km (0.086 R)
• M13: 4,838,145 km (0.119 R)
• M14: 5,419,033 km (0.052 R)
• M15: 6,045,699 km (0.09 R)
• M16: 6,525,160 km (0.077 R)
• M17: 6,785,311 km (0.036 R)
• M18: 7,466,131 km (0.107 R)
• M19: 8,067,664 km (0.088 R)
• M20: 8,443,753 km (0.103 R)
• M21: 8,726,941 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 13.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.44 AU - 1.56 AU

Year: 1186 Days

Day: 13.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,063,530 km

• M1: 165,605 km (0.089 R)
• M2: 1,142,479 km (0.1 R)
• M3: 1,843,943 km (0.096 R)
• M4: 2,286,454 km (0.094 R)
• M5: 3,127,194 km (0.078 R)
• M6: 3,918,866 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 9.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.43 AU - 1.65 AU

Year: 1234 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,063,530 km

• M1: 115,639 km (0.102 R)
• M2: 432,188 km (0.082 R)
• M3: 778,807 km (0.057 R)
• M4: 1,149,211 km (0.112 R)
• M5: 1,583,942 km (0.082 R)
• M6: 1,909,467 km (0.053 R)
• M7: 2,749,160 km (0.036 R)
• M8: 3,167,137 km (0.084 R)
• M9: 3,897,922 km (0.071 R)
• M10: 4,736,867 km (0.117 R)
• M11: 5,421,277 km (0.109 R)
• M12: 5,862,591 km (0.093 R)
• M13: 7,132,976 km (0.12 R)
• M14: 7,637,570 km (0.066 R)
• M15: 8,411,439 km (0.098 R)
• M16: 10,558,169 km (0.094 R)
• M17: 11,114,075 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.7

Radius: 9.4

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.53 AU - 2.39 AU

Year: 1772 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,063,530 km

• M1: 116,836 km (0.109 R)
• M2: 489,185 km (0.089 R)
• M3: 1,037,012 km (0.082 R)
• M4: 1,970,054 km (0.051 R)
• M5: 2,396,109 km (0.082 R)
• M6: 3,368,346 km (0.088 R)
• M7: 4,092,998 km (0.052 R)
• M8: 4,482,551 km (0.088 R)
• M9: 5,004,348 km (0.069 R)
• M10: 6,244,365 km (0.104 R)
• M11: 6,551,489 km (0.106 R)
• M12: 8,897,184 km (0.069 R)
• M13: 9,452,641 km (0.112 R)
• M14: 10,346,638 km (0.097 R)
• M15: 12,583,126 km (0.105 R)
• M16: 14,448,162 km (0.104 R)
• M17: 15,261,676 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 7.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.84 AU - 8.4 AU

Year: 14940 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,063,530 km

• M1: 98,286 km (0.084 R)
• M2: 349,311 km (0.073 R)
• M3: 747,840 km (0.085 R)
• M4: 1,169,556 km (0.115 R)
• M5: 1,403,826 km (0.105 R)
• M6: 1,815,520 km (0.062 R)
• M7: 2,050,239 km (0.049 R)
• M8: 2,395,062 km (0.095 R)
• M9: 2,880,208 km (0.063 R)
• M10: 3,942,203 km (0.067 R)
• M11: 4,618,685 km (0.067 R)
• M12: 5,060,298 km (0.091 R)
• M13: 6,340,556 km (0.052 R)
• M14: 7,151,526 km (0.1 R)
• M15: 7,783,278 km (0.088 R)
• M16: 8,712,131 km (0.084 R)
• M17: 11,146,238 km (0.045 R)
• M18: 12,158,717 km (0.05 R)
• M19: 14,736,437 km (0.084 R)
• M20: 15,433,713 km (0.089 R)
• M21: 16,621,819 km (0.073 R)
• M22: 19,629,036 km (0.082 R)
• M23: 22,232,637 km (0.11 R)
• M24: 23,831,539 km (0.076 R)
• M25: 27,921,395 km (0.039 R)
• M26: 29,481,552 km (0.103 R)
• M27: 30,791,431 km (0.11 R)
• M28: 32,774,799 km (0.104 R)
• M29: 34,841,793 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 15,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit