🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.41 AU - 0.61 AU

Year: 235 Days

Day: 18.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.3

Radius: 10.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.9 AU - 2.8 AU

Year: 2326 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,130,954 km

• M1: 130,599 km (0.103 R)
• M2: 661,223 km (0.104 R)
• M3: 996,621 km (0.107 R)
• M4: 1,337,255 km (0.081 R)
• M5: 1,905,129 km (0.092 R)
• M6: 2,480,632 km (0.119 R)
• M7: 2,896,963 km (0.109 R)
• M8: 3,295,192 km (0.104 R)
• M9: 4,414,783 km (0.066 R)
• M10: 5,654,650 km (0.11 R)
• M11: 6,558,670 km (0.097 R)
• M12: 7,167,533 km (0.101 R)
• M13: 8,683,259 km (0.101 R)
• M14: 10,124,185 km (0.111 R)
• M15: 12,180,857 km (0.09 R)
• M16: 12,775,957 km (0.077 R)
• M17: 13,981,567 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 11.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.45 AU - 4.41 AU

Year: 5030 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,130,954 km

• M1: 139,425 km (0.077 R)
• M2: 531,372 km (0.025 R)
• M3: 912,846 km (0.116 R)
• M4: 1,270,684 km (0.071 R)
• M5: 1,650,214 km (0.117 R)
• M6: 2,150,320 km (0.038 R)
• M7: 3,605,757 km (0.052 R)
• M8: 4,003,688 km (0.063 R)
• M9: 5,238,469 km (0.118 R)
• M10: 6,141,591 km (0.047 R)
• M11: 6,876,416 km (0.053 R)
• M12: 7,885,453 km (0.071 R)
• M13: 8,330,806 km (0.102 R)
• M14: 9,272,076 km (0.084 R)
• M15: 11,695,262 km (0.03 R)
• M16: 14,185,618 km (0.085 R)
• M17: 15,240,133 km (0.056 R)
• M18: 15,757,443 km (0.109 R)
• M19: 17,818,602 km (0.094 R)
• M20: 22,175,192 km (0.097 R)
• M21: 25,072,454 km (0.071 R)
• M22: 25,632,548 km (0.082 R)
• M23: 27,531,394 km (0.061 R)
• M24: 29,345,418 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 14.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.73 AU - 4.39 AU

Year: 5282 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,130,954 km

• M1: 180,415 km (0.105 R)
• M2: 766,988 km (0.078 R)
• M3: 1,234,332 km (0.066 R)
• M4: 2,123,991 km (0.1 R)
• M5: 4,108,706 km (0.105 R)
• M6: 5,588,228 km (0.078 R)
• M7: 7,260,433 km (0.063 R)
• M8: 7,789,561 km (0.078 R)
• M9: 8,535,007 km (0.089 R)
• M10: 9,246,196 km (0.103 R)
• M11: 9,868,822 km (0.093 R)
• M12: 10,343,197 km (0.112 R)
• M13: 12,795,405 km (0.076 R)
• M14: 14,211,349 km (0.109 R)
• M15: 16,258,895 km (0.103 R)
• M16: 17,106,068 km (0.115 R)
• M17: 17,603,181 km (0.03 R)
• M18: 19,892,926 km (0.069 R)
• M19: 21,003,242 km (0.101 R)
• M20: 22,820,407 km (0.086 R)
• M21: 24,898,322 km (0.075 R)
• M22: 25,376,736 km (0.104 R)
• M23: 27,861,556 km (0.059 R)
• M24: 29,784,038 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.6

Radius: 3.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.08 AU - 7.66 AU

Year: 10381 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,130,954 km

• M1: 43,683 km (0.085 R)
• M2: 221,106 km (0.091 R)
• M3: 878,887 km (0.059 R)
• M4: 995,574 km (0.079 R)
• M5: 1,619,397 km (0.089 R)
• M6: 1,996,683 km (0.078 R)
• M7: 2,922,544 km (0.094 R)
• M8: 3,313,144 km (0.104 R)
• M9: 3,563,720 km (0.064 R)
• M10: 3,790,960 km (0.113 R)
• M11: 3,935,471 km (0.107 R)
• M12: 10,014,829 km (0.035 R)
• M13: 10,787,951 km (0.05 R)
• M14: 11,225,824 km (0.111 R)
• M15: 11,449,323 km (0.084 R)
• M16: 12,571,008 km (0.038 R)
• M17: 13,096,845 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.2

Radius: 6.6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.63 AU - 9.15 AU

Year: 17115 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,130,954 km

• M1: 82,129 km (0.111 R)
• M2: 376,538 km (0.106 R)
• M3: 678,277 km (0.071 R)
• M4: 886,068 km (0.109 R)
• M5: 1,114,654 km (0.078 R)
• M6: 1,786,498 km (0.113 R)
• M7: 2,341,207 km (0.025 R)
• M8: 2,849,690 km (0.107 R)
• M9: 3,656,471 km (0.113 R)
• M10: 4,946,454 km (0.115 R)
• M11: 5,204,061 km (0.096 R)
• M12: 5,572,969 km (0.111 R)
• M13: 6,363,145 km (0.078 R)
• M14: 7,266,567 km (0.102 R)
• M15: 7,684,992 km (0.027 R)
• M16: 8,342,624 km (0.09 R)
• M17: 9,920,583 km (0.034 R)
• M18: 10,331,079 km (0.116 R)
• M19: 13,529,332 km (0.079 R)
• M20: 14,226,907 km (0.084 R)
• M21: 15,901,206 km (0.077 R)
• M22: 16,321,876 km (0.082 R)
• M23: 20,861,124 km (0.061 R)
• M24: 23,193,504 km (0.05 R)
• M25: 24,468,826 km (0.058 R)
• M26: 25,407,852 km (0.114 R)
• M27: 31,006,103 km (0.11 R)
• M28: 36,519,084 km (0.067 R)
• M29: 37,620,573 km (0.082 R)
• M30: 45,256,647 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.4

Radius: 7.1

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.72 AU - 10.84 AU

Year: 18253 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,130,954 km

• M1: 88,263 km (0.082 R)
• M2: 316,549 km (0.071 R)
• M3: 1,293,124 km (0.093 R)
• M4: 1,838,408 km (0.105 R)
• M5: 2,390,873 km (0.107 R)
• M6: 2,918,505 km (0.105 R)
• M7: 3,155,617 km (0.095 R)
• M8: 4,073,550 km (0.113 R)
• M9: 5,706,710 km (0.112 R)
• M10: 7,152,573 km (0.028 R)
• M11: 10,872,923 km (0.089 R)
• M12: 11,707,081 km (0.092 R)
• M13: 12,309,062 km (0.102 R)
• M14: 12,652,390 km (0.091 R)
• M15: 13,286,236 km (0.086 R)
• M16: 15,315,381 km (0.066 R)
• M17: 15,552,793 km (0.12 R)
• M18: 16,280,138 km (0.047 R)
• M19: 17,456,276 km (0.115 R)
• M20: 18,868,630 km (0.109 R)
• M21: 20,260,339 km (0.109 R)
• M22: 21,225,395 km (0.113 R)
• M23: 21,520,701 km (0.077 R)
• M24: 22,525,251 km (0.068 R)
• M25: 23,246,761 km (0.076 R)
• M26: 29,339,134 km (0.074 R)
• M27: 30,448,253 km (0.117 R)
• M28: 30,824,043 km (0.101 R)
• M29: 33,012,510 km (0.038 R)
• M30: 33,409,244 km (0.057 R)
• M31: 36,697,854 km (0.056 R)
• M32: 38,859,393 km (0.1 R)
• M33: 40,346,546 km (0.093 R)
• M34: 47,847,233 km (0.034 R)
• M35: 53,817,984 km (0.086 R)
• M36: 55,851,168 km (0.119 R)
• M37: 65,116,363 km (0.084 R)
• M38: 71,757,162 km (0.075 R)
• M39: 73,992,004 km (0.084 R)
• M40: 74,671,478 km (0.059 R)
• M41: 77,198,186 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 14,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit