🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 11.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.86 AU - 0.9 AU

Year: 533 Days

Day: 9.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,805,582 km

• M1: 140,772 km (0.106 R)
• M2: 525,089 km (0.12 R)
• M3: 993,180 km (0.077 R)
• M4: 1,407,417 km (0.079 R)
• M5: 2,052,034 km (0.115 R)
• M6: 2,525,661 km (0.112 R)
• M7: 3,095,330 km (0.048 R)
• M8: 3,456,608 km (0.067 R)
• M9: 3,846,012 km (0.095 R)
• M10: 4,493,471 km (0.098 R)
• M11: 5,008,836 km (0.109 R)
• M12: 6,100,900 km (0.05 R)
• M13: 6,734,148 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 10.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.8 AU - 1.3 AU

Year: 695 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,805,582 km

• M1: 125,662 km (0.068 R)
• M2: 613,052 km (0.109 R)
• M3: 1,054,067 km (0.108 R)
• M4: 1,378,395 km (0.101 R)
• M5: 2,338,664 km (0.086 R)
• M6: 3,057,631 km (0.101 R)
• M7: 4,121,421 km (0.109 R)
• M8: 5,349,321 km (0.079 R)
• M9: 5,704,167 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 11.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.21 AU - 1.25 AU

Year: 881 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,805,582 km

• M1: 145,858 km (0.092 R)
• M2: 511,625 km (0.114 R)
• M3: 1,055,114 km (0.107 R)
• M4: 1,519,166 km (0.109 R)
• M5: 2,181,735 km (0.077 R)
• M6: 2,742,428 km (0.085 R)
• M7: 3,275,445 km (0.073 R)
• M8: 3,876,829 km (0.112 R)
• M9: 4,342,228 km (0.084 R)
• M10: 5,930,508 km (0.1 R)
• M11: 6,746,714 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 9.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.38 AU - 2.06 AU

Year: 1456 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,805,582 km

• M1: 117,135 km (0.06 R)
• M2: 481,705 km (0.111 R)
• M3: 1,011,431 km (0.069 R)
• M4: 1,446,761 km (0.105 R)
• M5: 1,817,165 km (0.065 R)
• M6: 2,530,448 km (0.093 R)
• M7: 2,972,958 km (0.106 R)
• M8: 4,119,177 km (0.07 R)
• M9: 4,541,193 km (0.074 R)
• M10: 4,911,448 km (0.099 R)
• M11: 5,280,805 km (0.094 R)
• M12: 5,580,749 km (0.035 R)
• M13: 6,052,131 km (0.09 R)
• M14: 6,405,033 km (0.114 R)
• M15: 6,846,496 km (0.09 R)
• M16: 7,229,766 km (0.112 R)
• M17: 8,437,470 km (0.109 R)
• M18: 8,908,404 km (0.11 R)
• M19: 10,261,367 km (0.111 R)
• M20: 11,178,102 km (0.112 R)
• M21: 11,782,627 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 8.7

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.93 AU - 4.63 AU

Year: 5717 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,805,582 km

• M1: 108,758 km (0.1 R)
• M2: 446,550 km (0.108 R)
• M3: 1,294,022 km (0.07 R)
• M4: 1,683,724 km (0.04 R)
• M5: 2,103,645 km (0.055 R)
• M6: 2,538,227 km (0.105 R)
• M7: 3,092,637 km (0.078 R)
• M8: 3,725,585 km (0.098 R)
• M9: 4,521,296 km (0.053 R)
• M10: 7,627,397 km (0.12 R)
• M11: 10,553,083 km (0.08 R)
• M12: 10,982,877 km (0.062 R)
• M13: 13,254,671 km (0.103 R)
• M14: 25,062,281 km (0.075 R)
• M15: 26,000,110 km (0.093 R)
• M16: 30,463,512 km (0.116 R)
• M17: 31,531,342 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.9

Radius: 3.6

Gravity: 68.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.94 AU - 7.28 AU

Year: 9752 Days

Day: 18.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 46,805,582 km

• M1: 47,123 km (0.07 R)
• M2: 379,829 km (0.081 R)
• M3: 753,076 km (0.098 R)
• M4: 884,273 km (0.106 R)
• M5: 1,307,186 km (0.119 R)
• M6: 1,428,061 km (0.075 R)
• M7: 1,541,756 km (0.092 R)
• M8: 1,869,225 km (0.085 R)
• M9: 2,536,133 km (0.071 R)
• M10: 3,178,356 km (0.097 R)
• M11: 4,807,328 km (0.089 R)
• M12: 6,372,271 km (0.091 R)
• M13: 6,642,893 km (0.12 R)
• M14: 7,802,427 km (0.059 R)
• M15: 7,934,222 km (0.087 R)
• M16: 8,292,659 km (0.085 R)
• M17: 8,945,953 km (0.097 R)
• M18: 10,196,890 km (0.068 R)
• M19: 10,674,257 km (0.118 R)
• M20: 10,945,927 km (0.114 R)
• M21: 11,111,083 km (0.077 R)
• M22: 11,446,331 km (0.087 R)
• M23: 12,137,174 km (0.051 R)
• M24: 13,664,868 km (0.052 R)
• M25: 15,731,413 km (0.043 R)
• M26: 15,871,436 km (0.06 R)
• M27: 16,802,085 km (0.115 R)
• M28: 20,221,892 km (0.108 R)
• M29: 25,113,144 km (0.11 R)
• M30: 26,177,683 km (0.063 R)
• M31: 26,374,404 km (0.095 R)
• M32: 28,708,280 km (0.073 R)
• M33: 30,519,312 km (0.055 R)
• M34: 39,035,470 km (0.026 R)
• M35: 40,988,919 km (0.086 R)
• M36: 47,238,819 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.8

Radius: 3.9

Gravity: 26.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.1 AU - 8.42 AU

Year: 12630 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,805,582 km

• M1: 588,219 km (0.084 R)
• M2: 1,053,019 km (0.095 R)
• M3: 2,974,155 km (0.089 R)
• M4: 3,414,571 km (0.113 R)
• M5: 3,637,771 km (0.086 R)
• M6: 4,004,436 km (0.098 R)
• M7: 4,749,732 km (0.04 R)
• M8: 5,091,264 km (0.103 R)
• M9: 5,284,395 km (0.103 R)
• M10: 6,737,439 km (0.083 R)
• M11: 7,009,558 km (0.069 R)
• M12: 7,329,548 km (0.114 R)
• M13: 9,457,428 km (0.08 R)
• M14: 10,454,049 km (0.106 R)
• M15: 16,224,039 km (0.045 R)
• M16: 19,774,146 km (0.119 R)
• M17: 22,066,883 km (0.106 R)
• M18: 25,174,180 km (0.038 R)
• M19: 30,732,190 km (0.078 R)
• M20: 43,921,336 km (0.079 R)
• M21: 44,596,920 km (0.087 R)
• M22: 45,692,426 km (0.116 R)
• M23: 46,525,536 km (0.092 R)
• M24: 46,665,410 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 18,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit