🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.5

Radius: 10.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.61 AU - 0.75 AU

Year: 357 Days

Day: 7.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,432,459 km

• M1: 135,536 km (0.076 R)
• M2: 494,720 km (0.096 R)
• M3: 981,212 km (0.118 R)
• M4: 1,629,570 km (0.096 R)
• M5: 1,984,565 km (0.114 R)
• M6: 2,554,384 km (0.068 R)
• M7: 3,463,191 km (0.099 R)
• M8: 3,868,451 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 9.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.93 AU - 0.95 AU

Year: 579 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,432,459 km

• M1: 123,119 km (0.114 R)
• M2: 470,934 km (0.084 R)
• M3: 807,829 km (0.109 R)
• M4: 1,207,404 km (0.059 R)
• M5: 1,572,124 km (0.12 R)
• M6: 1,958,984 km (0.095 R)
• M7: 2,519,527 km (0.112 R)
• M8: 2,939,000 km (0.109 R)
• M9: 3,493,409 km (0.064 R)
• M10: 3,850,500 km (0.114 R)
• M11: 5,054,463 km (0.088 R)
• M12: 5,530,334 km (0.098 R)
• M13: 6,223,720 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 14.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.01 AU - 1.43 AU

Year: 857 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,432,459 km

• M1: 176,525 km (0.083 R)
• M2: 926,908 km (0.095 R)
• M3: 2,342,254 km (0.036 R)
• M4: 3,330,049 km (0.092 R)
• M5: 3,831,800 km (0.119 R)
• M6: 4,473,724 km (0.108 R)
• M7: 5,544,995 km (0.065 R)
• M8: 6,179,140 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 13.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.17 AU - 1.71 AU

Year: 1099 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,432,459 km

• M1: 170,392 km (0.114 R)
• M2: 714,629 km (0.099 R)
• M3: 1,355,806 km (0.111 R)
• M4: 1,920,388 km (0.105 R)
• M5: 2,431,713 km (0.116 R)
• M6: 3,071,693 km (0.11 R)
• M7: 3,563,870 km (0.087 R)
• M8: 4,675,233 km (0.116 R)
• M9: 5,886,377 km (0.116 R)
• M10: 6,673,262 km (0.106 R)
• M11: 7,251,308 km (0.072 R)
• M12: 7,838,480 km (0.087 R)
• M13: 8,636,435 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 8.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.73 AU - 2.21 AU

Year: 1758 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,432,459 km

• M1: 108,159 km (0.076 R)
• M2: 380,128 km (0.101 R)
• M3: 764,894 km (0.054 R)
• M4: 1,048,980 km (0.08 R)
• M5: 1,356,404 km (0.098 R)
• M6: 1,714,840 km (0.118 R)
• M7: 2,005,958 km (0.109 R)
• M8: 2,425,879 km (0.105 R)
• M9: 2,795,236 km (0.065 R)
• M10: 3,085,755 km (0.06 R)
• M11: 3,504,929 km (0.111 R)
• M12: 3,843,768 km (0.099 R)
• M13: 4,151,640 km (0.083 R)
• M14: 4,914,888 km (0.109 R)
• M15: 6,964,678 km (0.115 R)
• M16: 7,660,907 km (0.101 R)
• M17: 8,894,042 km (0.082 R)
• M18: 9,744,805 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 9.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.23 AU - 2.51 AU

Year: 2320 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 113.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,432,459 km

• M1: 122,072 km (0.065 R)
• M2: 439,219 km (0.085 R)
• M3: 747,092 km (0.071 R)
• M4: 1,265,299 km (0.066 R)
• M5: 1,646,773 km (0.107 R)
• M6: 2,496,190 km (0.094 R)
• M7: 3,295,043 km (0.081 R)
• M8: 4,255,611 km (0.064 R)
• M9: 4,676,130 km (0.098 R)
• M10: 5,014,820 km (0.108 R)
• M11: 5,530,633 km (0.106 R)
• M12: 6,460,234 km (0.118 R)
• M13: 7,749,918 km (0.072 R)
• M14: 9,771,883 km (0.109 R)
• M15: 11,238,540 km (0.037 R)
• M16: 12,765,037 km (0.119 R)
• M17: 13,684,615 km (0.037 R)
• M18: 14,827,692 km (0.103 R)
• M19: 15,469,018 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 8.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.19 AU - 4.95 AU

Year: 6212 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,432,459 km

• M1: 110,702 km (0.069 R)
• M2: 453,132 km (0.104 R)
• M3: 847,921 km (0.088 R)
• M4: 1,412,802 km (0.06 R)
• M5: 1,716,785 km (0.091 R)
• M6: 2,210,757 km (0.098 R)
• M7: 2,641,150 km (0.119 R)
• M8: 3,281,878 km (0.048 R)
• M9: 3,778,393 km (0.04 R)
• M10: 4,396,233 km (0.109 R)
• M11: 5,350,069 km (0.079 R)
• M12: 6,068,886 km (0.11 R)
• M13: 7,488,271 km (0.107 R)
• M14: 10,527,950 km (0.084 R)
• M15: 11,376,918 km (0.053 R)
• M16: 12,078,981 km (0.052 R)
• M17: 12,710,433 km (0.106 R)
• M18: 13,009,180 km (0.114 R)
• M19: 14,358,703 km (0.057 R)
• M20: 16,436,617 km (0.06 R)
• M21: 20,287,266 km (0.092 R)
• M22: 22,967,911 km (0.1 R)
• M23: 23,263,067 km (0.104 R)
• M24: 23,785,912 km (0.059 R)
• M25: 24,777,596 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.2

Radius: 4

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.79 AU - 7.39 AU

Year: 9556 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,432,459 km

• M1: 49,816 km (0.076 R)
• M2: 227,688 km (0.1 R)
• M3: 353,649 km (0.057 R)
• M4: 1,792,182 km (0.058 R)
• M5: 2,019,870 km (0.113 R)
• M6: 2,314,877 km (0.076 R)
• M7: 2,857,170 km (0.087 R)
• M8: 2,990,461 km (0.056 R)
• M9: 3,352,638 km (0.105 R)
• M10: 4,310,812 km (0.105 R)
• M11: 4,486,590 km (0.045 R)
• M12: 6,258,876 km (0.086 R)
• M13: 7,513,104 km (0.086 R)
• M14: 10,779,125 km (0.095 R)
• M15: 11,150,128 km (0.095 R)
• M16: 11,386,343 km (0.119 R)
• M17: 12,822,482 km (0.069 R)
• M18: 15,692,218 km (0.109 R)
• M19: 16,168,538 km (0.076 R)
• M20: 19,502,775 km (0.078 R)
• M21: 21,185,302 km (0.12 R)
• M22: 21,547,629 km (0.087 R)
• M23: 22,135,847 km (0.115 R)
• M24: 23,114,517 km (0.07 R)
• M25: 23,421,342 km (0.059 R)
• M26: 25,645,862 km (0.094 R)
• M27: 26,140,134 km (0.106 R)
• M28: 26,893,508 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.7

Radius: 3.7

Gravity: 32.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.56 AU - 8.04 AU

Year: 12541 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,432,459 km

• M1: 46,525 km (0.095 R)
• M2: 189,391 km (0.095 R)
• M3: 380,727 km (0.1 R)
• M4: 543,639 km (0.103 R)
• M5: 823,985 km (0.116 R)
• M6: 981,063 km (0.097 R)
• M7: 1,134,849 km (0.095 R)
• M8: 1,788,143 km (0.073 R)
• M9: 2,158,996 km (0.06 R)
• M10: 3,143,500 km (0.075 R)
• M11: 3,554,445 km (0.097 R)
• M12: 3,838,831 km (0.09 R)
• M13: 5,033,520 km (0.06 R)
• M14: 6,306,448 km (0.083 R)
• M15: 7,037,084 km (0.051 R)
• M16: 7,402,103 km (0.106 R)
• M17: 8,437,170 km (0.057 R)
• M18: 10,114,013 km (0.077 R)
• M19: 11,494,801 km (0.101 R)
• M20: 11,830,349 km (0.07 R)
• M21: 13,919,633 km (0.058 R)
• M22: 17,239,359 km (0.1 R)
• M23: 17,531,524 km (0.117 R)
• M24: 17,901,480 km (0.059 R)
• M25: 18,580,355 km (0.111 R)
• M26: 19,749,911 km (0.074 R)
• M27: 20,967,488 km (0.096 R)
• M28: 21,552,416 km (0.12 R)
• M29: 27,118,354 km (0.093 R)
• M30: 27,513,442 km (0.106 R)
• M31: 35,182,577 km (0.078 R)
• M32: 39,818,316 km (0.042 R)
• M33: 39,945,623 km (0.09 R)
• M34: 42,946,557 km (0.094 R)
• M35: 43,618,401 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625

Radius: 6.5

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.27 AU - 9.14 AU

Year: 16316 Days

Day: 16.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,432,459 km

• M1: 80,783 km (0.117 R)
• M2: 297,999 km (0.086 R)
• M3: 611,257 km (0.083 R)
• M4: 1,004,251 km (0.115 R)
• M5: 1,493,436 km (0.108 R)
• M6: 2,310,390 km (0.105 R)
• M7: 2,769,505 km (0.118 R)
• M8: 3,447,333 km (0.108 R)
• M9: 4,107,359 km (0.092 R)
• M10: 4,355,692 km (0.114 R)
• M11: 4,986,097 km (0.068 R)
• M12: 5,637,596 km (0.065 R)
• M13: 6,761,973 km (0.094 R)
• M14: 7,331,941 km (0.031 R)
• M15: 9,129,210 km (0.106 R)
• M16: 10,383,738 km (0.072 R)
• M17: 13,773,326 km (0.087 R)
• M18: 14,190,256 km (0.095 R)
• M19: 14,544,204 km (0.036 R)
• M20: 15,269,754 km (0.026 R)
• M21: 17,029,474 km (0.107 R)
• M22: 19,871,983 km (0.107 R)
• M23: 21,777,261 km (0.053 R)
• M24: 22,918,843 km (0.108 R)
• M25: 26,052,020 km (0.118 R)
• M26: 36,478,693 km (0.046 R)
• M27: 47,306,587 km (0.049 R)
• M28: 48,734,349 km (0.047 R)
• M29: 50,847,119 km (0.114 R)
• M30: 54,043,577 km (0.116 R)
• M31: 56,659,894 km (0.101 R)
• M32: 60,833,675 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 12,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit