🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 13.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.74 AU - 0.84 AU

Year: 468 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,858,091 km

• M1: 167,849 km (0.11 R)
• M2: 608,863 km (0.113 R)
• M3: 1,313,619 km (0.094 R)
• M4: 2,514,291 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.8

Radius: 13.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.95 AU - 1.11 AU

Year: 697 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,858,091 km

• M1: 170,691 km (0.073 R)
• M2: 761,752 km (0.115 R)
• M3: 1,253,630 km (0.034 R)
• M4: 2,321,011 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 9.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.92 AU - 1.28 AU

Year: 769 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,858,091 km

• M1: 119,379 km (0.064 R)
• M2: 440,117 km (0.108 R)
• M3: 781,948 km (0.096 R)
• M4: 1,320,201 km (0.081 R)
• M5: 1,745,807 km (0.107 R)
• M6: 2,073,127 km (0.081 R)
• M7: 2,421,092 km (0.102 R)
• M8: 3,273,949 km (0.065 R)
• M9: 4,003,538 km (0.092 R)
• M10: 5,226,351 km (0.067 R)
• M11: 5,895,652 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 13.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.26 AU - 1.36 AU

Year: 1000 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,858,091 km

• M1: 170,392 km (0.1 R)
• M2: 709,842 km (0.055 R)
• M3: 1,230,742 km (0.107 R)
• M4: 1,800,111 km (0.102 R)
• M5: 2,416,006 km (0.08 R)
• M6: 3,047,907 km (0.062 R)
• M7: 3,867,105 km (0.057 R)
• M8: 4,415,680 km (0.108 R)
• M9: 5,386,271 km (0.057 R)
• M10: 5,965,215 km (0.025 R)
• M11: 6,449,164 km (0.052 R)
• M12: 7,571,597 km (0.103 R)
• M13: 8,060,932 km (0.108 R)
• M14: 9,246,794 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 10.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.6 AU - 3.44 AU

Year: 3500 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,858,091 km

• M1: 133,441 km (0.115 R)
• M2: 499,058 km (0.105 R)
• M3: 1,057,358 km (0.078 R)
• M4: 1,610,571 km (0.109 R)
• M5: 1,972,298 km (0.112 R)
• M6: 2,311,138 km (0.089 R)
• M7: 3,417,713 km (0.084 R)
• M8: 4,195,173 km (0.062 R)
• M9: 4,574,553 km (0.108 R)
• M10: 4,933,289 km (0.1 R)
• M11: 5,471,991 km (0.108 R)
• M12: 6,174,951 km (0.113 R)
• M13: 7,701,747 km (0.057 R)
• M14: 9,001,902 km (0.047 R)
• M15: 9,636,048 km (0.116 R)
• M16: 10,697,594 km (0.112 R)
• M17: 11,332,787 km (0.082 R)
• M18: 12,231,870 km (0.096 R)
• M19: 13,518,262 km (0.103 R)
• M20: 14,261,015 km (0.116 R)
• M21: 15,780,032 km (0.056 R)
• M22: 16,309,609 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.3

Radius: 4.9

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.71 AU - 6.93 AU

Year: 9363 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 38,858,091 km

• M1: 61,186 km (0.107 R)
• M2: 276,008 km (0.053 R)
• M3: 496,964 km (0.105 R)
• M4: 719,566 km (0.118 R)
• M5: 894,446 km (0.064 R)
• M6: 1,332,169 km (0.104 R)
• M7: 1,532,630 km (0.094 R)
• M8: 2,397,904 km (0.071 R)
• M9: 2,774,143 km (0.105 R)
• M10: 2,935,409 km (0.085 R)
• M11: 4,140,570 km (0.071 R)
• M12: 6,238,231 km (0.109 R)
• M13: 6,445,723 km (0.063 R)
• M14: 6,657,704 km (0.098 R)
• M15: 10,041,907 km (0.095 R)
• M16: 11,782,029 km (0.096 R)
• M17: 12,695,623 km (0.034 R)
• M18: 13,197,973 km (0.056 R)
• M19: 15,215,749 km (0.046 R)
• M20: 19,925,090 km (0.032 R)
• M21: 20,375,380 km (0.112 R)
• M22: 20,755,807 km (0.109 R)
• M23: 22,164,570 km (0.036 R)
• M24: 22,566,988 km (0.108 R)
• M25: 23,719,490 km (0.085 R)
• M26: 24,140,459 km (0.096 R)
• M27: 24,652,084 km (0.113 R)
• M28: 25,083,973 km (0.116 R)
• M29: 26,230,640 km (0.084 R)
• M30: 26,680,780 km (0.091 R)
• M31: 29,684,556 km (0.057 R)
• M32: 32,594,683 km (0.098 R)
• M33: 33,535,205 km (0.106 R)
• M34: 35,470,104 km (0.057 R)
• M35: 36,020,475 km (0.092 R)
• M36: 36,912,826 km (0.076 R)
• M37: 38,858,047 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 19,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit