🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.6

Radius: 14.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.69 AU - 1.15 AU

Year: 609 Days

Day: 8.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,315,371 km

• M1: 179,517 km (0.085 R)
• M2: 665,112 km (0.098 R)
• M3: 1,590,375 km (0.101 R)
• M4: 2,065,348 km (0.114 R)
• M5: 2,721,335 km (0.04 R)
• M6: 3,703,146 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 12.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.48 AU - 2.78 AU

Year: 2944 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,315,371 km

• M1: 150,495 km (0.115 R)
• M2: 621,280 km (0.061 R)
• M3: 1,378,544 km (0.098 R)
• M4: 1,884,036 km (0.115 R)
• M5: 2,369,181 km (0.04 R)
• M6: 2,751,105 km (0.078 R)
• M7: 3,610,395 km (0.101 R)
• M8: 4,189,638 km (0.103 R)
• M9: 4,772,770 km (0.048 R)
• M10: 5,492,935 km (0.087 R)
• M11: 6,517,231 km (0.099 R)
• M12: 6,951,215 km (0.093 R)
• M13: 7,985,086 km (0.12 R)
• M14: 9,911,607 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.43 AU - 3.49 AU

Year: 3515 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,315,371 km

• M1: 138,528 km (0.058 R)
• M2: 604,226 km (0.066 R)
• M3: 1,050,177 km (0.097 R)
• M4: 1,539,811 km (0.098 R)
• M5: 2,441,736 km (0.094 R)
• M6: 3,075,583 km (0.047 R)
• M7: 3,503,283 km (0.087 R)
• M8: 4,219,707 km (0.06 R)
• M9: 4,849,065 km (0.117 R)
• M10: 6,586,794 km (0.027 R)
• M11: 7,488,271 km (0.066 R)
• M12: 8,499,553 km (0.117 R)
• M13: 9,284,792 km (0.104 R)
• M14: 10,150,814 km (0.085 R)
• M15: 11,104,949 km (0.12 R)
• M16: 11,495,699 km (0.054 R)
• M17: 12,154,977 km (0.102 R)
• M18: 12,762,045 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 14.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.53 AU - 3.63 AU

Year: 3731 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,315,371 km

• M1: 182,809 km (0.028 R)
• M2: 658,679 km (0.056 R)
• M3: 1,489,247 km (0.087 R)
• M4: 3,762,985 km (0.117 R)
• M5: 5,124,026 km (0.1 R)
• M6: 6,290,142 km (0.071 R)
• M7: 6,763,619 km (0.039 R)
• M8: 7,534,048 km (0.081 R)
• M9: 9,357,048 km (0.116 R)
• M10: 9,827,832 km (0.115 R)
• M11: 10,390,919 km (0.098 R)
• M12: 12,040,684 km (0.103 R)
• M13: 13,308,975 km (0.103 R)
• M14: 13,905,720 km (0.055 R)
• M15: 14,858,509 km (0.099 R)
• M16: 16,947,793 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 13.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.45 AU - 5.29 AU

Year: 6306 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,315,371 km

• M1: 164,109 km (0.068 R)
• M2: 757,713 km (0.091 R)
• M3: 1,275,621 km (0.12 R)
• M4: 1,749,996 km (0.057 R)
• M5: 2,511,599 km (0.071 R)
• M6: 3,068,552 km (0.074 R)
• M7: 3,661,857 km (0.113 R)
• M8: 5,052,219 km (0.096 R)
• M9: 5,698,033 km (0.114 R)
• M10: 6,666,829 km (0.069 R)
• M11: 7,444,888 km (0.035 R)
• M12: 7,932,577 km (0.111 R)
• M13: 9,224,953 km (0.116 R)
• M14: 9,744,207 km (0.089 R)
• M15: 11,667,587 km (0.103 R)
• M16: 12,798,247 km (0.038 R)
• M17: 15,336,923 km (0.095 R)
• M18: 18,329,629 km (0.089 R)
• M19: 20,214,562 km (0.086 R)
• M20: 21,541,046 km (0.099 R)
• M21: 22,768,198 km (0.116 R)
• M22: 23,398,902 km (0.107 R)
• M23: 26,469,099 km (0.052 R)
• M24: 31,807,649 km (0.076 R)
• M25: 34,007,486 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 8.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.93 AU - 6.41 AU

Year: 8114 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,315,371 km

• M1: 112,348 km (0.111 R)
• M2: 404,513 km (0.086 R)
• M3: 1,116,898 km (0.104 R)
• M4: 1,636,451 km (0.092 R)
• M5: 1,982,022 km (0.094 R)
• M6: 2,410,022 km (0.088 R)
• M7: 3,882,364 km (0.046 R)
• M8: 4,529,076 km (0.076 R)
• M9: 5,102,335 km (0.113 R)
• M10: 5,540,806 km (0.102 R)
• M11: 7,294,542 km (0.102 R)
• M12: 7,625,602 km (0.109 R)
• M13: 8,638,379 km (0.102 R)
• M14: 9,093,007 km (0.12 R)
• M15: 10,976,744 km (0.114 R)
• M16: 11,265,617 km (0.063 R)
• M17: 11,609,094 km (0.112 R)
• M18: 13,652,451 km (0.056 R)
• M19: 15,741,286 km (0.091 R)
• M20: 18,101,193 km (0.035 R)
• M21: 19,260,875 km (0.101 R)
• M22: 22,801,707 km (0.119 R)
• M23: 23,750,308 km (0.085 R)
• M24: 24,642,808 km (0.074 R)
• M25: 28,437,358 km (0.101 R)
• M26: 29,258,800 km (0.117 R)
• M27: 29,721,955 km (0.072 R)
• M28: 30,473,086 km (0.084 R)
• M29: 32,902,256 km (0.11 R)
• M30: 34,010,926 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 13.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.77 AU - 5.79 AU

Year: 8375 Days

Day: 5.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,315,371 km

• M1: 182,659 km (0.111 R)
• M2: 892,950 km (0.03 R)
• M3: 1,826,291 km (0.1 R)
• M4: 2,510,551 km (0.117 R)
• M5: 5,348,124 km (0.117 R)
• M6: 15,509,260 km (0.12 R)
• M7: 17,260,902 km (0.086 R)
• M8: 19,410,922 km (0.033 R)
• M9: 25,762,249 km (0.088 R)
• M10: 29,449,388 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.3

Radius: 3.6

Gravity: 39.92 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.13 AU - 7.41 AU

Year: 10837 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,315,371 km

• M1: 48,171 km (0.095 R)
• M2: 243,994 km (0.113 R)
• M3: 365,318 km (0.109 R)
• M4: 495,618 km (0.04 R)
• M5: 891,304 km (0.08 R)
• M6: 1,580,801 km (0.089 R)
• M7: 1,853,069 km (0.107 R)
• M8: 2,209,261 km (0.093 R)
• M9: 2,569,343 km (0.098 R)
• M10: 2,690,817 km (0.08 R)
• M11: 3,285,768 km (0.118 R)
• M12: 3,728,278 km (0.071 R)
• M13: 3,857,979 km (0.053 R)
• M14: 4,321,733 km (0.119 R)
• M15: 4,975,625 km (0.081 R)
• M16: 5,164,866 km (0.074 R)
• M17: 6,329,037 km (0.059 R)
• M18: 7,050,548 km (0.103 R)
• M19: 8,124,511 km (0.108 R)
• M20: 8,255,110 km (0.064 R)
• M21: 9,114,699 km (0.074 R)
• M22: 10,385,383 km (0.041 R)
• M23: 10,746,662 km (0.108 R)
• M24: 11,223,431 km (0.083 R)
• M25: 12,049,211 km (0.086 R)
• M26: 15,093,378 km (0.087 R)
• M27: 16,166,144 km (0.081 R)
• M28: 16,791,613 km (0.107 R)
• M29: 19,145,685 km (0.05 R)
• M30: 28,700,351 km (0.063 R)
• M31: 29,105,014 km (0.09 R)
• M32: 33,921,317 km (0.079 R)
• M33: 34,373,552 km (0.076 R)
• M34: 38,503,051 km (0.117 R)
• M35: 40,117,362 km (0.11 R)
• M36: 41,004,926 km (0.083 R)
• M37: 41,647,000 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 5

Gravity: 20.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.4 AU - 7.44 AU

Year: 11228 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,315,371 km

• M1: 62,233 km (0.034 R)
• M2: 245,041 km (0.056 R)
• M3: 493,523 km (0.079 R)
• M4: 652,247 km (0.071 R)
• M5: 845,677 km (0.118 R)
• M6: 1,250,788 km (0.115 R)
• M7: 2,070,883 km (0.086 R)
• M8: 2,822,313 km (0.11 R)
• M9: 3,178,057 km (0.118 R)
• M10: 3,488,622 km (0.042 R)
• M11: 4,484,047 km (0.101 R)
• M12: 5,828,183 km (0.112 R)
• M13: 6,330,383 km (0.104 R)
• M14: 7,838,480 km (0.074 R)
• M15: 9,281,800 km (0.119 R)
• M16: 11,378,564 km (0.078 R)
• M17: 12,683,057 km (0.114 R)
• M18: 13,647,215 km (0.105 R)
• M19: 14,337,909 km (0.102 R)
• M20: 14,724,320 km (0.069 R)
• M21: 18,218,777 km (0.097 R)
• M22: 19,679,899 km (0.095 R)
• M23: 21,051,861 km (0.064 R)
• M24: 22,143,028 km (0.12 R)
• M25: 23,448,419 km (0.068 R)
• M26: 27,572,234 km (0.05 R)
• M27: 34,395,094 km (0.111 R)
• M28: 34,971,045 km (0.119 R)
• M29: 37,098,178 km (0.025 R)
• M30: 39,184,769 km (0.103 R)
• M31: 39,939,490 km (0.116 R)
• M32: 41,348,403 km (0.069 R)
• M33: 41,868,854 km (0.03 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: 456 - 10,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit