🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 13.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,548,909 km

• M1: 164,408 km (0.078 R)
• M2: 697,126 km (0.097 R)
• M3: 1,183,469 km (0.118 R)
• M4: 1,609,823 km (0.062 R)
• M5: 2,252,944 km (0.102 R)
• M6: 2,992,705 km (0.09 R)
• M7: 3,747,726 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 9.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.72 AU - 1.1 AU

Year: 579 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,548,909 km

• M1: 113,246 km (0.079 R)
• M2: 435,779 km (0.06 R)
• M3: 756,068 km (0.064 R)
• M4: 1,054,515 km (0.099 R)
• M5: 2,088,685 km (0.03 R)
• M6: 2,920,749 km (0.082 R)
• M7: 3,227,574 km (0.103 R)
• M8: 3,666,195 km (0.087 R)
• M9: 4,294,207 km (0.051 R)
• M10: 4,677,925 km (0.034 R)
• M11: 5,613,211 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.7

Radius: 10.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.52 AU - 2.22 AU

Year: 1705 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,548,909 km

• M1: 129,402 km (0.06 R)
• M2: 480,359 km (0.1 R)
• M3: 976,425 km (0.105 R)
• M4: 1,305,690 km (0.116 R)
• M5: 1,642,435 km (0.087 R)
• M6: 2,308,295 km (0.092 R)
• M7: 2,879,310 km (0.047 R)
• M8: 3,427,886 km (0.11 R)
• M9: 4,044,827 km (0.106 R)
• M10: 4,877,190 km (0.045 R)
• M11: 5,635,801 km (0.099 R)
• M12: 6,224,468 km (0.12 R)
• M13: 7,010,755 km (0.116 R)
• M14: 7,748,422 km (0.038 R)
• M15: 8,658,276 km (0.116 R)
• M16: 9,410,454 km (0.095 R)
• M17: 10,137,649 km (0.088 R)
• M18: 12,043,227 km (0.083 R)
• M19: 12,900,423 km (0.052 R)
• M20: 13,262,599 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 15

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.78 AU - 2.18 AU

Year: 1858 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,548,909 km

• M1: 186,549 km (0.092 R)
• M2: 1,117,346 km (0.114 R)
• M3: 2,344,348 km (0.074 R)
• M4: 3,135,571 km (0.084 R)
• M5: 3,980,500 km (0.079 R)
• M6: 4,762,149 km (0.114 R)
• M7: 5,796,170 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 8.7

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.58 AU - 3.58 AU

Year: 3605 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,548,909 km

• M1: 108,159 km (0.057 R)
• M2: 409,001 km (0.093 R)
• M3: 682,017 km (0.111 R)
• M4: 1,008,439 km (0.111 R)
• M5: 1,937,741 km (0.049 R)
• M6: 2,213,151 km (0.054 R)
• M7: 2,610,632 km (0.119 R)
• M8: 3,392,132 km (0.082 R)
• M9: 3,816,541 km (0.07 R)
• M10: 7,083,310 km (0.102 R)
• M11: 7,375,624 km (0.065 R)
• M12: 8,481,302 km (0.105 R)
• M13: 9,036,160 km (0.096 R)
• M14: 9,458,176 km (0.112 R)
• M15: 10,300,262 km (0.066 R)
• M16: 10,634,015 km (0.052 R)
• M17: 11,723,536 km (0.08 R)
• M18: 12,742,447 km (0.054 R)
• M19: 14,692,007 km (0.042 R)
• M20: 16,490,323 km (0.083 R)
• M21: 18,985,316 km (0.113 R)
• M22: 19,614,525 km (0.103 R)
• M23: 20,322,572 km (0.101 R)
• M24: 21,248,283 km (0.102 R)
• M25: 22,409,761 km (0.085 R)
• M26: 22,900,143 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 14

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.68 AU - 3.64 AU

Year: 3746 Days

Day: 8.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,548,909 km

• M1: 174,132 km (0.116 R)
• M2: 758,611 km (0.096 R)
• M3: 1,825,543 km (0.079 R)
• M4: 2,262,668 km (0.107 R)
• M5: 3,678,013 km (0.068 R)
• M6: 4,133,688 km (0.116 R)
• M7: 5,029,331 km (0.062 R)
• M8: 6,259,025 km (0.045 R)
• M9: 6,816,577 km (0.117 R)
• M10: 7,680,504 km (0.111 R)
• M11: 8,616,239 km (0.062 R)
• M12: 9,870,916 km (0.089 R)
• M13: 10,714,798 km (0.104 R)
• M14: 12,450,582 km (0.079 R)
• M15: 13,436,133 km (0.117 R)
• M16: 14,156,596 km (0.086 R)
• M17: 16,415,524 km (0.117 R)
• M18: 16,941,959 km (0.069 R)
• M19: 18,276,222 km (0.062 R)
• M20: 18,841,852 km (0.086 R)
• M21: 19,679,600 km (0.1 R)
• M22: 20,340,673 km (0.057 R)
• M23: 24,320,724 km (0.055 R)
• M24: 25,005,583 km (0.056 R)
• M25: 26,814,072 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.7

Radius: 11.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.14 AU - 4.1 AU

Year: 4593 Days

Day: 9.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,548,909 km

• M1: 141,819 km (0.029 R)
• M2: 537,655 km (0.032 R)
• M3: 896,091 km (0.088 R)
• M4: 1,445,115 km (0.118 R)
• M5: 2,011,343 km (0.077 R)
• M6: 2,670,621 km (0.052 R)
• M7: 3,289,657 km (0.042 R)
• M8: 3,739,648 km (0.094 R)
• M9: 5,850,174 km (0.105 R)
• M10: 6,451,707 km (0.11 R)
• M11: 7,261,032 km (0.098 R)
• M12: 9,930,755 km (0.059 R)
• M13: 11,099,115 km (0.105 R)
• M14: 13,196,178 km (0.083 R)
• M15: 15,153,965 km (0.07 R)
• M16: 17,910,904 km (0.117 R)
• M17: 18,538,019 km (0.043 R)
• M18: 20,237,151 km (0.099 R)
• M19: 20,848,707 km (0.11 R)
• M20: 21,613,003 km (0.042 R)
• M21: 22,830,879 km (0.051 R)
• M22: 25,717,520 km (0.082 R)
• M23: 26,596,706 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.7

Radius: 8.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.03 AU - 4.79 AU

Year: 5156 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 71.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,548,909 km

• M1: 120,576 km (0.046 R)
• M2: 1,044,941 km (0.09 R)
• M3: 1,395,000 km (0.089 R)
• M4: 1,694,794 km (0.047 R)
• M5: 3,016,342 km (0.051 R)
• M6: 3,842,571 km (0.078 R)
• M7: 9,144,768 km (0.092 R)
• M8: 11,963,791 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.3

Radius: 14.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.01 AU - 4.89 AU

Year: 5235 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,548,909 km

• M1: 189,840 km (0.078 R)
• M2: 949,797 km (0.069 R)
• M3: 2,024,807 km (0.046 R)
• M4: 3,374,030 km (0.109 R)
• M5: 5,008,836 km (0.107 R)
• M6: 5,607,826 km (0.07 R)
• M7: 6,096,113 km (0.079 R)
• M8: 6,746,565 km (0.068 R)
• M9: 7,335,681 km (0.071 R)
• M10: 7,958,906 km (0.068 R)
• M11: 8,577,643 km (0.102 R)
• M12: 9,438,279 km (0.115 R)
• M13: 10,355,913 km (0.087 R)
• M14: 12,522,389 km (0.109 R)
• M15: 13,685,064 km (0.072 R)
• M16: 15,385,243 km (0.091 R)
• M17: 17,286,034 km (0.027 R)
• M18: 18,592,622 km (0.11 R)
• M19: 19,615,273 km (0.05 R)
• M20: 21,846,974 km (0.107 R)
• M21: 24,323,567 km (0.067 R)
• M22: 31,995,095 km (0.07 R)
• M23: 32,870,542 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.2

Radius: 3.3

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.73 AU - 8.89 AU

Year: 14555 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,548,909 km

• M1: 40,990 km (0.094 R)
• M2: 156,180 km (0.093 R)
• M3: 1,035,217 km (0.119 R)
• M4: 1,895,704 km (0.106 R)
• M5: 2,276,730 km (0.083 R)
• M6: 2,392,070 km (0.115 R)
• M7: 2,652,520 km (0.111 R)
• M8: 3,569,256 km (0.06 R)
• M9: 5,254,625 km (0.082 R)
• M10: 7,298,731 km (0.117 R)
• M11: 7,405,843 km (0.119 R)
• M12: 7,770,413 km (0.08 R)
• M13: 8,814,307 km (0.117 R)
• M14: 8,935,780 km (0.081 R)
• M15: 10,035,773 km (0.041 R)
• M16: 10,168,317 km (0.08 R)
• M17: 10,301,908 km (0.045 R)
• M18: 10,481,874 km (0.105 R)
• M19: 12,449,834 km (0.108 R)
• M20: 12,705,497 km (0.109 R)
• M21: 13,763,303 km (0.118 R)
• M22: 14,878,406 km (0.048 R)
• M23: 21,954,984 km (0.103 R)
• M24: 23,086,991 km (0.072 R)
• M25: 25,961,214 km (0.088 R)
• M26: 26,462,367 km (0.084 R)
• M27: 28,355,080 km (0.114 R)
• M28: 29,514,762 km (0.119 R)
• M29: 31,172,307 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 12,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit