🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 10.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 97.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,816,299 km

• M1: 126,859 km (0.112 R)
• M2: 583,731 km (0.03 R)
• M3: 953,088 km (0.066 R)
• M4: 1,334,413 km (0.071 R)
• M5: 1,659,489 km (0.118 R)
• M6: 2,229,158 km (0.103 R)
• M7: 3,472,316 km (0.073 R)
• M8: 4,027,025 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 13.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.36 AU - 2.52 AU

Year: 2631 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,816,299 km

• M1: 169,195 km (0.083 R)
• M2: 625,020 km (0.087 R)
• M3: 1,056,161 km (0.081 R)
• M4: 1,550,881 km (0.113 R)
• M5: 3,816,092 km (0.064 R)
• M6: 7,452,667 km (0.099 R)
• M7: 8,525,283 km (0.048 R)
• M8: 10,801,864 km (0.064 R)
• M9: 11,546,712 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.11 AU - 3.15 AU

Year: 2944 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,816,299 km

• M1: 187,745 km (0.106 R)
• M2: 692,339 km (0.088 R)
• M3: 2,033,035 km (0.107 R)
• M4: 3,184,191 km (0.087 R)
• M5: 4,170,190 km (0.107 R)
• M6: 4,873,001 km (0.072 R)
• M7: 5,602,739 km (0.105 R)
• M8: 6,129,174 km (0.115 R)
• M9: 6,980,985 km (0.111 R)
• M10: 7,623,208 km (0.11 R)
• M11: 10,016,325 km (0.105 R)
• M12: 11,077,124 km (0.097 R)
• M13: 11,655,918 km (0.101 R)
• M14: 12,518,051 km (0.103 R)
• M15: 13,514,971 km (0.099 R)
• M16: 14,711,455 km (0.049 R)
• M17: 15,462,586 km (0.061 R)
• M18: 16,503,787 km (0.103 R)
• M19: 19,075,673 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 11.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.07 AU - 5.17 AU

Year: 6854 Days

Day: 12.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,816,299 km

• M1: 138,528 km (0.083 R)
• M2: 549,623 km (0.102 R)
• M3: 1,244,654 km (0.094 R)
• M4: 2,761,128 km (0.084 R)
• M5: 3,223,086 km (0.098 R)
• M6: 5,036,960 km (0.105 R)
• M7: 6,718,889 km (0.107 R)
• M8: 9,577,405 km (0.101 R)
• M9: 11,832,294 km (0.043 R)
• M10: 12,181,156 km (0.116 R)
• M11: 12,639,674 km (0.078 R)
• M12: 14,196,240 km (0.068 R)
• M13: 14,818,866 km (0.086 R)
• M14: 15,283,068 km (0.114 R)
• M15: 19,216,445 km (0.071 R)
• M16: 22,235,031 km (0.049 R)
• M17: 23,230,006 km (0.105 R)
• M18: 24,334,338 km (0.112 R)
• M19: 26,904,130 km (0.112 R)
• M20: 30,854,561 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.9

Radius: 6.7

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.72 AU - 8.14 AU

Year: 15414 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,816,299 km

• M1: 83,476 km (0.109 R)
• M2: 299,645 km (0.077 R)
• M3: 774,618 km (0.12 R)
• M4: 1,064,688 km (0.118 R)
• M5: 1,311,225 km (0.084 R)
• M6: 1,595,910 km (0.071 R)
• M7: 1,958,087 km (0.116 R)
• M8: 2,438,146 km (0.111 R)
• M9: 3,170,876 km (0.103 R)
• M10: 4,322,331 km (0.096 R)
• M11: 4,582,332 km (0.105 R)
• M12: 5,924,375 km (0.108 R)
• M13: 6,286,851 km (0.08 R)
• M14: 7,649,538 km (0.102 R)
• M15: 8,275,754 km (0.093 R)
• M16: 9,304,988 km (0.06 R)
• M17: 10,533,036 km (0.033 R)
• M18: 12,969,537 km (0.067 R)
• M19: 13,580,794 km (0.079 R)
• M20: 14,282,558 km (0.085 R)
• M21: 16,064,717 km (0.1 R)
• M22: 16,611,348 km (0.075 R)
• M23: 17,413,491 km (0.078 R)
• M24: 18,409,813 km (0.089 R)
• M25: 19,974,906 km (0.051 R)
• M26: 21,252,023 km (0.1 R)
• M27: 23,967,823 km (0.099 R)
• M28: 29,725,845 km (0.086 R)
• M29: 31,508,603 km (0.093 R)
• M30: 39,777,625 km (0.113 R)
• M31: 41,065,663 km (0.102 R)
• M32: 41,939,763 km (0.092 R)
• M33: 42,529,179 km (0.052 R)
• M34: 43,875,859 km (0.029 R)
• M35: 46,653,891 km (0.033 R)
• M36: 49,875,631 km (0.114 R)
• M37: 53,242,630 km (0.025 R)
• M38: 62,891,842 km (0.118 R)
• M39: 65,030,643 km (0.116 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: 147 - 11,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit