🌌 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: 450.6

Radius: 13.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 10.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,369,932 km

• M1: 171,738 km (0.073 R)
• M2: 602,879 km (0.094 R)
• M3: 1,081,293 km (0.072 R)
• M4: 1,693,149 km (0.045 R)
• M5: 2,165,130 km (0.12 R)
• M6: 2,940,645 km (0.092 R)
• M7: 3,552,052 km (0.109 R)
• M8: 4,552,862 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.14 AU - 1.2 AU

Year: 817 Days

Day: 15 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,369,932 km

• M1: 181,761 km (0.104 R)
• M2: 706,700 km (0.108 R)
• M3: 1,271,582 km (0.025 R)
• M4: 2,224,969 km (0.076 R)
• M5: 2,883,649 km (0.081 R)
• M6: 3,803,825 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 13

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.1 AU - 1.76 AU

Year: 1104 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,369,932 km

• M1: 178,620 km (0.081 R)
• M2: 617,390 km (0.099 R)
• M3: 1,255,725 km (0.118 R)
• M4: 2,854,477 km (0.106 R)
• M5: 4,076,243 km (0.067 R)
• M6: 4,724,600 km (0.078 R)
• M7: 5,784,202 km (0.071 R)
• M8: 7,138,212 km (0.034 R)
• M9: 8,291,911 km (0.041 R)
• M10: 10,434,152 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 11.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.52 AU - 1.56 AU

Year: 1234 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,369,932 km

• M1: 138,228 km (0.091 R)
• M2: 514,168 km (0.078 R)
• M3: 958,025 km (0.106 R)
• M4: 1,391,260 km (0.108 R)
• M5: 2,409,124 km (0.06 R)
• M6: 3,556,689 km (0.084 R)
• M7: 4,425,853 km (0.114 R)
• M8: 5,101,736 km (0.114 R)
• M9: 5,566,686 km (0.119 R)
• M10: 6,243,168 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 14.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.11 AU - 2.19 AU

Year: 2036 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,369,932 km

• M1: 175,329 km (0.086 R)
• M2: 624,721 km (0.088 R)
• M3: 1,194,539 km (0.086 R)
• M4: 1,755,830 km (0.107 R)
• M5: 2,343,301 km (0.08 R)
• M6: 2,949,920 km (0.109 R)
• M7: 3,463,789 km (0.053 R)
• M8: 4,915,936 km (0.046 R)
• M9: 8,328,413 km (0.053 R)
• M10: 9,123,376 km (0.046 R)
• M11: 10,410,067 km (0.119 R)
• M12: 13,653,498 km (0.032 R)
• M13: 14,338,058 km (0.12 R)
• M14: 18,001,112 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 10.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.97 AU - 3.53 AU

Year: 3783 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,369,932 km

• M1: 150,645 km (0.101 R)
• M2: 483,201 km (0.091 R)
• M3: 1,159,234 km (0.094 R)
• M4: 1,705,266 km (0.078 R)
• M5: 2,934,063 km (0.106 R)
• M6: 3,331,993 km (0.082 R)
• M7: 4,282,239 km (0.095 R)
• M8: 6,589,637 km (0.096 R)
• M9: 7,373,230 km (0.093 R)
• M10: 7,703,692 km (0.114 R)
• M11: 8,681,912 km (0.094 R)
• M12: 9,201,017 km (0.086 R)
• M13: 10,098,903 km (0.109 R)
• M14: 10,548,445 km (0.118 R)
• M15: 10,968,665 km (0.118 R)
• M16: 11,487,620 km (0.089 R)
• M17: 12,204,942 km (0.068 R)
• M18: 13,434,188 km (0.059 R)
• M19: 15,645,095 km (0.068 R)
• M20: 16,303,176 km (0.083 R)
• M21: 18,088,477 km (0.092 R)
• M22: 20,128,244 km (0.057 R)
• M23: 21,907,711 km (0.042 R)
• M24: 22,317,010 km (0.039 R)
• M25: 23,646,786 km (0.102 R)
• M26: 24,440,403 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 11.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.43 AU - 4.33 AU

Year: 4935 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 76.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,369,932 km

• M1: 142,716 km (0.119 R)
• M2: 665,711 km (0.102 R)
• M3: 1,058,854 km (0.044 R)
• M4: 1,446,013 km (0.114 R)
• M5: 1,915,900 km (0.053 R)
• M6: 2,502,324 km (0.104 R)
• M7: 3,149,783 km (0.076 R)
• M8: 3,573,744 km (0.118 R)
• M9: 4,396,681 km (0.105 R)
• M10: 4,754,520 km (0.085 R)
• M11: 5,262,255 km (0.086 R)
• M12: 6,476,989 km (0.115 R)
• M13: 7,429,329 km (0.097 R)
• M14: 11,730,717 km (0.089 R)
• M15: 13,487,894 km (0.075 R)
• M16: 15,414,415 km (0.09 R)
• M17: 15,965,234 km (0.097 R)
• M18: 16,415,225 km (0.111 R)
• M19: 16,873,742 km (0.063 R)
• M20: 18,300,457 km (0.113 R)
• M21: 18,855,764 km (0.101 R)
• M22: 21,733,878 km (0.118 R)
• M23: 25,270,222 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 12.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.9 AU - 6.98 AU

Year: 9347 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,369,932 km

• M1: 171,738 km (0.111 R)
• M2: 738,265 km (0.113 R)
• M3: 2,060,262 km (0.106 R)
• M4: 3,065,260 km (0.093 R)
• M5: 5,122,979 km (0.114 R)
• M6: 9,571,721 km (0.095 R)
• M7: 10,835,075 km (0.078 R)
• M8: 11,755,700 km (0.089 R)
• M9: 12,845,670 km (0.05 R)
• M10: 13,324,234 km (0.108 R)
• M11: 13,814,765 km (0.109 R)
• M12: 16,731,774 km (0.087 R)
• M13: 17,740,213 km (0.118 R)
• M14: 23,755,244 km (0.11 R)
• M15: 29,949,793 km (0.081 R)
• M16: 34,783,749 km (0.112 R)
• M17: 37,749,826 km (0.088 R)
• M18: 42,840,193 km (0.09 R)
• M19: 45,273,402 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.1

Radius: 7.1

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.43 AU - 10.85 AU

Year: 17842 Days

Day: 21.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,369,932 km

• M1: 88,263 km (0.098 R)
• M2: 524,939 km (0.097 R)
• M3: 1,440,478 km (0.077 R)
• M4: 2,278,675 km (0.105 R)
• M5: 3,048,505 km (0.116 R)
• M6: 4,109,154 km (0.069 R)
• M7: 4,512,021 km (0.102 R)
• M8: 4,795,061 km (0.05 R)
• M9: 6,525,010 km (0.108 R)
• M10: 6,887,486 km (0.106 R)
• M11: 7,903,405 km (0.091 R)
• M12: 8,526,929 km (0.092 R)
• M13: 17,352,455 km (0.119 R)
• M14: 18,048,684 km (0.116 R)
• M15: 19,776,839 km (0.04 R)
• M16: 27,095,914 km (0.038 R)
• M17: 35,895,560 km (0.066 R)
• M18: 37,598,134 km (0.098 R)
• M19: 48,614,970 km (0.106 R)
• M20: 60,803,905 km (0.072 R)
• M21: 62,003,530 km (0.115 R)
• M22: 62,811,957 km (0.109 R)
• M23: 69,534,437 km (0.072 R)
• M24: 76,720,819 km (0.104 R)
• M25: 78,356,223 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.2

Radius: 5.2

Gravity: 31.26 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.74 AU - 11.62 AU

Year: 22536 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,369,932 km

• M1: 64,776 km (0.107 R)
• M2: 506,239 km (0.089 R)
• M3: 699,520 km (0.116 R)
• M4: 942,317 km (0.079 R)
• M5: 1,707,959 km (0.1 R)
• M6: 1,961,976 km (0.112 R)
• M7: 3,267,068 km (0.102 R)
• M8: 3,916,023 km (0.05 R)
• M9: 4,986,995 km (0.093 R)
• M10: 5,424,718 km (0.066 R)
• M11: 5,631,911 km (0.107 R)
• M12: 6,891,376 km (0.12 R)
• M13: 7,535,694 km (0.068 R)
• M14: 9,350,316 km (0.101 R)
• M15: 13,586,927 km (0.066 R)
• M16: 15,160,847 km (0.071 R)
• M17: 16,418,217 km (0.078 R)
• M18: 18,108,673 km (0.075 R)
• M19: 19,426,181 km (0.093 R)
• M20: 22,889,372 km (0.074 R)
• M21: 26,033,470 km (0.12 R)
• M22: 27,222,624 km (0.064 R)
• M23: 31,007,001 km (0.065 R)
• M24: 39,909,570 km (0.108 R)
• M25: 41,328,656 km (0.103 R)
• M26: 45,276,992 km (0.106 R)
• M27: 48,931,668 km (0.107 R)
• M28: 51,289,929 km (0.072 R)
• M29: 51,844,788 km (0.092 R)
• M30: 53,343,758 km (0.09 R)
• M31: 54,678,770 km (0.067 R)
• M32: 62,107,501 km (0.075 R)
• M33: 67,048,718 km (0.038 R)
• M34: 67,490,331 km (0.097 R)
• M35: 69,051,385 km (0.109 R)
• M36: 70,636,375 km (0.027 R)
• M37: 77,218,980 km (0.107 R)
• M38: 83,176,865 km (0.064 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: 495 - 13,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit