🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 268 Days

Day: 33 Hours

Environment

Temp: -130 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,576,124 km

• M1: 27,227 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 11

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 5.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,576,124 km

• M1: 138,528 km (0.118 R)
• M2: 531,820 km (0.103 R)
• M3: 922,570 km (0.046 R)
• M4: 1,296,415 km (0.074 R)
• M5: 2,181,586 km (0.113 R)
• M6: 3,345,457 km (0.083 R)
• M7: 5,818,310 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 12.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.09 AU - 1.15 AU

Year: 778 Days

Day: 14.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,576,124 km

• M1: 159,172 km (0.065 R)
• M2: 589,416 km (0.098 R)
• M3: 1,195,736 km (0.071 R)
• M4: 2,066,545 km (0.105 R)
• M5: 2,541,518 km (0.108 R)
• M6: 3,076,630 km (0.117 R)
• M7: 3,516,148 km (0.117 R)
• M8: 3,967,336 km (0.084 R)
• M9: 4,691,838 km (0.117 R)
• M10: 5,445,811 km (0.094 R)
• M11: 6,404,883 km (0.078 R)
• M12: 7,927,939 km (0.039 R)
• M13: 8,375,536 km (0.06 R)
• M14: 9,025,240 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 12.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.18 AU - 1.74 AU

Year: 1157 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,576,124 km

• M1: 155,432 km (0.114 R)
• M2: 646,562 km (0.105 R)
• M3: 1,066,483 km (0.086 R)
• M4: 1,656,348 km (0.041 R)
• M5: 2,085,245 km (0.106 R)
• M6: 2,715,800 km (0.111 R)
• M7: 3,194,064 km (0.09 R)
• M8: 3,797,991 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 10.4

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.6 AU - 2.12 AU

Year: 1664 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,576,124 km

• M1: 129,552 km (0.056 R)
• M2: 474,076 km (0.101 R)
• M3: 821,292 km (0.099 R)
• M4: 1,372,560 km (0.101 R)
• M5: 3,158,609 km (0.085 R)
• M6: 4,462,205 km (0.052 R)
• M7: 5,169,205 km (0.095 R)
• M8: 5,526,893 km (0.065 R)
• M9: 6,545,505 km (0.118 R)
• M10: 7,402,402 km (0.078 R)
• M11: 10,815,028 km (0.032 R)
• M12: 11,703,939 km (0.09 R)
• M13: 12,441,756 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 8.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.25 AU - 5.05 AU

Year: 6578 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,576,124 km

• M1: 113,994 km (0.072 R)
• M2: 620,981 km (0.063 R)
• M3: 1,706,014 km (0.105 R)
• M4: 2,913,269 km (0.09 R)
• M5: 3,320,175 km (0.11 R)
• M6: 6,943,286 km (0.097 R)
• M7: 11,465,181 km (0.114 R)
• M8: 12,598,684 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 9.4

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.07 AU - 6.23 AU

Year: 7667 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,576,124 km

• M1: 174,282 km (0.047 R)
• M2: 510,129 km (0.052 R)
• M3: 843,283 km (0.113 R)
• M4: 1,153,848 km (0.033 R)
• M5: 1,528,890 km (0.112 R)
• M6: 2,167,823 km (0.075 R)
• M7: 2,549,148 km (0.114 R)
• M8: 3,285,020 km (0.039 R)
• M9: 3,841,524 km (0.115 R)
• M10: 4,375,439 km (0.116 R)
• M11: 4,689,744 km (0.066 R)
• M12: 5,268,239 km (0.042 R)
• M13: 6,242,270 km (0.081 R)
• M14: 6,904,690 km (0.086 R)
• M15: 8,325,869 km (0.116 R)
• M16: 10,477,984 km (0.059 R)
• M17: 15,648,984 km (0.039 R)
• M18: 16,183,797 km (0.107 R)
• M19: 16,730,727 km (0.085 R)
• M20: 17,789,281 km (0.082 R)
• M21: 19,883,951 km (0.115 R)
• M22: 20,274,700 km (0.111 R)
• M23: 20,910,342 km (0.106 R)
• M24: 23,499,731 km (0.037 R)
• M25: 27,724,973 km (0.056 R)
• M26: 28,805,668 km (0.047 R)
• M27: 30,016,214 km (0.103 R)
• M28: 32,646,743 km (0.067 R)
• M29: 33,962,457 km (0.071 R)
• M30: 34,858,997 km (0.098 R)
• M31: 37,051,353 km (0.088 R)
• M32: 37,881,771 km (0.038 R)
• M33: 43,126,822 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.1

Radius: 7.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.75 AU - 7.53 AU

Year: 9981 Days

Day: 20.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,576,124 km

• M1: 95,892 km (0.112 R)
• M2: 355,594 km (0.114 R)
• M3: 823,087 km (0.092 R)
• M4: 1,203,964 km (0.028 R)
• M5: 1,566,888 km (0.085 R)
• M6: 1,824,496 km (0.073 R)
• M7: 2,678,849 km (0.075 R)
• M8: 2,929,276 km (0.114 R)
• M9: 3,216,504 km (0.108 R)
• M10: 4,586,222 km (0.109 R)
• M11: 5,661,083 km (0.079 R)
• M12: 6,141,591 km (0.105 R)
• M13: 6,476,690 km (0.082 R)
• M14: 8,339,483 km (0.094 R)
• M15: 8,625,963 km (0.105 R)
• M16: 8,876,838 km (0.083 R)
• M17: 12,652,090 km (0.074 R)
• M18: 13,473,083 km (0.039 R)
• M19: 15,403,644 km (0.115 R)
• M20: 16,086,259 km (0.04 R)
• M21: 17,378,635 km (0.077 R)
• M22: 20,095,632 km (0.114 R)
• M23: 20,835,243 km (0.037 R)
• M24: 21,211,931 km (0.102 R)
• M25: 22,212,441 km (0.069 R)
• M26: 23,812,540 km (0.112 R)
• M27: 24,808,712 km (0.071 R)
• M28: 26,354,657 km (0.08 R)
• M29: 28,329,947 km (0.12 R)
• M30: 28,792,205 km (0.089 R)
• M31: 29,637,133 km (0.102 R)
• M32: 31,277,923 km (0.035 R)
• M33: 34,215,277 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.8

Radius: 6.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.81 AU - 6.97 AU

Year: 10596 Days

Day: 19.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,576,124 km

• M1: 92,601 km (0.106 R)
• M2: 359,783 km (0.12 R)
• M3: 1,241,962 km (0.064 R)
• M4: 3,118,966 km (0.086 R)
• M5: 3,873,837 km (0.105 R)
• M6: 4,331,606 km (0.096 R)
• M7: 5,470,944 km (0.077 R)
• M8: 5,769,242 km (0.071 R)
• M9: 7,142,700 km (0.098 R)
• M10: 9,806,888 km (0.03 R)
• M11: 10,247,604 km (0.047 R)
• M12: 10,472,898 km (0.107 R)
• M13: 14,095,111 km (0.067 R)
• M14: 16,491,220 km (0.109 R)
• M15: 21,479,711 km (0.049 R)
• M16: 29,789,125 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.2

Radius: 6.6

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.44 AU - 6.78 AU

Year: 11148 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 57,576,124 km

• M1: 82,428 km (0.084 R)
• M2: 374,593 km (0.11 R)
• M3: 661,522 km (0.12 R)
• M4: 1,176,438 km (0.083 R)
• M5: 1,528,292 km (0.092 R)
• M6: 3,466,332 km (0.08 R)
• M7: 4,015,656 km (0.107 R)
• M8: 4,372,147 km (0.111 R)
• M9: 6,243,766 km (0.066 R)
• M10: 6,641,248 km (0.105 R)
• M11: 7,268,811 km (0.084 R)
• M12: 7,619,319 km (0.112 R)
• M13: 8,027,123 km (0.113 R)
• M14: 10,673,658 km (0.03 R)
• M15: 13,586,628 km (0.096 R)
• M16: 14,803,308 km (0.087 R)
• M17: 15,224,575 km (0.081 R)
• M18: 15,871,436 km (0.073 R)
• M19: 16,536,399 km (0.058 R)
• M20: 20,228,175 km (0.036 R)
• M21: 23,285,657 km (0.114 R)
• M22: 23,569,444 km (0.116 R)
• M23: 24,531,956 km (0.106 R)
• M24: 24,924,202 km (0.091 R)
• M25: 26,432,448 km (0.085 R)
• M26: 27,156,651 km (0.08 R)
• M27: 27,365,938 km (0.118 R)
• M28: 29,079,732 km (0.097 R)
• M29: 29,298,743 km (0.109 R)
• M30: 29,740,356 km (0.071 R)
• M31: 36,270,153 km (0.105 R)
• M32: 40,341,011 km (0.113 R)
• M33: 44,851,985 km (0.113 R)
• M34: 47,988,304 km (0.114 R)
• M35: 49,375,974 km (0.114 R)
• M36: 50,790,272 km (0.102 R)
• M37: 53,043,665 km (0.103 R)
• M38: 54,194,970 km (0.1 R)
• M39: 55,362,881 km (0.063 R)
• M40: 56,718,088 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 19,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit