🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 13.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,267,746 km

• M1: 171,738 km (0.062 R)
• M2: 800,049 km (0.031 R)
• M3: 1,273,078 km (0.084 R)
• M4: 1,981,125 km (0.108 R)
• M5: 2,754,845 km (0.096 R)
• M6: 3,523,329 km (0.077 R)
• M7: 4,000,397 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 8.7

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.89 AU - 1.45 AU

Year: 844 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,267,746 km

• M1: 109,506 km (0.08 R)
• M2: 626,067 km (0.108 R)
• M3: 1,017,714 km (0.102 R)
• M4: 1,301,801 km (0.057 R)
• M5: 2,592,980 km (0.103 R)
• M6: 4,236,163 km (0.063 R)
• M7: 4,749,583 km (0.111 R)
• M8: 5,596,905 km (0.075 R)
• M9: 6,037,172 km (0.12 R)
• M10: 6,459,038 km (0.111 R)
• M11: 7,384,450 km (0.114 R)
• M12: 7,703,991 km (0.105 R)
• M13: 8,080,679 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.2

Radius: 10.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.23 AU - 1.81 AU

Year: 1250 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,267,746 km

• M1: 133,142 km (0.056 R)
• M2: 503,098 km (0.05 R)
• M3: 1,029,533 km (0.098 R)
• M4: 1,498,223 km (0.097 R)
• M5: 1,915,451 km (0.12 R)
• M6: 2,321,909 km (0.095 R)
• M7: 2,852,233 km (0.055 R)
• M8: 3,373,282 km (0.041 R)
• M9: 3,943,101 km (0.113 R)
• M10: 4,958,122 km (0.033 R)
• M11: 5,553,522 km (0.095 R)
• M12: 6,234,192 km (0.112 R)
• M13: 6,805,806 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 10

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.36 AU - 3.16 AU

Year: 3058 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,267,746 km

• M1: 124,316 km (0.111 R)
• M2: 487,240 km (0.116 R)
• M3: 849,866 km (0.097 R)
• M4: 1,245,851 km (0.119 R)
• M5: 1,788,143 km (0.095 R)
• M6: 2,761,128 km (0.077 R)
• M7: 3,364,755 km (0.108 R)
• M8: 3,708,232 km (0.097 R)
• M9: 4,444,104 km (0.096 R)
• M10: 6,872,975 km (0.117 R)
• M11: 7,750,815 km (0.108 R)
• M12: 8,183,004 km (0.105 R)
• M13: 8,737,114 km (0.115 R)
• M14: 9,427,209 km (0.096 R)
• M15: 10,153,357 km (0.067 R)
• M16: 10,957,446 km (0.099 R)
• M17: 15,315,082 km (0.114 R)
• M18: 16,371,991 km (0.039 R)
• M19: 18,513,185 km (0.09 R)
• M20: 19,106,341 km (0.116 R)
• M21: 19,651,027 km (0.04 R)
• M22: 20,330,650 km (0.107 R)
• M23: 21,347,167 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.7

Radius: 13.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.31 AU - 4.73 AU

Year: 6408 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,267,746 km

• M1: 169,195 km (0.095 R)
• M2: 594,502 km (0.08 R)
• M3: 1,355,955 km (0.119 R)
• M4: 1,860,549 km (0.113 R)
• M5: 3,531,707 km (0.114 R)
• M6: 5,490,840 km (0.089 R)
• M7: 7,377,120 km (0.101 R)
• M8: 8,413,534 km (0.07 R)
• M9: 9,004,894 km (0.104 R)
• M10: 9,863,137 km (0.09 R)
• M11: 11,295,986 km (0.111 R)
• M12: 14,624,389 km (0.098 R)
• M13: 17,235,021 km (0.104 R)
• M14: 19,307,700 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696

Radius: 5.2

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.63 AU - 6.33 AU

Year: 9752 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,267,746 km

• M1: 65,075 km (0.094 R)
• M2: 227,538 km (0.072 R)
• M3: 555,008 km (0.084 R)
• M4: 1,148,612 km (0.118 R)
• M5: 1,704,219 km (0.105 R)
• M6: 1,990,998 km (0.096 R)
• M7: 2,199,837 km (0.089 R)
• M8: 3,853,492 km (0.083 R)
• M9: 4,291,215 km (0.116 R)
• M10: 4,822,736 km (0.062 R)
• M11: 5,430,104 km (0.079 R)
• M12: 6,834,379 km (0.087 R)
• M13: 8,645,261 km (0.103 R)
• M14: 10,235,337 km (0.11 R)
• M15: 11,397,563 km (0.086 R)
• M16: 17,362,329 km (0.092 R)
• M17: 18,173,000 km (0.115 R)
• M18: 18,549,687 km (0.036 R)
• M19: 19,632,177 km (0.103 R)
• M20: 20,511,813 km (0.112 R)
• M21: 21,167,800 km (0.085 R)
• M22: 22,092,614 km (0.043 R)
• M23: 26,733,738 km (0.111 R)
• M24: 28,718,303 km (0.096 R)
• M25: 33,089,403 km (0.066 R)
• M26: 34,677,834 km (0.076 R)
• M27: 35,257,376 km (0.11 R)
• M28: 35,961,234 km (0.098 R)
• M29: 36,197,898 km (0.103 R)
• M30: 36,794,045 km (0.076 R)
• M31: 37,034,449 km (0.056 R)
• M32: 41,152,429 km (0.118 R)
• M33: 44,877,416 km (0.111 R)
• M34: 45,427,338 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984

Radius: 7.9

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.56 AU - 6.94 AU

Year: 10420 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,267,746 km

• M1: 104,719 km (0.112 R)
• M2: 562,488 km (0.06 R)
• M3: 1,239,718 km (0.061 R)
• M4: 1,596,359 km (0.086 R)
• M5: 2,110,527 km (0.11 R)
• M6: 2,886,192 km (0.1 R)
• M7: 4,035,552 km (0.102 R)
• M8: 4,540,744 km (0.085 R)
• M9: 6,828,245 km (0.025 R)
• M10: 8,500,151 km (0.038 R)
• M11: 10,000,318 km (0.101 R)
• M12: 11,150,128 km (0.095 R)
• M13: 11,786,517 km (0.103 R)
• M14: 12,264,333 km (0.092 R)
• M15: 13,258,710 km (0.067 R)
• M16: 14,238,875 km (0.056 R)
• M17: 14,849,683 km (0.085 R)
• M18: 18,247,499 km (0.102 R)
• M19: 19,707,425 km (0.055 R)
• M20: 20,042,076 km (0.064 R)
• M21: 20,895,531 km (0.114 R)
• M22: 23,042,261 km (0.095 R)
• M23: 25,233,570 km (0.044 R)
• M24: 25,529,176 km (0.097 R)
• M25: 35,514,983 km (0.058 R)
• M26: 35,886,584 km (0.098 R)
• M27: 37,526,476 km (0.098 R)
• M28: 44,014,536 km (0.034 R)
• M29: 48,427,524 km (0.073 R)
• M30: 51,527,939 km (0.118 R)
• M31: 52,323,202 km (0.101 R)
• M32: 54,923,213 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.3

Radius: 3.4

Gravity: 43.71 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.95 AU - 6.97 AU

Year: 12245 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,267,746 km

• M1: 43,084 km (0.038 R)
• M2: 156,180 km (0.062 R)
• M3: 316,998 km (0.087 R)
• M4: 584,180 km (0.092 R)
• M5: 1,117,945 km (0.103 R)
• M6: 1,419,983 km (0.071 R)
• M7: 1,774,081 km (0.058 R)
• M8: 1,887,626 km (0.111 R)
• M9: 2,530,747 km (0.057 R)
• M10: 4,738,363 km (0.082 R)
• M11: 6,049,289 km (0.09 R)
• M12: 7,086,900 km (0.118 R)
• M13: 7,457,603 km (0.069 R)
• M14: 7,626,350 km (0.049 R)
• M15: 7,971,771 km (0.032 R)
• M16: 8,555,053 km (0.054 R)
• M17: 9,070,268 km (0.112 R)
• M18: 9,408,808 km (0.058 R)
• M19: 15,139,305 km (0.103 R)
• M20: 15,410,077 km (0.05 R)
• M21: 17,994,230 km (0.112 R)
• M22: 19,949,624 km (0.109 R)
• M23: 23,185,875 km (0.091 R)
• M24: 26,071,767 km (0.091 R)
• M25: 28,157,162 km (0.096 R)
• M26: 29,607,513 km (0.032 R)
• M27: 31,434,701 km (0.052 R)
• M28: 34,605,578 km (0.068 R)
• M29: 35,787,850 km (0.104 R)
• M30: 38,608,667 km (0.103 R)
• M31: 39,240,868 km (0.09 R)
• M32: 43,724,017 km (0.114 R)
• M33: 44,826,404 km (0.109 R)
• M34: 46,657,033 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 7.9

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.88 AU - 7.08 AU

Year: 12297 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,267,746 km

• M1: 102,175 km (0.119 R)
• M2: 452,085 km (0.096 R)
• M3: 1,785,899 km (0.087 R)
• M4: 2,318,318 km (0.034 R)
• M5: 3,072,740 km (0.108 R)
• M6: 3,587,357 km (0.086 R)
• M7: 3,837,185 km (0.055 R)
• M8: 5,926,768 km (0.071 R)
• M9: 6,807,601 km (0.088 R)
• M10: 8,241,048 km (0.073 R)
• M11: 8,530,669 km (0.105 R)
• M12: 10,247,005 km (0.037 R)
• M13: 11,692,121 km (0.075 R)
• M14: 11,996,702 km (0.067 R)
• M15: 12,942,161 km (0.09 R)
• M16: 14,210,152 km (0.09 R)
• M17: 18,100,894 km (0.106 R)
• M18: 19,941,695 km (0.111 R)
• M19: 22,554,273 km (0.096 R)
• M20: 23,991,310 km (0.028 R)
• M21: 24,782,234 km (0.093 R)
• M22: 31,043,952 km (0.096 R)
• M23: 33,061,578 km (0.034 R)
• M24: 41,301,130 km (0.091 R)
• M25: 47,339,797 km (0.112 R)
• M26: 48,426,327 km (0.119 R)
• M27: 59,143,069 km (0.11 R)
• M28: 59,501,207 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.4

Radius: 4.2

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.67 AU - 8.99 AU

Year: 17497 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,267,746 km

• M1: 106,364 km (0.094 R)
• M2: 312,360 km (0.088 R)
• M3: 457,470 km (0.045 R)
• M4: 1,450,052 km (0.086 R)
• M5: 1,708,557 km (0.108 R)
• M6: 1,997,132 km (0.053 R)
• M7: 3,240,739 km (0.114 R)
• M8: 4,550,468 km (0.099 R)
• M9: 4,856,396 km (0.097 R)
• M10: 6,218,185 km (0.113 R)
• M11: 8,303,879 km (0.105 R)
• M12: 9,233,330 km (0.045 R)
• M13: 11,174,363 km (0.082 R)
• M14: 12,565,772 km (0.11 R)
• M15: 12,763,990 km (0.071 R)
• M16: 14,354,065 km (0.1 R)
• M17: 17,425,758 km (0.108 R)
• M18: 20,177,761 km (0.108 R)
• M19: 25,244,940 km (0.104 R)
• M20: 26,523,852 km (0.04 R)
• M21: 34,337,648 km (0.118 R)
• M22: 38,208,044 km (0.119 R)
• M23: 41,623,064 km (0.115 R)
• M24: 56,237,430 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 18,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit