🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 11.6

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 10.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,931,009 km

• M1: 144,362 km (0.116 R)
• M2: 587,471 km (0.065 R)
• M3: 1,036,264 km (0.1 R)
• M4: 1,413,700 km (0.08 R)
• M5: 1,792,332 km (0.094 R)
• M6: 2,247,858 km (0.09 R)
• M7: 2,799,575 km (0.034 R)
• M8: 3,223,385 km (0.085 R)
• M9: 3,903,607 km (0.101 R)
• M10: 4,718,766 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 13.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.58 AU - 0.66 AU

Year: 331 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,931,009 km

• M1: 169,794 km (0.098 R)
• M2: 1,026,092 km (0.082 R)
• M3: 1,580,801 km (0.085 R)
• M4: 2,194,750 km (0.108 R)
• M5: 2,710,564 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.3

Radius: 12.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.56 AU - 0.8 AU

Year: 380 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,931,009 km

• M1: 152,440 km (0.116 R)
• M2: 598,541 km (0.084 R)
• M3: 979,866 km (0.112 R)
• M4: 1,413,700 km (0.113 R)
• M5: 1,800,111 km (0.101 R)
• M6: 2,524,913 km (0.088 R)
• M7: 2,969,967 km (0.075 R)
• M8: 3,638,220 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 12.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.23 AU - 1.75 AU

Year: 1234 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,931,009 km

• M1: 159,172 km (0.111 R)
• M2: 693,087 km (0.118 R)
• M3: 1,118,543 km (0.062 R)
• M4: 1,559,408 km (0.07 R)
• M5: 2,301,114 km (0.051 R)
• M6: 3,118,368 km (0.105 R)
• M7: 4,639,479 km (0.05 R)
• M8: 5,138,986 km (0.078 R)
• M9: 5,808,437 km (0.116 R)
• M10: 7,481,240 km (0.086 R)
• M11: 8,001,541 km (0.088 R)
• M12: 9,268,486 km (0.106 R)
• M13: 9,804,794 km (0.112 R)
• M14: 11,938,808 km (0.107 R)
• M15: 12,804,082 km (0.104 R)
• M16: 13,232,380 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 8.9

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.03 AU - 2.97 AU

Year: 2681 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,931,009 km

• M1: 110,702 km (0.047 R)
• M2: 431,291 km (0.087 R)
• M3: 753,824 km (0.082 R)
• M4: 1,179,430 km (0.03 R)
• M5: 1,980,227 km (0.102 R)
• M6: 2,359,458 km (0.093 R)
• M7: 3,301,176 km (0.107 R)
• M8: 3,777,047 km (0.117 R)
• M9: 6,349,083 km (0.109 R)
• M10: 7,912,531 km (0.086 R)
• M11: 8,348,908 km (0.079 R)
• M12: 12,801,090 km (0.078 R)
• M13: 21,325,476 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 8.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.42 AU - 2.84 AU

Year: 2893 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,931,009 km

• M1: 108,458 km (0.095 R)
• M2: 532,568 km (0.112 R)
• M3: 868,416 km (0.113 R)
• M4: 1,410,558 km (0.062 R)
• M5: 1,797,119 km (0.077 R)
• M6: 2,151,217 km (0.094 R)
• M7: 2,770,104 km (0.12 R)
• M8: 3,097,274 km (0.107 R)
• M9: 3,718,704 km (0.118 R)
• M10: 4,652,045 km (0.053 R)
• M11: 6,533,986 km (0.078 R)
• M12: 7,318,777 km (0.051 R)
• M13: 7,917,019 km (0.116 R)
• M14: 8,450,634 km (0.071 R)
• M15: 8,775,561 km (0.079 R)
• M16: 10,379,549 km (0.071 R)
• M17: 10,790,345 km (0.068 R)
• M18: 11,644,549 km (0.096 R)
• M19: 12,047,416 km (0.025 R)
• M20: 12,417,820 km (0.096 R)
• M21: 13,095,349 km (0.107 R)
• M22: 13,976,480 km (0.1 R)
• M23: 17,269,279 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.4

Radius: 8.9

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.97 AU - 4.59 AU

Year: 6006 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,931,009 km

• M1: 112,647 km (0.118 R)
• M2: 549,174 km (0.066 R)
• M3: 969,394 km (0.11 R)
• M4: 1,339,051 km (0.109 R)
• M5: 1,787,695 km (0.08 R)
• M6: 2,385,936 km (0.119 R)
• M7: 3,132,729 km (0.111 R)
• M8: 4,493,770 km (0.108 R)
• M9: 5,882,936 km (0.075 R)
• M10: 7,311,596 km (0.075 R)
• M11: 11,485,975 km (0.066 R)
• M12: 13,301,495 km (0.056 R)
• M13: 14,873,469 km (0.093 R)
• M14: 15,798,433 km (0.103 R)
• M15: 18,662,484 km (0.119 R)
• M16: 21,389,504 km (0.104 R)
• M17: 28,079,670 km (0.102 R)
• M18: 33,274,905 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 11

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.13 AU - 4.59 AU

Year: 6175 Days

Day: 6.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,931,009 km

• M1: 142,866 km (0.115 R)
• M2: 1,086,829 km (0.026 R)
• M3: 1,449,454 km (0.116 R)
• M4: 1,954,197 km (0.117 R)
• M5: 2,648,481 km (0.103 R)
• M6: 3,321,073 km (0.036 R)
• M7: 3,854,688 km (0.113 R)
• M8: 4,206,842 km (0.102 R)
• M9: 4,663,714 km (0.072 R)
• M10: 5,273,624 km (0.117 R)
• M11: 5,805,744 km (0.092 R)
• M12: 6,795,932 km (0.111 R)
• M13: 8,550,565 km (0.078 R)
• M14: 10,110,572 km (0.12 R)
• M15: 10,637,905 km (0.097 R)
• M16: 12,277,048 km (0.111 R)
• M17: 13,902,579 km (0.074 R)
• M18: 14,315,469 km (0.108 R)
• M19: 16,504,385 km (0.119 R)
• M20: 16,900,969 km (0.047 R)
• M21: 17,644,470 km (0.07 R)
• M22: 18,059,006 km (0.038 R)
• M23: 21,068,915 km (0.114 R)
• M24: 22,089,173 km (0.104 R)
• M25: 22,896,104 km (0.117 R)
• M26: 26,411,654 km (0.067 R)
• M27: 27,137,203 km (0.05 R)
• M28: 28,062,915 km (0.096 R)
• M29: 32,490,563 km (0.093 R)
• M30: 36,575,034 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.3

Radius: 3.3

Gravity: 63.85 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.64 AU - 7.82 AU

Year: 14577 Days

Day: 19.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,931,009 km

• M1: 40,990 km (0.086 R)
• M2: 249,978 km (0.094 R)
• M3: 390,151 km (0.079 R)
• M4: 1,796,970 km (0.104 R)
• M5: 2,088,087 km (0.09 R)
• M6: 2,224,969 km (0.079 R)
• M7: 2,671,818 km (0.042 R)
• M8: 2,904,592 km (0.084 R)
• M9: 3,252,707 km (0.099 R)
• M10: 4,091,651 km (0.099 R)
• M11: 4,337,740 km (0.103 R)
• M12: 5,241,461 km (0.064 R)
• M13: 5,643,131 km (0.101 R)
• M14: 6,344,296 km (0.083 R)
• M15: 6,928,326 km (0.101 R)
• M16: 8,011,564 km (0.097 R)
• M17: 8,743,098 km (0.079 R)
• M18: 9,624,828 km (0.057 R)
• M19: 9,732,239 km (0.078 R)
• M20: 11,806,713 km (0.101 R)
• M21: 17,273,767 km (0.119 R)
• M22: 22,758,174 km (0.042 R)
• M23: 24,715,363 km (0.08 R)
• M24: 26,782,058 km (0.096 R)
• M25: 27,101,749 km (0.097 R)
• M26: 29,978,964 km (0.096 R)
• M27: 33,791,466 km (0.066 R)
• M28: 36,331,189 km (0.043 R)
• M29: 37,514,508 km (0.045 R)
• M30: 39,819,213 km (0.047 R)
• M31: 40,795,040 km (0.112 R)
• M32: 42,360,582 km (0.069 R)
• M33: 45,308,707 km (0.052 R)
• M34: 56,700,286 km (0.063 R)
• M35: 59,186,602 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.8

Radius: 6.1

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.09 AU - 11.15 AU

Year: 18680 Days

Day: 25 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,931,009 km

• M1: 76,893 km (0.069 R)
• M2: 326,123 km (0.117 R)
• M3: 879,336 km (0.072 R)
• M4: 1,122,283 km (0.116 R)
• M5: 1,915,451 km (0.119 R)
• M6: 2,210,159 km (0.063 R)
• M7: 2,599,263 km (0.119 R)
• M8: 3,786,322 km (0.079 R)
• M9: 4,690,192 km (0.098 R)
• M10: 4,987,593 km (0.117 R)
• M11: 5,619,794 km (0.116 R)
• M12: 8,788,576 km (0.041 R)
• M13: 9,037,955 km (0.109 R)
• M14: 18,096,256 km (0.115 R)
• M15: 24,412,129 km (0.119 R)
• M16: 27,049,988 km (0.107 R)
• M17: 30,209,644 km (0.1 R)
• M18: 31,122,790 km (0.108 R)
• M19: 42,981,263 km (0.104 R)
• M20: 50,060,235 km (0.092 R)
• M21: 55,639,637 km (0.115 R)
• M22: 57,529,806 km (0.114 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: 288 - 16,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit