🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 13.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,259,263 km

• M1: 175,329 km (0.103 R)
• M2: 623,973 km (0.055 R)
• M3: 1,066,782 km (0.111 R)
• M4: 1,638,695 km (0.101 R)
• M5: 2,195,349 km (0.109 R)
• M6: 2,987,619 km (0.084 R)
• M7: 3,423,398 km (0.058 R)
• M8: 4,241,698 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.8

Radius: 9.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.62 AU - 0.94 AU

Year: 476 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,259,263 km

• M1: 115,639 km (0.048 R)
• M2: 422,764 km (0.112 R)
• M3: 984,354 km (0.118 R)
• M4: 1,610,870 km (0.118 R)
• M5: 2,069,687 km (0.114 R)
• M6: 2,372,921 km (0.107 R)
• M7: 2,933,614 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 8.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.89 AU - 1.47 AU

Year: 885 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,259,263 km

• M1: 105,766 km (0.098 R)
• M2: 564,134 km (0.104 R)
• M3: 1,704,069 km (0.106 R)
• M4: 2,602,105 km (0.063 R)
• M5: 3,043,569 km (0.106 R)
• M6: 3,850,799 km (0.105 R)
• M7: 5,376,398 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 8.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.07 AU - 1.47 AU

Year: 988 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,259,263 km

• M1: 100,679 km (0.098 R)
• M2: 609,013 km (0.08 R)
• M3: 1,034,020 km (0.074 R)
• M4: 1,407,566 km (0.046 R)
• M5: 1,747,303 km (0.052 R)
• M6: 2,302,610 km (0.099 R)
• M7: 2,696,053 km (0.076 R)
• M8: 3,316,585 km (0.09 R)
• M9: 3,968,383 km (0.057 R)
• M10: 5,338,400 km (0.079 R)
• M11: 6,502,122 km (0.027 R)
• M12: 7,020,927 km (0.111 R)
• M13: 7,497,247 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 9.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.72 AU - 2.74 AU

Year: 2299 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,259,263 km

• M1: 114,442 km (0.116 R)
• M2: 419,323 km (0.096 R)
• M3: 726,597 km (0.07 R)
• M4: 1,066,334 km (0.114 R)
• M5: 1,705,865 km (0.114 R)
• M6: 2,167,972 km (0.061 R)
• M7: 3,677,415 km (0.088 R)
• M8: 4,032,859 km (0.043 R)
• M9: 5,497,423 km (0.077 R)
• M10: 6,014,134 km (0.05 R)
• M11: 6,376,160 km (0.076 R)
• M12: 6,725,471 km (0.098 R)
• M13: 7,115,922 km (0.065 R)
• M14: 9,164,366 km (0.098 R)
• M15: 9,471,340 km (0.076 R)
• M16: 11,342,511 km (0.094 R)
• M17: 12,551,860 km (0.118 R)
• M18: 13,360,885 km (0.025 R)
• M19: 13,889,414 km (0.095 R)
• M20: 14,754,838 km (0.049 R)
• M21: 15,801,425 km (0.117 R)
• M22: 16,193,970 km (0.089 R)
• M23: 16,845,767 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.1

Radius: 3

Gravity: 80.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.48 AU - 7.96 AU

Year: 14806 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 85,259,263 km

• M1: 43,533 km (0.055 R)
• M2: 218,712 km (0.111 R)
• M3: 353,949 km (0.104 R)
• M4: 521,498 km (0.113 R)
• M5: 632,201 km (0.091 R)
• M6: 787,932 km (0.083 R)
• M7: 991,684 km (0.05 R)
• M8: 1,488,050 km (0.094 R)
• M9: 1,747,303 km (0.028 R)
• M10: 2,251,897 km (0.102 R)
• M11: 2,439,792 km (0.089 R)
• M12: 2,943,189 km (0.071 R)
• M13: 3,245,376 km (0.113 R)
• M14: 3,540,084 km (0.071 R)
• M15: 4,213,574 km (0.107 R)
• M16: 4,933,588 km (0.062 R)
• M17: 10,289,790 km (0.038 R)
• M18: 10,574,475 km (0.105 R)
• M19: 11,521,130 km (0.118 R)
• M20: 12,267,175 km (0.056 R)
• M21: 12,522,838 km (0.047 R)
• M22: 15,425,635 km (0.118 R)
• M23: 19,171,266 km (0.059 R)
• M24: 20,752,815 km (0.117 R)
• M25: 23,775,290 km (0.102 R)
• M26: 24,776,699 km (0.046 R)
• M27: 25,185,101 km (0.078 R)
• M28: 27,186,271 km (0.088 R)
• M29: 27,402,740 km (0.046 R)
• M30: 28,391,881 km (0.049 R)
• M31: 29,290,665 km (0.098 R)
• M32: 31,026,898 km (0.115 R)
• M33: 33,695,724 km (0.044 R)
• M34: 34,957,731 km (0.095 R)
• M35: 37,042,078 km (0.102 R)
• M36: 40,181,090 km (0.088 R)
• M37: 41,313,098 km (0.043 R)
• M38: 47,921,584 km (0.06 R)
• M39: 51,145,118 km (0.106 R)
• M40: 54,167,145 km (0.089 R)
• M41: 58,198,957 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.2

Radius: 4.4

Gravity: 37.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.18 AU - 12.64 AU

Year: 23184 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,259,263 km

• M1: 55,202 km (0.112 R)
• M2: 268,977 km (0.083 R)
• M3: 1,104,930 km (0.073 R)
• M4: 1,569,581 km (0.11 R)
• M5: 2,617,664 km (0.073 R)
• M6: 3,061,371 km (0.074 R)
• M7: 4,130,248 km (0.099 R)
• M8: 4,512,021 km (0.119 R)
• M9: 5,345,880 km (0.081 R)
• M10: 5,756,825 km (0.092 R)
• M11: 6,277,575 km (0.061 R)
• M12: 7,019,880 km (0.116 R)
• M13: 9,835,462 km (0.098 R)
• M14: 11,028,056 km (0.105 R)
• M15: 12,173,976 km (0.115 R)
• M16: 15,751,160 km (0.09 R)
• M17: 26,610,020 km (0.114 R)
• M18: 28,289,257 km (0.112 R)
• M19: 41,429,036 km (0.116 R)
• M20: 50,736,417 km (0.099 R)
• M21: 52,196,492 km (0.114 R)
• M22: 70,148,835 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 17,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit