🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 9.1

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.69 AU - 0.69 AU

Year: 370 Days

Day: 5.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,387,549 km

• M1: 113,246 km (0.118 R)
• M2: 404,812 km (0.045 R)
• M3: 857,645 km (0.087 R)
• M4: 1,293,423 km (0.096 R)
• M5: 2,030,342 km (0.12 R)
• M6: 2,684,534 km (0.09 R)
• M7: 4,519,800 km (0.032 R)
• M8: 4,956,776 km (0.059 R)
• M9: 5,294,867 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 13.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.85 AU - 1.01 AU

Year: 579 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,387,549 km

• M1: 164,258 km (0.11 R)
• M2: 912,248 km (0.095 R)
• M3: 1,511,387 km (0.042 R)
• M4: 2,107,834 km (0.08 R)
• M5: 2,604,499 km (0.026 R)
• M6: 3,030,404 km (0.036 R)
• M7: 3,492,512 km (0.08 R)
• M8: 3,966,288 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 9.1

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1 AU - 1.06 AU

Year: 675 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,387,549 km

• M1: 113,096 km (0.109 R)
• M2: 423,811 km (0.079 R)
• M3: 729,589 km (0.076 R)
• M4: 1,045,390 km (0.101 R)
• M5: 1,354,609 km (0.096 R)
• M6: 2,312,783 km (0.103 R)
• M7: 2,698,297 km (0.049 R)
• M8: 3,101,313 km (0.091 R)
• M9: 3,640,614 km (0.059 R)
• M10: 4,461,009 km (0.101 R)
• M11: 4,788,179 km (0.085 R)
• M12: 5,096,201 km (0.082 R)
• M13: 5,752,637 km (0.084 R)
• M14: 6,361,949 km (0.105 R)
• M15: 6,777,532 km (0.086 R)
• M16: 7,188,926 km (0.056 R)
• M17: 7,594,037 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 13.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.18 AU - 3.42 AU

Year: 3025 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,387,549 km

• M1: 165,455 km (0.089 R)
• M2: 613,052 km (0.064 R)
• M3: 1,047,783 km (0.078 R)
• M4: 1,597,705 km (0.116 R)
• M5: 2,503,072 km (0.096 R)
• M6: 3,170,727 km (0.085 R)
• M7: 3,767,622 km (0.104 R)
• M8: 4,347,763 km (0.045 R)
• M9: 4,987,144 km (0.059 R)
• M10: 6,337,115 km (0.087 R)
• M11: 7,385,946 km (0.088 R)
• M12: 7,816,489 km (0.096 R)
• M13: 8,948,197 km (0.036 R)
• M14: 9,748,545 km (0.101 R)
• M15: 10,637,605 km (0.117 R)
• M16: 15,481,136 km (0.116 R)
• M17: 16,691,083 km (0.105 R)
• M18: 17,493,377 km (0.095 R)
• M19: 17,963,264 km (0.052 R)
• M20: 18,623,140 km (0.087 R)
• M21: 19,549,001 km (0.112 R)
• M22: 20,635,081 km (0.051 R)
• M23: 21,896,042 km (0.025 R)
• M24: 22,442,224 km (0.11 R)
• M25: 23,207,866 km (0.108 R)
• M26: 23,919,054 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.5

Radius: 9.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.84 AU - 3.68 AU

Year: 3801 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,387,549 km

• M1: 113,246 km (0.072 R)
• M2: 486,791 km (0.099 R)
• M3: 1,105,528 km (0.044 R)
• M4: 1,657,395 km (0.052 R)
• M5: 2,677,353 km (0.095 R)
• M6: 2,965,778 km (0.087 R)
• M7: 4,181,859 km (0.084 R)
• M8: 5,426,214 km (0.112 R)
• M9: 6,382,743 km (0.077 R)
• M10: 7,308,604 km (0.119 R)
• M11: 7,993,463 km (0.118 R)
• M12: 9,359,292 km (0.12 R)
• M13: 10,270,791 km (0.101 R)
• M14: 10,910,771 km (0.096 R)
• M15: 11,277,585 km (0.116 R)
• M16: 14,210,003 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.5

Radius: 7

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.3 AU - 10.04 AU

Year: 16483 Days

Day: 22 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,387,549 km

• M1: 87,066 km (0.112 R)
• M2: 394,041 km (0.051 R)
• M3: 668,254 km (0.058 R)
• M4: 1,047,335 km (0.072 R)
• M5: 1,888,075 km (0.096 R)
• M6: 2,500,977 km (0.104 R)
• M7: 2,807,952 km (0.113 R)
• M8: 3,882,214 km (0.1 R)
• M9: 7,769,665 km (0.089 R)
• M10: 7,999,746 km (0.094 R)
• M11: 9,372,905 km (0.077 R)
• M12: 12,266,128 km (0.092 R)
• M13: 12,578,339 km (0.109 R)
• M14: 13,481,012 km (0.112 R)
• M15: 14,914,908 km (0.082 R)
• M16: 16,297,342 km (0.11 R)
• M17: 16,674,927 km (0.086 R)
• M18: 19,483,178 km (0.088 R)
• M19: 20,689,834 km (0.034 R)
• M20: 21,043,484 km (0.101 R)
• M21: 22,036,963 km (0.108 R)
• M22: 23,061,260 km (0.055 R)
• M23: 23,729,513 km (0.057 R)
• M24: 29,658,825 km (0.098 R)
• M25: 33,264,283 km (0.055 R)
• M26: 34,984,210 km (0.072 R)
• M27: 39,271,386 km (0.057 R)
• M28: 43,896,054 km (0.081 R)
• M29: 44,774,194 km (0.029 R)
• M30: 46,868,564 km (0.069 R)
• M31: 57,452,015 km (0.118 R)
• M32: 58,150,936 km (0.104 R)
• M33: 59,032,517 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 19,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit