🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 9.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.67 AU - 0.83 AU

Year: 448 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,855,590 km

• M1: 123,119 km (0.068 R)
• M2: 436,527 km (0.086 R)
• M3: 759,508 km (0.105 R)
• M4: 1,319,453 km (0.108 R)
• M5: 1,631,664 km (0.092 R)
• M6: 2,220,332 km (0.11 R)
• M7: 2,784,615 km (0.113 R)
• M8: 3,340,520 km (0.105 R)
• M9: 3,759,245 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 13.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.09 AU - 1.31 AU

Year: 907 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,855,590 km

• M1: 166,652 km (0.104 R)
• M2: 644,767 km (0.101 R)
• M3: 1,068,428 km (0.11 R)
• M4: 1,590,674 km (0.079 R)
• M5: 2,093,024 km (0.117 R)
• M6: 2,731,657 km (0.06 R)
• M7: 4,166,450 km (0.05 R)
• M8: 4,678,225 km (0.108 R)
• M9: 5,168,457 km (0.086 R)
• M10: 5,915,848 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987

Radius: 11

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.35 AU - 1.79 AU

Year: 1358 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,855,590 km

• M1: 136,732 km (0.03 R)
• M2: 538,702 km (0.095 R)
• M3: 964,308 km (0.113 R)
• M4: 1,310,926 km (0.117 R)
• M5: 3,060,922 km (0.096 R)
• M6: 3,562,224 km (0.09 R)
• M7: 4,454,875 km (0.115 R)
• M8: 5,228,296 km (0.076 R)
• M9: 5,900,439 km (0.09 R)
• M10: 6,330,683 km (0.087 R)
• M11: 7,227,672 km (0.066 R)
• M12: 7,637,270 km (0.055 R)
• M13: 8,033,406 km (0.1 R)
• M14: 9,178,577 km (0.046 R)
• M15: 9,626,773 km (0.112 R)
• M16: 10,567,294 km (0.05 R)
• M17: 13,226,247 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757

Radius: 11.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.75 AU - 2.17 AU

Year: 1894 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,855,590 km

• M1: 141,819 km (0.064 R)
• M2: 648,208 km (0.043 R)
• M3: 1,003,054 km (0.115 R)
• M4: 1,823,897 km (0.034 R)
• M5: 2,203,726 km (0.106 R)
• M6: 2,650,725 km (0.064 R)
• M7: 4,821,091 km (0.094 R)
• M8: 5,534,224 km (0.04 R)
• M9: 6,393,215 km (0.108 R)
• M10: 6,814,482 km (0.052 R)
• M11: 7,509,963 km (0.082 R)
• M12: 7,889,941 km (0.115 R)
• M13: 8,375,386 km (0.07 R)
• M14: 13,599,344 km (0.07 R)
• M15: 15,112,975 km (0.091 R)
• M16: 16,150,586 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 11.1

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.17 AU - 3.47 AU

Year: 3269 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,855,590 km

• M1: 138,079 km (0.087 R)
• M2: 523,293 km (0.119 R)
• M3: 910,752 km (0.09 R)
• M4: 1,264,102 km (0.084 R)
• M5: 2,880,956 km (0.108 R)
• M6: 3,409,934 km (0.11 R)
• M7: 4,155,978 km (0.099 R)
• M8: 5,971,797 km (0.034 R)
• M9: 6,468,313 km (0.113 R)
• M10: 7,183,690 km (0.111 R)
• M11: 9,108,566 km (0.093 R)
• M12: 9,609,718 km (0.072 R)
• M13: 10,879,206 km (0.088 R)
• M14: 12,773,265 km (0.032 R)
• M15: 15,519,582 km (0.12 R)
• M16: 17,437,726 km (0.086 R)
• M17: 19,827,103 km (0.076 R)
• M18: 20,669,938 km (0.057 R)
• M19: 21,133,542 km (0.109 R)
• M20: 22,081,543 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 9.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.93 AU - 4.25 AU

Year: 5709 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,855,590 km

• M1: 116,986 km (0.1 R)
• M2: 421,118 km (0.057 R)
• M3: 798,853 km (0.047 R)
• M4: 1,179,878 km (0.115 R)
• M5: 2,472,554 km (0.092 R)
• M6: 3,149,933 km (0.11 R)
• M7: 4,748,087 km (0.113 R)
• M8: 5,518,516 km (0.076 R)
• M9: 8,657,678 km (0.065 R)
• M10: 10,168,466 km (0.08 R)
• M11: 10,498,928 km (0.112 R)
• M12: 11,533,547 km (0.114 R)
• M13: 12,353,044 km (0.092 R)
• M14: 15,583,161 km (0.118 R)
• M15: 15,912,127 km (0.101 R)
• M16: 17,925,116 km (0.114 R)
• M17: 20,296,542 km (0.119 R)
• M18: 21,354,946 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 9.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.72 AU - 5.84 AU

Year: 7214 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,855,590 km

• M1: 121,174 km (0.107 R)
• M2: 520,152 km (0.111 R)
• M3: 1,266,795 km (0.108 R)
• M4: 1,744,610 km (0.102 R)
• M5: 2,142,092 km (0.105 R)
• M6: 3,160,105 km (0.102 R)
• M7: 3,910,040 km (0.03 R)
• M8: 7,949,332 km (0.052 R)
• M9: 9,865,980 km (0.094 R)
• M10: 10,335,418 km (0.09 R)
• M11: 10,686,225 km (0.12 R)
• M12: 11,181,394 km (0.116 R)
• M13: 11,504,375 km (0.12 R)
• M14: 12,363,815 km (0.072 R)
• M15: 13,943,270 km (0.04 R)
• M16: 26,257,418 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 13.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.55 AU - 5.77 AU

Year: 8091 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,855,590 km

• M1: 172,786 km (0.098 R)
• M2: 662,270 km (0.111 R)
• M3: 1,377,048 km (0.057 R)
• M4: 1,888,524 km (0.066 R)
• M5: 2,447,870 km (0.075 R)
• M6: 3,385,849 km (0.11 R)
• M7: 4,266,232 km (0.047 R)
• M8: 5,055,361 km (0.063 R)
• M9: 6,892,871 km (0.089 R)
• M10: 7,594,785 km (0.084 R)
• M11: 8,233,867 km (0.109 R)
• M12: 8,908,553 km (0.058 R)
• M13: 12,315,944 km (0.106 R)
• M14: 14,020,013 km (0.107 R)
• M15: 16,686,745 km (0.04 R)
• M16: 17,222,006 km (0.062 R)
• M17: 21,926,560 km (0.098 R)
• M18: 23,298,073 km (0.088 R)
• M19: 23,967,224 km (0.108 R)
• M20: 25,578,842 km (0.045 R)
• M21: 27,016,627 km (0.071 R)
• M22: 27,755,491 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 3.2

Gravity: 61.01 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.53 AU - 5.57 AU

Year: 9025 Days

Day: 23 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 36,855,590 km

• M1: 39,793 km (0.053 R)
• M2: 204,500 km (0.118 R)
• M3: 305,628 km (0.09 R)
• M4: 407,953 km (0.079 R)
• M5: 677,678 km (0.054 R)
• M6: 856,149 km (0.065 R)
• M7: 991,834 km (0.107 R)
• M8: 1,130,661 km (0.047 R)
• M9: 1,234,332 km (0.087 R)
• M10: 1,528,591 km (0.103 R)
• M11: 1,931,309 km (0.108 R)
• M12: 2,920,898 km (0.117 R)
• M13: 3,659,164 km (0.095 R)
• M14: 3,965,690 km (0.071 R)
• M15: 4,071,456 km (0.05 R)
• M16: 5,080,044 km (0.105 R)
• M17: 5,963,869 km (0.078 R)
• M18: 7,656,419 km (0.089 R)
• M19: 9,454,735 km (0.078 R)
• M20: 9,981,320 km (0.106 R)
• M21: 11,569,750 km (0.055 R)
• M22: 14,102,442 km (0.11 R)
• M23: 14,225,561 km (0.102 R)
• M24: 17,543,492 km (0.084 R)
• M25: 20,700,755 km (0.101 R)
• M26: 22,162,326 km (0.071 R)
• M27: 22,328,978 km (0.104 R)
• M28: 22,833,572 km (0.083 R)
• M29: 23,345,795 km (0.103 R)
• M30: 24,393,130 km (0.044 R)
• M31: 25,380,326 km (0.113 R)
• M32: 26,674,796 km (0.116 R)
• M33: 28,207,427 km (0.11 R)
• M34: 28,402,951 km (0.088 R)
• M35: 34,700,722 km (0.033 R)
• M36: 35,833,328 km (0.082 R)
• M37: 36,640,707 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168

Radius: 4.1

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.86 AU - 7.74 AU

Year: 13614 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,855,590 km

• M1: 86,767 km (0.11 R)
• M2: 598,840 km (0.115 R)
• M3: 1,105,528 km (0.093 R)
• M4: 2,514,142 km (0.081 R)
• M5: 2,856,422 km (0.085 R)
• M6: 3,633,433 km (0.097 R)
• M7: 4,146,703 km (0.115 R)
• M8: 5,976,136 km (0.097 R)
• M9: 14,904,735 km (0.069 R)
• M10: 15,086,347 km (0.069 R)
• M11: 22,733,491 km (0.115 R)
• M12: 26,436,786 km (0.096 R)
• M13: 32,919,610 km (0.091 R)
• M14: 33,849,809 km (0.044 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 14,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit