🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 10.1

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.92 AU

Year: 551 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,595,774 km

• M1: 125,662 km (0.047 R)
• M2: 696,528 km (0.067 R)
• M3: 1,015,470 km (0.118 R)
• M4: 1,403,677 km (0.084 R)
• M5: 2,019,272 km (0.107 R)
• M6: 2,575,178 km (0.108 R)
• M7: 3,276,493 km (0.11 R)
• M8: 4,113,642 km (0.046 R)
• M9: 4,460,410 km (0.116 R)
• M10: 4,902,472 km (0.119 R)
• M11: 5,245,051 km (0.055 R)
• M12: 5,586,882 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 14.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.92 AU - 4.24 AU

Year: 4444 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,595,774 km

• M1: 185,352 km (0.089 R)
• M2: 698,622 km (0.086 R)
• M3: 1,517,072 km (0.053 R)
• M4: 2,187,420 km (0.046 R)
• M5: 2,740,483 km (0.066 R)
• M6: 3,665,297 km (0.074 R)
• M7: 4,269,224 km (0.12 R)
• M8: 4,964,555 km (0.078 R)
• M9: 6,163,432 km (0.107 R)
• M10: 6,831,536 km (0.1 R)
• M11: 8,206,191 km (0.089 R)
• M12: 9,054,411 km (0.113 R)
• M13: 9,919,685 km (0.117 R)
• M14: 11,276,239 km (0.1 R)
• M15: 12,705,048 km (0.112 R)
• M16: 13,190,942 km (0.114 R)
• M17: 14,045,445 km (0.117 R)
• M18: 15,533,046 km (0.079 R)
• M19: 16,371,991 km (0.12 R)
• M20: 17,064,779 km (0.078 R)
• M21: 19,968,473 km (0.117 R)
• M22: 21,503,348 km (0.054 R)
• M23: 22,124,927 km (0.109 R)
• M24: 25,185,550 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 9

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.39 AU - 3.99 AU

Year: 4650 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,595,774 km

• M1: 111,899 km (0.109 R)
• M2: 429,645 km (0.112 R)
• M3: 896,989 km (0.117 R)
• M4: 1,297,313 km (0.108 R)
• M5: 1,645,128 km (0.086 R)
• M6: 1,967,810 km (0.077 R)
• M7: 2,515,339 km (0.087 R)
• M8: 3,140,957 km (0.109 R)
• M9: 3,512,408 km (0.091 R)
• M10: 4,196,669 km (0.097 R)
• M11: 5,329,125 km (0.098 R)
• M12: 6,956,451 km (0.102 R)
• M13: 8,494,018 km (0.074 R)
• M14: 9,217,772 km (0.073 R)
• M15: 9,765,749 km (0.091 R)
• M16: 10,113,564 km (0.064 R)
• M17: 13,254,521 km (0.113 R)
• M18: 15,131,974 km (0.104 R)
• M19: 15,598,271 km (0.081 R)
• M20: 17,496,369 km (0.115 R)
• M21: 21,306,776 km (0.113 R)
• M22: 22,189,703 km (0.066 R)
• M23: 23,482,228 km (0.063 R)
• M24: 23,793,392 km (0.056 R)
• M25: 24,265,523 km (0.082 R)
• M26: 25,554,757 km (0.092 R)
• M27: 26,974,142 km (0.104 R)
• M28: 27,315,674 km (0.074 R)
• M29: 30,890,764 km (0.062 R)
• M30: 31,452,653 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.1

Radius: 14.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.98 AU - 4.5 AU

Year: 4745 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,595,774 km

• M1: 181,612 km (0.118 R)
• M2: 678,277 km (0.059 R)
• M3: 1,338,452 km (0.071 R)
• M4: 2,118,007 km (0.057 R)
• M5: 2,775,489 km (0.119 R)
• M6: 3,997,704 km (0.101 R)
• M7: 4,590,710 km (0.087 R)
• M8: 5,432,497 km (0.069 R)
• M9: 6,703,331 km (0.12 R)
• M10: 7,334,933 km (0.105 R)
• M11: 7,819,032 km (0.116 R)
• M12: 8,454,374 km (0.098 R)
• M13: 9,331,616 km (0.082 R)
• M14: 10,010,342 km (0.099 R)
• M15: 11,070,691 km (0.083 R)
• M16: 11,668,933 km (0.063 R)
• M17: 14,846,392 km (0.112 R)
• M18: 15,673,519 km (0.094 R)
• M19: 16,893,340 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.4

Radius: 7.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.19 AU - 9.01 AU

Year: 13745 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,595,774 km

• M1: 156,629 km (0.083 R)
• M2: 728,841 km (0.061 R)
• M3: 2,905,639 km (0.049 R)
• M4: 3,859,924 km (0.117 R)
• M5: 4,455,025 km (0.031 R)
• M6: 5,160,678 km (0.088 R)
• M7: 8,239,701 km (0.075 R)
• M8: 11,466,976 km (0.113 R)
• M9: 17,112,500 km (0.062 R)
• M10: 17,516,863 km (0.087 R)
• M11: 17,927,510 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.5

Radius: 4.4

Gravity: 23.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.58 AU - 9.16 AU

Year: 14483 Days

Day: 15.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,595,774 km

• M1: 54,753 km (0.115 R)
• M2: 577,149 km (0.099 R)
• M3: 1,953,000 km (0.066 R)
• M4: 2,281,966 km (0.095 R)
• M5: 2,668,228 km (0.073 R)
• M6: 3,339,922 km (0.098 R)
• M7: 9,365,874 km (0.107 R)
• M8: 10,294,727 km (0.048 R)
• M9: 11,917,565 km (0.04 R)
• M10: 16,815,549 km (0.084 R)
• M11: 19,052,785 km (0.08 R)
• M12: 30,644,226 km (0.088 R)
• M13: 38,270,277 km (0.05 R)
• M14: 40,356,569 km (0.095 R)
• M15: 43,626,479 km (0.112 R)
• M16: 48,105,589 km (0.113 R)
• M17: 52,090,876 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.9

Radius: 4.3

Gravity: 30.77 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.48 AU - 11.24 AU

Year: 18786 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,595,774 km

• M1: 53,406 km (0.113 R)
• M2: 200,611 km (0.059 R)
• M3: 344,823 km (0.086 R)
• M4: 1,098,946 km (0.107 R)
• M5: 1,258,118 km (0.059 R)
• M6: 1,558,062 km (0.12 R)
• M7: 1,777,522 km (0.112 R)
• M8: 2,795,236 km (0.118 R)
• M9: 3,639,118 km (0.044 R)
• M10: 5,168,008 km (0.115 R)
• M11: 6,595,471 km (0.114 R)
• M12: 6,812,537 km (0.119 R)
• M13: 7,445,785 km (0.079 R)
• M14: 7,776,696 km (0.078 R)
• M15: 9,915,197 km (0.1 R)
• M16: 12,481,698 km (0.111 R)
• M17: 12,948,444 km (0.111 R)
• M18: 14,491,546 km (0.074 R)
• M19: 17,853,459 km (0.105 R)
• M20: 20,668,442 km (0.042 R)
• M21: 26,827,386 km (0.069 R)
• M22: 31,223,469 km (0.085 R)
• M23: 32,082,460 km (0.088 R)
• M24: 32,580,322 km (0.069 R)
• M25: 36,614,677 km (0.07 R)
• M26: 37,845,569 km (0.086 R)
• M27: 46,287,077 km (0.032 R)
• M28: 49,192,567 km (0.03 R)
• M29: 50,020,741 km (0.088 R)
• M30: 50,187,542 km (0.12 R)
• M31: 50,690,042 km (0.041 R)
• M32: 51,365,177 km (0.056 R)
• M33: 52,389,025 km (0.073 R)
• M34: 59,565,384 km (0.039 R)
• M35: 60,506,056 km (0.117 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: 243 - 11,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit