🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 9.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.73 AU - 0.91 AU

Year: 495 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,052,780 km

• M1: 116,986 km (0.114 R)
• M2: 543,938 km (0.032 R)
• M3: 1,255,425 km (0.074 R)
• M4: 1,767,499 km (0.051 R)
• M5: 2,733,602 km (0.11 R)
• M6: 3,458,703 km (0.073 R)
• M7: 3,753,411 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 11.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.11 AU - 1.15 AU

Year: 801 Days

Day: 6.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,052,780 km

• M1: 144,960 km (0.068 R)
• M2: 755,320 km (0.097 R)
• M3: 2,180,838 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.7

Radius: 8.2

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.48 AU - 3.36 AU

Year: 3327 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,052,780 km

• M1: 102,026 km (0.113 R)
• M2: 413,937 km (0.102 R)
• M3: 732,730 km (0.111 R)
• M4: 1,103,583 km (0.119 R)
• M5: 1,521,410 km (0.115 R)
• M6: 2,937,055 km (0.08 R)
• M7: 3,323,915 km (0.09 R)
• M8: 3,967,934 km (0.099 R)
• M9: 4,352,849 km (0.077 R)
• M10: 4,646,211 km (0.108 R)
• M11: 5,222,611 km (0.093 R)
• M12: 5,632,659 km (0.111 R)
• M13: 6,259,773 km (0.116 R)
• M14: 7,271,055 km (0.039 R)
• M15: 8,700,911 km (0.059 R)
• M16: 9,351,961 km (0.115 R)
• M17: 13,573,613 km (0.046 R)
• M18: 13,909,460 km (0.117 R)
• M19: 14,648,175 km (0.066 R)
• M20: 15,361,009 km (0.047 R)
• M21: 17,751,882 km (0.102 R)
• M22: 18,269,790 km (0.115 R)
• M23: 18,738,629 km (0.059 R)
• M24: 19,761,580 km (0.086 R)
• M25: 21,012,068 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 12.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.76 AU - 4.04 AU

Year: 4181 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,052,780 km

• M1: 155,432 km (0.093 R)
• M2: 909,256 km (0.104 R)
• M3: 1,463,366 km (0.075 R)
• M4: 1,916,798 km (0.097 R)
• M5: 2,964,731 km (0.051 R)
• M6: 3,968,532 km (0.041 R)
• M7: 12,461,054 km (0.1 R)
• M8: 14,202,822 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.5

Radius: 3.2

Gravity: 44.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.03 AU - 10.69 AU

Year: 17587 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,052,780 km

• M1: 46,525 km (0.031 R)
• M2: 334,052 km (0.085 R)
• M3: 457,919 km (0.12 R)
• M4: 697,874 km (0.116 R)
• M5: 801,097 km (0.061 R)
• M6: 1,015,321 km (0.116 R)
• M7: 1,436,140 km (0.103 R)
• M8: 1,855,911 km (0.089 R)
• M9: 2,132,518 km (0.06 R)
• M10: 3,077,827 km (0.074 R)
• M11: 3,491,614 km (0.044 R)
• M12: 3,740,096 km (0.099 R)
• M13: 10,293,231 km (0.082 R)
• M14: 10,517,777 km (0.118 R)
• M15: 10,918,550 km (0.11 R)
• M16: 13,673,694 km (0.098 R)
• M17: 16,397,871 km (0.072 R)
• M18: 17,886,520 km (0.113 R)
• M19: 18,704,970 km (0.098 R)
• M20: 19,633,823 km (0.117 R)
• M21: 25,246,885 km (0.095 R)
• M22: 26,275,669 km (0.112 R)
• M23: 26,800,309 km (0.099 R)
• M24: 28,306,610 km (0.049 R)
• M25: 28,416,265 km (0.092 R)
• M26: 29,641,771 km (0.061 R)
• M27: 30,210,392 km (0.081 R)
• M28: 35,022,806 km (0.096 R)
• M29: 35,530,392 km (0.071 R)
• M30: 38,410,151 km (0.095 R)
• M31: 40,460,390 km (0.032 R)
• M32: 48,601,356 km (0.076 R)
• M33: 58,298,739 km (0.115 R)
• M34: 58,654,333 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.7

Radius: 6.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.49 AU - 10.01 AU

Year: 20302 Days

Day: 21.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,052,780 km

• M1: 80,783 km (0.114 R)
• M2: 2,353,474 km (0.118 R)
• M3: 3,499,094 km (0.069 R)
• M4: 4,373,494 km (0.106 R)
• M5: 5,562,498 km (0.12 R)
• M6: 7,290,652 km (0.114 R)
• M7: 7,551,252 km (0.04 R)
• M8: 8,752,971 km (0.071 R)
• M9: 11,413,420 km (0.07 R)
• M10: 11,647,092 km (0.084 R)
• M11: 12,490,076 km (0.032 R)
• M12: 12,863,622 km (0.114 R)
• M13: 14,843,849 km (0.106 R)
• M14: 15,262,872 km (0.044 R)
• M15: 16,867,459 km (0.116 R)
• M16: 22,260,014 km (0.07 R)
• M17: 24,125,499 km (0.12 R)
• M18: 25,392,443 km (0.12 R)
• M19: 40,050,342 km (0.054 R)
• M20: 40,862,359 km (0.071 R)
• M21: 42,100,880 km (0.062 R)
• M22: 46,409,897 km (0.047 R)
• M23: 51,161,873 km (0.095 R)
• M24: 52,761,374 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.7

Radius: 6.2

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.35 AU - 10.99 AU

Year: 23242 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,052,780 km

• M1: 77,043 km (0.09 R)
• M2: 679,324 km (0.063 R)
• M3: 883,076 km (0.095 R)
• M4: 1,141,731 km (0.088 R)
• M5: 1,651,261 km (0.085 R)
• M6: 1,889,720 km (0.117 R)
• M7: 2,279,872 km (0.103 R)
• M8: 3,276,193 km (0.075 R)
• M9: 4,328,465 km (0.102 R)
• M10: 6,480,131 km (0.108 R)
• M11: 7,462,540 km (0.094 R)
• M12: 10,685,926 km (0.09 R)
• M13: 11,583,812 km (0.059 R)
• M14: 14,348,979 km (0.082 R)
• M15: 20,265,874 km (0.031 R)
• M16: 24,023,324 km (0.115 R)
• M17: 28,580,524 km (0.075 R)
• M18: 30,806,989 km (0.048 R)
• M19: 32,880,864 km (0.058 R)
• M20: 33,413,582 km (0.034 R)
• M21: 38,764,249 km (0.054 R)
• M22: 46,972,983 km (0.072 R)
• M23: 49,539,634 km (0.101 R)
• M24: 53,105,299 km (0.111 R)
• M25: 57,798,334 km (0.111 R)
• M26: 57,991,615 km (0.113 R)
• M27: 59,947,906 km (0.06 R)
• M28: 66,080,521 km (0.051 R)
• M29: 72,618,247 km (0.201 R)
• M30: 73,294,729 km (0.096 R)
• M31: 75,811,414 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 13,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit