🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.45 AU - 0.65 AU

Year: 282 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,243,488 km

• M1: 111,899 km (0.1 R)
• M2: 434,283 km (0.072 R)
• M3: 748,438 km (0.045 R)
• M4: 1,094,608 km (0.072 R)
• M5: 1,393,205 km (0.062 R)
• M6: 1,819,409 km (0.109 R)
• M7: 2,152,863 km (0.115 R)
• M8: 2,443,980 km (0.106 R)
• M9: 2,752,601 km (0.119 R)
• M10: 3,224,881 km (0.116 R)
• M11: 3,673,376 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 12.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.52 AU - 0.58 AU

Year: 282 Days

Day: 5.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,243,488 km

• M1: 153,039 km (0.089 R)
• M2: 549,024 km (0.066 R)
• M3: 998,865 km (0.091 R)
• M4: 1,521,261 km (0.074 R)
• M5: 2,308,744 km (0.03 R)
• M6: 3,065,111 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.2

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.97 AU - 1.55 AU

Year: 976 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 46,243,488 km

• M1: 166,652 km (0.036 R)
• M2: 2,002,816 km (0.111 R)
• M3: 3,449,278 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 12

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.8 AU - 1.84 AU

Year: 1695 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,243,488 km

• M1: 149,299 km (0.069 R)
• M2: 736,919 km (0.101 R)
• M3: 1,185,414 km (0.119 R)
• M4: 1,575,714 km (0.057 R)
• M5: 1,954,795 km (0.109 R)
• M6: 2,334,026 km (0.08 R)
• M7: 4,265,484 km (0.036 R)
• M8: 4,994,923 km (0.113 R)
• M9: 5,444,914 km (0.107 R)
• M10: 6,856,370 km (0.087 R)
• M11: 7,773,405 km (0.116 R)
• M12: 8,203,349 km (0.086 R)
• M13: 9,427,807 km (0.119 R)
• M14: 10,017,073 km (0.111 R)
• M15: 11,269,507 km (0.117 R)
• M16: 13,259,158 km (0.084 R)
• M17: 14,337,310 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 9.1

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.58 AU - 2.2 AU

Year: 1794 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,243,488 km

• M1: 113,096 km (0.115 R)
• M2: 471,981 km (0.079 R)
• M3: 1,115,851 km (0.036 R)
• M4: 1,454,241 km (0.1 R)
• M5: 1,894,807 km (0.08 R)
• M6: 2,937,205 km (0.111 R)
• M7: 4,362,872 km (0.072 R)
• M8: 6,726,070 km (0.102 R)
• M9: 7,336,130 km (0.072 R)
• M10: 8,043,130 km (0.086 R)
• M11: 8,382,118 km (0.058 R)
• M12: 8,762,695 km (0.053 R)
• M13: 11,066,353 km (0.099 R)
• M14: 12,276,450 km (0.065 R)
• M15: 13,145,015 km (0.083 R)
• M16: 14,501,120 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 10.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.94 AU - 2.38 AU

Year: 2191 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,243,488 km

• M1: 135,685 km (0.104 R)
• M2: 585,077 km (0.074 R)
• M3: 1,030,729 km (0.108 R)
• M4: 1,429,707 km (0.108 R)
• M5: 1,932,655 km (0.05 R)
• M6: 2,632,474 km (0.03 R)
• M7: 3,034,294 km (0.108 R)
• M8: 3,731,868 km (0.109 R)
• M9: 4,337,291 km (0.108 R)
• M10: 5,628,171 km (0.102 R)
• M11: 6,578,267 km (0.119 R)
• M12: 7,379,364 km (0.111 R)
• M13: 7,774,901 km (0.068 R)
• M14: 8,125,259 km (0.115 R)
• M15: 8,889,105 km (0.089 R)
• M16: 9,369,913 km (0.109 R)
• M17: 9,766,946 km (0.112 R)
• M18: 10,140,940 km (0.057 R)
• M19: 11,581,867 km (0.091 R)
• M20: 12,039,637 km (0.107 R)
• M21: 12,708,938 km (0.115 R)
• M22: 13,737,872 km (0.102 R)
• M23: 14,078,656 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.3

Radius: 8.2

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.66 AU - 2.78 AU

Year: 3096 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,243,488 km

• M1: 102,026 km (0.111 R)
• M2: 424,559 km (0.04 R)
• M3: 984,055 km (0.094 R)
• M4: 2,149,273 km (0.078 R)
• M5: 2,419,596 km (0.071 R)
• M6: 2,852,233 km (0.075 R)
• M7: 3,606,356 km (0.062 R)
• M8: 5,654,052 km (0.111 R)
• M9: 7,217,948 km (0.086 R)
• M10: 8,810,417 km (0.094 R)
• M11: 9,225,102 km (0.103 R)
• M12: 11,577,978 km (0.042 R)
• M13: 12,630,847 km (0.103 R)
• M14: 14,116,653 km (0.088 R)
• M15: 15,665,440 km (0.119 R)
• M16: 17,593,458 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.9

Radius: 5

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.99 AU - 7.87 AU

Year: 12592 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,243,488 km

• M1: 62,682 km (0.118 R)
• M2: 404,662 km (0.09 R)
• M3: 560,693 km (0.095 R)
• M4: 810,072 km (0.106 R)
• M5: 1,372,411 km (0.056 R)
• M6: 2,042,161 km (0.072 R)
• M7: 2,973,706 km (0.083 R)
• M8: 3,175,664 km (0.043 R)
• M9: 3,837,335 km (0.091 R)
• M10: 6,518,278 km (0.108 R)
• M11: 6,744,770 km (0.099 R)
• M12: 8,887,609 km (0.095 R)
• M13: 9,643,677 km (0.089 R)
• M14: 14,265,055 km (0.062 R)
• M15: 16,451,727 km (0.111 R)
• M16: 17,371,155 km (0.063 R)
• M17: 20,495,207 km (0.112 R)
• M18: 27,925,734 km (0.063 R)
• M19: 29,744,545 km (0.118 R)
• M20: 30,367,919 km (0.073 R)
• M21: 31,212,698 km (0.069 R)
• M22: 33,392,788 km (0.117 R)
• M23: 37,328,409 km (0.109 R)
• M24: 38,297,354 km (0.055 R)
• M25: 42,602,930 km (0.118 R)
• M26: 46,105,017 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 18,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit