🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 14.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.14 AU - 1.78 AU

Year: 1122 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,913,821 km

• M1: 191,336 km (0.071 R)
• M2: 711,787 km (0.082 R)
• M3: 1,229,395 km (0.076 R)
• M4: 2,017,926 km (0.094 R)
• M5: 2,689,471 km (0.108 R)
• M6: 4,291,664 km (0.09 R)
• M7: 6,509,602 km (0.084 R)
• M8: 7,776,097 km (0.102 R)
• M9: 8,764,939 km (0.084 R)
• M10: 9,230,787 km (0.066 R)
• M11: 10,860,357 km (0.107 R)
• M12: 11,570,348 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 12.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.31 AU - 2.17 AU

Year: 1459 Days

Day: 11.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,913,821 km

• M1: 150,495 km (0.114 R)
• M2: 715,676 km (0.114 R)
• M3: 1,146,069 km (0.12 R)
• M4: 1,667,567 km (0.082 R)
• M5: 2,624,844 km (0.066 R)
• M6: 3,575,090 km (0.051 R)
• M7: 4,283,735 km (0.049 R)
• M8: 6,533,537 km (0.057 R)
• M9: 8,397,377 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.5

Radius: 13

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.78 AU - 2.44 AU

Year: 1949 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,913,821 km

• M1: 161,715 km (0.108 R)
• M2: 703,260 km (0.117 R)
• M3: 1,127,968 km (0.114 R)
• M4: 1,789,639 km (0.075 R)
• M5: 2,431,414 km (0.083 R)
• M6: 2,876,468 km (0.12 R)
• M7: 3,391,533 km (0.107 R)
• M8: 4,326,370 km (0.085 R)
• M9: 5,047,133 km (0.032 R)
• M10: 6,506,610 km (0.102 R)
• M11: 7,007,912 km (0.078 R)
• M12: 7,725,683 km (0.106 R)
• M13: 8,639,277 km (0.069 R)
• M14: 9,277,162 km (0.105 R)
• M15: 9,719,673 km (0.075 R)
• M16: 10,242,667 km (0.097 R)
• M17: 11,851,891 km (0.063 R)
• M18: 12,755,612 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 14.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.03 AU - 3.47 AU

Year: 3725 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,913,821 km

• M1: 176,675 km (0.059 R)
• M2: 2,156,902 km (0.077 R)
• M3: 2,605,696 km (0.086 R)
• M4: 3,398,714 km (0.102 R)
• M5: 4,530,721 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 10.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.51 AU - 4.05 AU

Year: 3777 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,913,821 km

• M1: 126,859 km (0.099 R)
• M2: 789,129 km (0.072 R)
• M3: 1,204,712 km (0.071 R)
• M4: 1,584,840 km (0.104 R)
• M5: 2,008,800 km (0.071 R)
• M6: 2,355,119 km (0.117 R)
• M7: 2,911,175 km (0.079 R)
• M8: 4,516,210 km (0.117 R)
• M9: 5,948,460 km (0.069 R)
• M10: 6,811,041 km (0.119 R)
• M11: 8,162,209 km (0.105 R)
• M12: 9,122,777 km (0.078 R)
• M13: 10,417,996 km (0.102 R)
• M14: 11,387,091 km (0.116 R)
• M15: 13,192,887 km (0.098 R)
• M16: 13,865,479 km (0.074 R)
• M17: 15,920,654 km (0.091 R)
• M18: 16,942,557 km (0.06 R)
• M19: 17,363,376 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.2

Radius: 8.2

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.37 AU - 4.07 AU

Year: 4562 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,913,821 km

• M1: 116,387 km (0.077 R)
• M2: 776,862 km (0.09 R)
• M3: 1,046,736 km (0.034 R)
• M4: 1,680,134 km (0.052 R)
• M5: 1,936,694 km (0.087 R)
• M6: 2,330,735 km (0.107 R)
• M7: 2,814,235 km (0.079 R)
• M8: 3,663,203 km (0.111 R)
• M9: 4,123,217 km (0.104 R)
• M10: 5,158,583 km (0.117 R)
• M11: 6,454,999 km (0.065 R)
• M12: 7,161,400 km (0.119 R)
• M13: 7,733,612 km (0.064 R)
• M14: 8,182,405 km (0.078 R)
• M15: 9,132,052 km (0.07 R)
• M16: 10,065,543 km (0.067 R)
• M17: 10,375,510 km (0.07 R)
• M18: 11,107,941 km (0.11 R)
• M19: 12,472,124 km (0.105 R)
• M20: 16,671,037 km (0.106 R)
• M21: 18,388,121 km (0.073 R)
• M22: 19,871,833 km (0.072 R)
• M23: 20,928,293 km (0.109 R)
• M24: 21,433,785 km (0.046 R)
• M25: 22,695,643 km (0.114 R)
• M26: 23,229,258 km (0.058 R)
• M27: 25,448,094 km (0.068 R)
• M28: 28,065,159 km (0.093 R)
• M29: 30,856,506 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.3

Radius: 3.8

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.32 AU - 8.56 AU

Year: 12903 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,913,821 km

• M1: 47,273 km (0.06 R)
• M2: 186,100 km (0.057 R)
• M3: 307,124 km (0.091 R)
• M4: 465,100 km (0.117 R)
• M5: 629,657 km (0.117 R)
• M6: 786,885 km (0.06 R)
• M7: 1,001,707 km (0.102 R)
• M8: 1,254,677 km (0.048 R)
• M9: 1,711,998 km (0.1 R)
• M10: 2,162,288 km (0.112 R)
• M11: 2,687,227 km (0.117 R)
• M12: 3,463,340 km (0.117 R)
• M13: 3,743,687 km (0.063 R)
• M14: 3,956,864 km (0.117 R)
• M15: 4,736,717 km (0.107 R)
• M16: 5,081,989 km (0.103 R)
• M17: 8,071,553 km (0.036 R)
• M18: 8,248,228 km (0.066 R)
• M19: 9,411,501 km (0.073 R)
• M20: 10,006,901 km (0.062 R)
• M21: 11,829,900 km (0.062 R)
• M22: 12,288,867 km (0.085 R)
• M23: 14,180,083 km (0.091 R)
• M24: 17,550,822 km (0.062 R)
• M25: 21,418,974 km (0.083 R)
• M26: 28,789,661 km (0.052 R)
• M27: 33,433,628 km (0.103 R)
• M28: 36,711,467 km (0.099 R)
• M29: 39,305,793 km (0.093 R)
• M30: 40,712,313 km (0.112 R)
• M31: 44,033,086 km (0.114 R)
• M32: 44,169,519 km (0.092 R)
• M33: 44,856,024 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.5

Radius: 3.3

Gravity: 69.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.54 AU - 9.32 AU

Year: 15562 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 60,913,821 km

• M1: 55,351 km (0.08 R)
• M2: 167,550 km (0.094 R)
• M3: 293,062 km (0.065 R)
• M4: 604,525 km (0.092 R)
• M5: 838,197 km (0.113 R)
• M6: 1,262,307 km (0.077 R)
• M7: 1,498,223 km (0.062 R)
• M8: 1,710,652 km (0.102 R)
• M9: 2,492,151 km (0.095 R)
• M10: 2,862,705 km (0.089 R)
• M11: 3,654,676 km (0.086 R)
• M12: 4,483,299 km (0.032 R)
• M13: 4,751,079 km (0.115 R)
• M14: 5,281,702 km (0.109 R)
• M15: 6,009,346 km (0.106 R)
• M16: 7,802,576 km (0.105 R)
• M17: 8,640,474 km (0.097 R)
• M18: 9,536,715 km (0.107 R)
• M19: 12,594,346 km (0.058 R)
• M20: 15,256,140 km (0.073 R)
• M21: 15,405,738 km (0.072 R)
• M22: 15,784,221 km (0.092 R)
• M23: 17,117,288 km (0.074 R)
• M24: 18,354,163 km (0.078 R)
• M25: 18,951,357 km (0.101 R)
• M26: 20,820,284 km (0.057 R)
• M27: 21,189,641 km (0.046 R)
• M28: 27,487,711 km (0.057 R)
• M29: 29,758,008 km (0.06 R)
• M30: 31,540,617 km (0.114 R)
• M31: 31,783,414 km (0.12 R)
• M32: 36,639,361 km (0.113 R)
• M33: 37,042,527 km (0.095 R)
• M34: 40,089,836 km (0.095 R)
• M35: 44,508,658 km (0.055 R)
• M36: 45,429,732 km (0.098 R)
• M37: 47,628,072 km (0.112 R)
• M38: 51,559,953 km (0.12 R)
• M39: 54,472,175 km (0.119 R)
• M40: 55,525,643 km (0.103 R)
• M41: 58,036,494 km (0.085 R)
• M42: 63,090,359 km (0.115 R)
• M43: 65,427,676 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500

Radius: 7.2

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.47 AU - 9.25 AU

Year: 16768 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,913,821 km

• M1: 96,341 km (0.083 R)
• M2: 426,803 km (0.053 R)
• M3: 1,468,154 km (0.08 R)
• M4: 1,884,036 km (0.119 R)
• M5: 2,177,547 km (0.098 R)
• M6: 2,880,357 km (0.082 R)
• M7: 4,595,946 km (0.114 R)
• M8: 4,824,980 km (0.061 R)
• M9: 5,971,349 km (0.097 R)
• M10: 8,790,820 km (0.108 R)
• M11: 9,093,755 km (0.1 R)
• M12: 11,294,639 km (0.099 R)
• M13: 11,773,951 km (0.091 R)
• M14: 12,391,940 km (0.114 R)
• M15: 13,227,593 km (0.118 R)
• M16: 14,585,643 km (0.116 R)
• M17: 31,114,861 km (0.1 R)
• M18: 33,872,099 km (0.039 R)
• M19: 34,742,460 km (0.059 R)
• M20: 37,840,183 km (0.098 R)
• M21: 39,047,737 km (0.049 R)
• M22: 39,592,572 km (0.084 R)
• M23: 42,680,422 km (0.104 R)
• M24: 48,541,966 km (0.113 R)
• M25: 54,748,183 km (0.041 R)
• M26: 59,107,315 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 20,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit