🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.4

Radius: 13.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.51 AU - 0.71 AU

Year: 329 Days

Day: 11.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,338,950 km

• M1: 164,109 km (0.103 R)
• M2: 663,766 km (0.065 R)
• M3: 1,346,680 km (0.117 R)
• M4: 1,878,800 km (0.106 R)
• M5: 2,737,791 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 11.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.47 AU - 1.65 AU

Year: 1345 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,338,950 km

• M1: 146,756 km (0.086 R)
• M2: 539,151 km (0.063 R)
• M3: 1,259,016 km (0.067 R)
• M4: 1,649,017 km (0.118 R)
• M5: 2,120,999 km (0.112 R)
• M6: 3,569,854 km (0.113 R)
• M7: 4,385,761 km (0.098 R)
• M8: 5,057,605 km (0.027 R)
• M9: 6,540,569 km (0.117 R)
• M10: 7,251,158 km (0.098 R)
• M11: 7,911,483 km (0.111 R)
• M12: 9,267,887 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 9.9

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.38 AU - 2.04 AU

Year: 1543 Days

Day: 12.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,338,950 km

• M1: 123,119 km (0.105 R)
• M2: 441,912 km (0.082 R)
• M3: 837,000 km (0.095 R)
• M4: 1,274,275 km (0.118 R)
• M5: 1,589,777 km (0.104 R)
• M6: 2,059,215 km (0.077 R)
• M7: 2,371,276 km (0.115 R)
• M8: 3,342,166 km (0.119 R)
• M9: 3,917,968 km (0.093 R)
• M10: 4,440,663 km (0.12 R)
• M11: 5,094,406 km (0.066 R)
• M12: 5,489,643 km (0.107 R)
• M13: 6,024,306 km (0.116 R)
• M14: 6,983,677 km (0.098 R)
• M15: 8,070,955 km (0.1 R)
• M16: 9,658,338 km (0.11 R)
• M17: 10,026,348 km (0.068 R)
• M18: 10,613,371 km (0.032 R)
• M19: 11,481,188 km (0.086 R)
• M20: 13,398,733 km (0.104 R)
• M21: 14,282,558 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.8

Radius: 9.5

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.2 AU - 3.96 AU

Year: 4676 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,338,950 km

• M1: 118,182 km (0.079 R)
• M2: 450,888 km (0.057 R)
• M3: 785,838 km (0.108 R)
• M4: 1,356,254 km (0.117 R)
• M5: 2,229,607 km (0.109 R)
• M6: 2,553,187 km (0.115 R)
• M7: 3,156,365 km (0.111 R)
• M8: 3,566,413 km (0.095 R)
• M9: 3,897,025 km (0.12 R)
• M10: 4,296,600 km (0.113 R)
• M11: 4,723,403 km (0.069 R)
• M12: 8,393,637 km (0.1 R)
• M13: 9,062,190 km (0.066 R)
• M14: 11,049,598 km (0.089 R)
• M15: 11,756,149 km (0.091 R)
• M16: 12,492,469 km (0.032 R)
• M17: 12,795,555 km (0.063 R)
• M18: 14,385,182 km (0.069 R)
• M19: 16,461,450 km (0.119 R)
• M20: 18,664,429 km (0.105 R)
• M21: 19,462,982 km (0.091 R)
• M22: 19,802,270 km (0.102 R)
• M23: 20,492,964 km (0.104 R)
• M24: 30,077,849 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.23 AU - 4.57 AU

Year: 5316 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,338,950 km

• M1: 131,945 km (0.096 R)
• M2: 528,380 km (0.079 R)
• M3: 862,432 km (0.096 R)
• M4: 1,964,519 km (0.099 R)
• M5: 2,450,712 km (0.1 R)
• M6: 3,532,903 km (0.109 R)
• M7: 3,964,643 km (0.103 R)
• M8: 4,405,956 km (0.108 R)
• M9: 4,852,506 km (0.064 R)
• M10: 5,300,253 km (0.076 R)
• M11: 6,879,557 km (0.087 R)
• M12: 7,889,941 km (0.119 R)
• M13: 8,630,002 km (0.093 R)
• M14: 11,417,609 km (0.087 R)
• M15: 12,312,952 km (0.102 R)
• M16: 14,186,964 km (0.106 R)
• M17: 15,517,488 km (0.071 R)
• M18: 17,119,681 km (0.056 R)
• M19: 23,048,245 km (0.071 R)
• M20: 23,993,554 km (0.095 R)
• M21: 24,964,593 km (0.116 R)
• M22: 27,681,740 km (0.082 R)
• M23: 30,684,318 km (0.11 R)
• M24: 31,157,497 km (0.111 R)
• M25: 32,802,475 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640

Radius: 14.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.95 AU - 5.51 AU

Year: 7101 Days

Day: 6.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,338,950 km

• M1: 175,329 km (0.101 R)
• M2: 805,435 km (0.083 R)
• M3: 3,468,576 km (0.066 R)
• M4: 4,153,734 km (0.106 R)
• M5: 5,070,620 km (0.074 R)
• M6: 7,721,943 km (0.09 R)
• M7: 9,108,266 km (0.108 R)
• M8: 16,406,249 km (0.091 R)
• M9: 17,387,761 km (0.042 R)
• M10: 18,477,431 km (0.059 R)
• M11: 19,757,092 km (0.118 R)
• M12: 21,477,467 km (0.083 R)
• M13: 21,942,118 km (0.099 R)
• M14: 23,376,911 km (0.065 R)
• M15: 24,873,339 km (0.099 R)
• M16: 32,608,745 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.3

Radius: 13.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.56 AU - 6.08 AU

Year: 8470 Days

Day: 13.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,338,950 km

• M1: 167,101 km (0.057 R)
• M2: 703,708 km (0.106 R)
• M3: 1,231,639 km (0.026 R)
• M4: 1,705,117 km (0.114 R)
• M5: 2,267,754 km (0.098 R)
• M6: 5,833,719 km (0.083 R)
• M7: 6,795,483 km (0.103 R)
• M8: 9,525,196 km (0.08 R)
• M9: 20,489,822 km (0.062 R)
• M10: 21,028,673 km (0.048 R)
• M11: 22,866,184 km (0.079 R)
• M12: 25,069,611 km (0.064 R)
• M13: 35,970,808 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 4.2

Gravity: 51.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.95 AU - 6.25 AU

Year: 10399 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,338,950 km

• M1: 52,210 km (0.048 R)
• M2: 194,028 km (0.095 R)
• M3: 351,405 km (0.099 R)
• M4: 573,708 km (0.116 R)
• M5: 885,320 km (0.079 R)
• M6: 1,853,817 km (0.065 R)
• M7: 3,302,672 km (0.045 R)
• M8: 4,194,724 km (0.056 R)
• M9: 4,871,954 km (0.101 R)
• M10: 5,872,165 km (0.108 R)
• M11: 6,094,916 km (0.059 R)
• M12: 7,126,543 km (0.058 R)
• M13: 8,223,245 km (0.06 R)
• M14: 8,502,245 km (0.118 R)
• M15: 8,884,169 km (0.1 R)
• M16: 10,311,033 km (0.109 R)
• M17: 11,708,128 km (0.071 R)
• M18: 12,061,328 km (0.099 R)
• M19: 14,264,606 km (0.098 R)
• M20: 17,702,514 km (0.075 R)
• M21: 18,640,942 km (0.072 R)
• M22: 21,391,598 km (0.115 R)
• M23: 23,183,930 km (0.112 R)
• M24: 25,758,958 km (0.119 R)
• M25: 26,155,991 km (0.117 R)
• M26: 28,624,206 km (0.072 R)
• M27: 30,574,065 km (0.055 R)
• M28: 33,309,163 km (0.09 R)
• M29: 35,342,347 km (0.037 R)
• M30: 37,710,930 km (0.095 R)
• M31: 37,966,144 km (0.103 R)
• M32: 41,526,574 km (0.089 R)
• M33: 43,178,134 km (0.082 R)
• M34: 45,303,322 km (0.111 R)
• M35: 45,447,384 km (0.058 R)
• M36: 45,881,517 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.6

Radius: 3.5

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.41 AU - 6.99 AU

Year: 11971 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,338,950 km

• M1: 43,533 km (0.088 R)
• M2: 422,913 km (0.088 R)
• M3: 968,197 km (0.115 R)
• M4: 1,956,890 km (0.091 R)
• M5: 5,806,342 km (0.111 R)
• M6: 6,275,182 km (0.102 R)
• M7: 6,732,652 km (0.117 R)
• M8: 7,249,962 km (0.062 R)
• M9: 7,753,358 km (0.105 R)
• M10: 8,786,481 km (0.115 R)
• M11: 13,492,082 km (0.117 R)
• M12: 13,665,017 km (0.109 R)
• M13: 21,937,481 km (0.083 R)
• M14: 25,445,551 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.3

Radius: 3.3

Gravity: 29.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.4 AU - 11.92 AU

Year: 22354 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,338,950 km

• M1: 40,990 km (0.053 R)
• M2: 281,394 km (0.106 R)
• M3: 705,952 km (0.095 R)
• M4: 1,430,604 km (0.065 R)
• M5: 2,174,106 km (0.104 R)
• M6: 2,896,963 km (0.026 R)
• M7: 3,569,405 km (0.089 R)
• M8: 8,941,166 km (0.086 R)
• M9: 12,975,072 km (0.033 R)
• M10: 13,374,349 km (0.097 R)
• M11: 20,031,903 km (0.089 R)
• M12: 21,107,362 km (0.089 R)
• M13: 22,410,060 km (0.044 R)
• M14: 30,194,834 km (0.09 R)
• M15: 38,096,444 km (0.093 R)
• M16: 42,737,120 km (0.108 R)
• M17: 44,965,679 km (0.074 R)
• M18: 57,990,119 km (0.076 R)
• M19: 58,349,004 km (0.08 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 17,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit