🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 10.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.81 AU - 0.89 AU

Year: 541 Days

Day: 9 Hours

Environment

Temp: -164 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,570,022 km

• M1: 130,599 km (0.108 R)
• M2: 914,193 km (0.053 R)
• M3: 1,251,386 km (0.108 R)
• M4: 1,594,564 km (0.107 R)
• M5: 2,833,084 km (0.112 R)
• M6: 3,546,816 km (0.066 R)
• M7: 3,933,227 km (0.086 R)
• M8: 4,506,935 km (0.106 R)
• M9: 4,977,121 km (0.069 R)
• M10: 5,413,049 km (0.117 R)
• M11: 5,839,254 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 10.7

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.86 AU - 1.08 AU

Year: 659 Days

Day: 7 Hours

Environment

Temp: -175 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,570,022 km

• M1: 134,488 km (0.061 R)
• M2: 620,981 km (0.077 R)
• M3: 988,094 km (0.062 R)
• M4: 1,332,319 km (0.081 R)
• M5: 1,775,278 km (0.068 R)
• M6: 2,156,453 km (0.089 R)
• M7: 3,124,501 km (0.106 R)
• M8: 3,518,692 km (0.101 R)
• M9: 4,619,582 km (0.051 R)
• M10: 5,240,713 km (0.06 R)
• M11: 5,647,170 km (0.094 R)
• M12: 6,154,756 km (0.091 R)
• M13: 6,735,046 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 8.5

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.15 AU - 1.27 AU

Year: 919 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,570,022 km

• M1: 106,813 km (0.062 R)
• M2: 458,368 km (0.111 R)
• M3: 782,397 km (0.093 R)
• M4: 1,147,715 km (0.045 R)
• M5: 1,527,843 km (0.058 R)
• M6: 2,010,147 km (0.114 R)
• M7: 2,411,218 km (0.105 R)
• M8: 2,695,754 km (0.095 R)
• M9: 3,224,881 km (0.04 R)
• M10: 3,629,544 km (0.054 R)
• M11: 3,912,583 km (0.066 R)
• M12: 4,324,126 km (0.093 R)
• M13: 5,252,680 km (0.118 R)
• M14: 5,814,121 km (0.084 R)
• M15: 6,182,282 km (0.075 R)
• M16: 7,619,020 km (0.089 R)
• M17: 8,236,709 km (0.099 R)
• M18: 8,675,330 km (0.096 R)
• M19: 9,048,278 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 14.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.47 AU - 2.09 AU

Year: 1639 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,570,022 km

• M1: 184,005 km (0.082 R)
• M2: 1,022,950 km (0.088 R)
• M3: 2,183,381 km (0.108 R)
• M4: 2,823,211 km (0.12 R)
• M5: 3,376,125 km (0.11 R)
• M6: 4,430,939 km (0.094 R)
• M7: 5,223,060 km (0.11 R)
• M8: 5,780,911 km (0.049 R)
• M9: 6,378,554 km (0.081 R)
• M10: 7,620,516 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 10.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.62 AU - 2.54 AU

Year: 2071 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,570,022 km

• M1: 131,796 km (0.042 R)
• M2: 496,665 km (0.069 R)
• M3: 880,084 km (0.073 R)
• M4: 1,248,843 km (0.099 R)
• M5: 1,712,148 km (0.086 R)
• M6: 2,145,084 km (0.092 R)
• M7: 2,803,015 km (0.058 R)
• M8: 3,344,709 km (0.104 R)
• M9: 3,795,896 km (0.105 R)
• M10: 4,230,777 km (0.099 R)
• M11: 4,678,673 km (0.06 R)
• M12: 5,136,443 km (0.068 R)
• M13: 5,715,985 km (0.09 R)
• M14: 7,085,703 km (0.074 R)
• M15: 8,300,288 km (0.034 R)
• M16: 8,755,215 km (0.111 R)
• M17: 11,880,614 km (0.107 R)
• M18: 12,302,929 km (0.078 R)
• M19: 12,814,853 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 10.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.79 AU - 4.07 AU

Year: 4385 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,570,022 km

• M1: 135,536 km (0.09 R)
• M2: 478,115 km (0.066 R)
• M3: 1,053,169 km (0.084 R)
• M4: 1,489,546 km (0.111 R)
• M5: 1,872,068 km (0.104 R)
• M6: 2,506,961 km (0.119 R)
• M7: 3,185,088 km (0.09 R)
• M8: 5,138,088 km (0.076 R)
• M9: 8,103,118 km (0.096 R)
• M10: 8,466,342 km (0.117 R)
• M11: 13,364,625 km (0.048 R)
• M12: 16,091,944 km (0.062 R)
• M13: 17,737,371 km (0.085 R)
• M14: 20,746,981 km (0.083 R)
• M15: 21,085,969 km (0.057 R)
• M16: 23,198,291 km (0.078 R)
• M17: 25,680,718 km (0.119 R)
• M18: 26,625,728 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.5

Radius: 3.7

Gravity: 57.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.56 AU - 11.94 AU

Year: 22652 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,570,022 km

• M1: 46,076 km (0.037 R)
• M2: 304,432 km (0.114 R)
• M3: 486,343 km (0.12 R)
• M4: 1,242,111 km (0.107 R)
• M5: 1,638,097 km (0.092 R)
• M6: 2,574,131 km (0.067 R)
• M7: 2,988,816 km (0.118 R)
• M8: 3,357,575 km (0.078 R)
• M9: 4,049,315 km (0.108 R)
• M10: 4,756,315 km (0.094 R)
• M11: 5,500,863 km (0.081 R)
• M12: 9,495,725 km (0.092 R)
• M13: 10,101,297 km (0.097 R)
• M14: 12,141,962 km (0.118 R)
• M15: 12,709,985 km (0.106 R)
• M16: 14,678,244 km (0.108 R)
• M17: 15,322,562 km (0.078 R)
• M18: 18,088,627 km (0.115 R)
• M19: 18,456,189 km (0.114 R)
• M20: 19,016,881 km (0.107 R)
• M21: 21,991,635 km (0.118 R)
• M22: 23,480,134 km (0.085 R)
• M23: 23,917,558 km (0.083 R)
• M24: 26,185,910 km (0.107 R)
• M25: 27,613,673 km (0.052 R)
• M26: 30,364,179 km (0.098 R)
• M27: 30,883,284 km (0.074 R)
• M28: 33,843,825 km (0.113 R)
• M29: 34,122,078 km (0.116 R)
• M30: 35,967,367 km (0.092 R)
• M31: 36,112,028 km (0.052 R)
• M32: 36,257,138 km (0.069 R)
• M33: 36,402,547 km (0.036 R)
• M34: 41,264,329 km (0.093 R)
• M35: 43,030,481 km (0.081 R)
• M36: 50,418,821 km (0.093 R)
• M37: 55,851,617 km (0.038 R)
• M38: 56,240,123 km (0.115 R)
• M39: 62,284,774 km (0.111 R)
• M40: 63,966,703 km (0.093 R)
• M41: 80,488,591 km (0.088 R)
• M42: 82,734,504 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 17,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit