🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 12

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.98 AU - 1.04 AU

Year: 677 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,935,639 km

• M1: 149,299 km (0.098 R)
• M2: 542,292 km (0.1 R)
• M3: 1,000,211 km (0.099 R)
• M4: 1,461,870 km (0.046 R)
• M5: 1,858,604 km (0.08 R)
• M6: 2,338,065 km (0.091 R)
• M7: 2,721,036 km (0.093 R)
• M8: 3,343,812 km (0.095 R)
• M9: 3,805,919 km (0.071 R)
• M10: 4,205,944 km (0.085 R)
• M11: 6,447,967 km (0.096 R)
• M12: 6,894,367 km (0.085 R)
• M13: 7,318,029 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 10.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.25 AU - 1.59 AU

Year: 1128 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,935,639 km

• M1: 134,339 km (0.077 R)
• M2: 590,313 km (0.051 R)
• M3: 1,088,025 km (0.115 R)
• M4: 1,523,056 km (0.052 R)
• M5: 1,881,792 km (0.078 R)
• M6: 2,242,322 km (0.04 R)
• M7: 2,608,538 km (0.072 R)
• M8: 3,105,502 km (0.101 R)
• M9: 3,537,990 km (0.081 R)
• M10: 4,436,026 km (0.063 R)
• M11: 5,034,417 km (0.049 R)
• M12: 5,933,052 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.6

Radius: 13.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.44 AU - 1.5 AU

Year: 1189 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,935,639 km

• M1: 171,738 km (0.109 R)
• M2: 627,413 km (0.078 R)
• M3: 1,122,582 km (0.104 R)
• M4: 1,593,367 km (0.079 R)
• M5: 4,050,811 km (0.12 R)
• M6: 4,915,636 km (0.117 R)
• M7: 6,385,585 km (0.062 R)
• M8: 8,004,533 km (0.071 R)
• M9: 9,310,373 km (0.075 R)
• M10: 9,766,347 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.17 AU - 1.79 AU

Year: 1201 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,935,639 km

• M1: 100,530 km (0.046 R)
• M2: 449,093 km (0.057 R)
• M3: 888,611 km (0.086 R)
• M4: 1,227,002 km (0.106 R)
• M5: 1,715,140 km (0.097 R)
• M6: 2,266,707 km (0.102 R)
• M7: 3,138,414 km (0.107 R)
• M8: 3,804,573 km (0.066 R)
• M9: 4,561,688 km (0.052 R)
• M10: 4,925,061 km (0.103 R)
• M11: 5,561,450 km (0.1 R)
• M12: 5,976,585 km (0.088 R)
• M13: 6,412,214 km (0.09 R)
• M14: 7,170,675 km (0.109 R)
• M15: 7,708,629 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.2

Radius: 11.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.68 AU - 2.74 AU

Year: 2191 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,935,639 km

• M1: 144,212 km (0.113 R)
• M2: 526,585 km (0.059 R)
• M3: 1,018,163 km (0.081 R)
• M4: 1,517,072 km (0.067 R)
• M5: 2,907,883 km (0.033 R)
• M6: 3,891,938 km (0.085 R)
• M7: 4,504,093 km (0.066 R)
• M8: 5,346,628 km (0.07 R)
• M9: 6,372,420 km (0.115 R)
• M10: 6,903,493 km (0.075 R)
• M11: 7,313,690 km (0.11 R)
• M12: 9,189,648 km (0.045 R)
• M13: 9,832,021 km (0.071 R)
• M14: 10,390,171 km (0.047 R)
• M15: 12,149,890 km (0.107 R)
• M16: 13,189,446 km (0.034 R)
• M17: 13,731,140 km (0.097 R)
• M18: 15,945,936 km (0.068 R)
• M19: 16,405,650 km (0.069 R)
• M20: 17,032,466 km (0.072 R)
• M21: 18,725,465 km (0.066 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 14.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.86 AU - 3.68 AU

Year: 3943 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,935,639 km

• M1: 188,493 km (0.038 R)
• M2: 761,304 km (0.08 R)
• M3: 1,360,593 km (0.099 R)
• M4: 1,844,243 km (0.086 R)
• M5: 2,623,498 km (0.085 R)
• M6: 3,491,315 km (0.108 R)
• M7: 4,350,904 km (0.057 R)
• M8: 6,429,866 km (0.114 R)
• M9: 6,973,954 km (0.062 R)
• M10: 8,302,532 km (0.028 R)
• M11: 9,264,895 km (0.084 R)
• M12: 9,752,734 km (0.104 R)
• M13: 10,257,627 km (0.094 R)
• M14: 11,690,176 km (0.069 R)
• M15: 13,405,914 km (0.094 R)
• M16: 19,033,636 km (0.118 R)
• M17: 20,499,995 km (0.105 R)
• M18: 22,546,493 km (0.096 R)
• M19: 26,633,208 km (0.1 R)
• M20: 28,042,420 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 13.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.38 AU - 5.08 AU

Year: 5801 Days

Day: 10.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,935,639 km

• M1: 182,659 km (0.059 R)
• M2: 698,772 km (0.054 R)
• M3: 1,269,039 km (0.095 R)
• M4: 1,727,407 km (0.067 R)
• M5: 2,829,644 km (0.093 R)
• M6: 4,553,759 km (0.096 R)
• M7: 5,344,384 km (0.101 R)
• M8: 6,102,097 km (0.053 R)
• M9: 10,125,681 km (0.078 R)
• M10: 11,011,600 km (0.114 R)
• M11: 11,614,629 km (0.101 R)
• M12: 12,045,022 km (0.12 R)
• M13: 14,250,544 km (0.047 R)
• M14: 14,967,267 km (0.043 R)
• M15: 16,472,970 km (0.097 R)
• M16: 17,386,564 km (0.105 R)
• M17: 20,124,354 km (0.103 R)
• M18: 21,381,276 km (0.071 R)
• M19: 23,213,251 km (0.08 R)
• M20: 25,788,728 km (0.116 R)
• M21: 26,276,716 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 9.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.9 AU - 5.36 AU

Year: 6644 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,935,639 km

• M1: 121,922 km (0.113 R)
• M2: 471,682 km (0.113 R)
• M3: 3,062,418 km (0.114 R)
• M4: 4,351,353 km (0.109 R)
• M5: 6,648,877 km (0.115 R)
• M6: 6,970,363 km (0.075 R)
• M7: 10,446,719 km (0.064 R)
• M8: 11,229,265 km (0.083 R)
• M9: 12,529,719 km (0.056 R)
• M10: 13,244,199 km (0.112 R)
• M11: 14,219,427 km (0.06 R)
• M12: 15,489,364 km (0.117 R)
• M13: 15,865,602 km (0.054 R)
• M14: 17,365,171 km (0.063 R)
• M15: 20,795,002 km (0.12 R)
• M16: 21,253,220 km (0.086 R)
• M17: 21,796,410 km (0.059 R)
• M18: 23,729,065 km (0.049 R)
• M19: 26,036,911 km (0.053 R)
• M20: 27,473,051 km (0.073 R)
• M21: 33,329,957 km (0.12 R)
• M22: 34,486,947 km (0.111 R)
• M23: 34,807,236 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.4

Radius: 3.1

Gravity: 63.83 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.75 AU - 10.11 AU

Year: 16322 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,935,639 km

• M1: 38,596 km (0.077 R)
• M2: 214,224 km (0.12 R)
• M3: 450,439 km (0.059 R)
• M4: 710,889 km (0.093 R)
• M5: 1,062,893 km (0.083 R)
• M6: 1,312,422 km (0.087 R)
• M7: 1,599,650 km (0.111 R)
• M8: 1,890,618 km (0.03 R)
• M9: 2,950,818 km (0.118 R)
• M10: 3,254,502 km (0.109 R)
• M11: 3,550,855 km (0.104 R)
• M12: 4,135,035 km (0.109 R)
• M13: 4,259,201 km (0.093 R)
• M14: 5,234,878 km (0.117 R)
• M15: 6,147,724 km (0.025 R)
• M16: 7,295,888 km (0.101 R)
• M17: 7,896,374 km (0.097 R)
• M18: 8,781,545 km (0.102 R)
• M19: 10,343,197 km (0.048 R)
• M20: 13,117,788 km (0.097 R)
• M21: 13,521,553 km (0.06 R)
• M22: 16,196,513 km (0.081 R)
• M23: 18,777,375 km (0.071 R)
• M24: 20,792,758 km (0.025 R)
• M25: 23,142,043 km (0.057 R)
• M26: 24,938,863 km (0.1 R)
• M27: 25,976,324 km (0.118 R)
• M28: 26,612,414 km (0.098 R)
• M29: 28,136,667 km (0.073 R)
• M30: 52,024,006 km (0.107 R)
• M31: 54,399,471 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.9

Radius: 3.6

Gravity: 31.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.4 AU - 13.26 AU

Year: 23767 Days

Day: 24.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,935,639 km

• M1: 44,730 km (0.119 R)
• M2: 156,928 km (0.054 R)
• M3: 312,510 km (0.08 R)
• M4: 739,462 km (0.051 R)
• M5: 1,101,938 km (0.114 R)
• M6: 1,572,722 km (0.064 R)
• M7: 13,080,090 km (0.045 R)
• M8: 17,013,167 km (0.104 R)
• M9: 23,558,972 km (0.027 R)
• M10: 24,915,376 km (0.097 R)
• M11: 38,819,301 km (0.111 R)
• M12: 41,299,783 km (0.075 R)
• M13: 42,199,914 km (0.076 R)
• M14: 44,350,682 km (0.097 R)
• M15: 45,612,092 km (0.103 R)
• M16: 52,453,202 km (0.083 R)
• M17: 55,842,940 km (0.041 R)
• M18: 71,076,342 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit