🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 10.4

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.68 AU - 0.74 AU

Year: 392 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,660,228 km

• M1: 129,402 km (0.089 R)
• M2: 520,301 km (0.119 R)
• M3: 877,392 km (0.077 R)
• M4: 1,217,128 km (0.108 R)
• M5: 1,682,527 km (0.062 R)
• M6: 2,015,532 km (0.085 R)
• M7: 3,087,251 km (0.039 R)
• M8: 3,494,307 km (0.117 R)
• M9: 4,003,389 km (0.104 R)
• M10: 4,431,388 km (0.112 R)
• M11: 5,013,174 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.5

Radius: 10.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.85 AU - 0.97 AU

Year: 569 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 120.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,660,228 km

• M1: 125,662 km (0.109 R)
• M2: 454,329 km (0.095 R)
• M3: 835,953 km (0.12 R)
• M4: 1,860,399 km (0.118 R)
• M5: 2,215,245 km (0.111 R)
• M6: 3,163,696 km (0.096 R)
• M7: 3,761,788 km (0.045 R)
• M8: 4,169,442 km (0.12 R)
• M9: 4,504,990 km (0.051 R)
• M10: 5,042,645 km (0.063 R)
• M11: 5,407,963 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 10.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.89 AU - 1.09 AU

Year: 646 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,660,228 km

• M1: 134,189 km (0.103 R)
• M2: 509,530 km (0.099 R)
• M3: 1,143,676 km (0.059 R)
• M4: 2,012,241 km (0.116 R)
• M5: 2,502,623 km (0.098 R)
• M6: 2,982,982 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.3

Radius: 11.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.17 AU

Year: 646 Days

Day: 11.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,660,228 km

• M1: 142,118 km (0.083 R)
• M2: 745,745 km (0.12 R)
• M3: 1,103,733 km (0.091 R)
• M4: 1,479,373 km (0.06 R)
• M5: 1,985,313 km (0.112 R)
• M6: 2,418,549 km (0.111 R)
• M7: 3,079,173 km (0.031 R)
• M8: 3,583,916 km (0.103 R)
• M9: 4,506,486 km (0.047 R)
• M10: 5,057,455 km (0.119 R)
• M11: 5,490,990 km (0.072 R)
• M12: 5,911,659 km (0.099 R)
• M13: 6,674,459 km (0.098 R)
• M14: 7,175,611 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 13.2

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.9 AU - 2.48 AU

Year: 2126 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,660,228 km

• M1: 164,258 km (0.105 R)
• M2: 835,803 km (0.112 R)
• M3: 1,417,889 km (0.117 R)
• M4: 1,877,603 km (0.091 R)
• M5: 2,781,324 km (0.096 R)
• M6: 3,410,233 km (0.026 R)
• M7: 4,562,585 km (0.108 R)
• M8: 5,090,666 km (0.093 R)
• M9: 5,659,437 km (0.085 R)
• M10: 6,456,943 km (0.1 R)
• M11: 6,925,185 km (0.077 R)
• M12: 10,193,449 km (0.102 R)
• M13: 10,640,149 km (0.065 R)
• M14: 11,335,031 km (0.085 R)
• M15: 12,018,693 km (0.12 R)
• M16: 12,901,171 km (0.115 R)
• M17: 14,328,334 km (0.082 R)
• M18: 16,106,904 km (0.098 R)
• M19: 16,611,946 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 14.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.3 AU - 3.52 AU

Year: 3256 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,660,228 km

• M1: 179,069 km (0.079 R)
• M2: 759,209 km (0.091 R)
• M3: 1,226,553 km (0.118 R)
• M4: 2,244,118 km (0.03 R)
• M5: 2,968,022 km (0.116 R)
• M6: 4,711,435 km (0.113 R)
• M7: 5,415,144 km (0.109 R)
• M8: 6,162,235 km (0.098 R)
• M9: 8,689,692 km (0.052 R)
• M10: 9,822,297 km (0.1 R)
• M11: 11,443,190 km (0.052 R)
• M12: 13,105,372 km (0.091 R)
• M13: 13,723,510 km (0.115 R)
• M14: 15,745,026 km (0.091 R)
• M15: 17,320,890 km (0.091 R)
• M16: 17,850,916 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 9.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.27 AU - 3.93 AU

Year: 4481 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,660,228 km

• M1: 113,994 km (0.082 R)
• M2: 445,054 km (0.101 R)
• M3: 754,272 km (0.049 R)
• M4: 1,071,570 km (0.065 R)
• M5: 1,467,705 km (0.088 R)
• M6: 2,223,174 km (0.059 R)
• M7: 2,912,371 km (0.097 R)
• M8: 3,892,686 km (0.097 R)
• M9: 4,508,281 km (0.078 R)
• M10: 5,078,698 km (0.091 R)
• M11: 6,458,140 km (0.087 R)
• M12: 8,035,051 km (0.047 R)
• M13: 9,643,827 km (0.068 R)
• M14: 11,363,454 km (0.119 R)
• M15: 12,173,527 km (0.109 R)
• M16: 12,919,871 km (0.063 R)
• M17: 13,538,607 km (0.112 R)
• M18: 13,961,969 km (0.112 R)
• M19: 14,779,671 km (0.117 R)
• M20: 15,860,665 km (0.109 R)
• M21: 18,307,638 km (0.05 R)
• M22: 20,094,884 km (0.082 R)
• M23: 22,729,003 km (0.028 R)
• M24: 23,783,069 km (0.098 R)
• M25: 24,633,833 km (0.117 R)
• M26: 25,265,285 km (0.056 R)
• M27: 28,845,461 km (0.082 R)
• M28: 29,546,926 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.6

Radius: 4.5

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.39 AU - 7.93 AU

Year: 11275 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 157.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,660,228 km

• M1: 56,847 km (0.088 R)
• M2: 330,013 km (0.095 R)
• M3: 615,894 km (0.117 R)
• M4: 839,693 km (0.118 R)
• M5: 1,062,893 km (0.034 R)
• M6: 1,438,683 km (0.076 R)
• M7: 1,671,756 km (0.101 R)
• M8: 1,913,656 km (0.095 R)
• M9: 2,093,323 km (0.057 R)
• M10: 2,486,765 km (0.113 R)
• M11: 2,661,197 km (0.12 R)
• M12: 3,257,045 km (0.086 R)
• M13: 3,466,183 km (0.096 R)
• M14: 4,678,823 km (0.111 R)
• M15: 5,128,813 km (0.106 R)
• M16: 5,806,492 km (0.07 R)
• M17: 6,913,217 km (0.114 R)
• M18: 8,238,355 km (0.114 R)
• M19: 8,539,794 km (0.105 R)
• M20: 8,803,984 km (0.088 R)
• M21: 9,629,316 km (0.11 R)
• M22: 11,013,844 km (0.039 R)
• M23: 12,866,913 km (0.044 R)
• M24: 17,527,186 km (0.107 R)
• M25: 17,810,823 km (0.1 R)
• M26: 19,883,203 km (0.076 R)
• M27: 29,881,875 km (0.092 R)
• M28: 33,440,659 km (0.076 R)
• M29: 33,767,680 km (0.078 R)
• M30: 34,206,900 km (0.098 R)
• M31: 36,002,074 km (0.087 R)
• M32: 40,268,605 km (0.119 R)
• M33: 40,762,577 km (0.085 R)
• M34: 41,888,601 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.2

Radius: 7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.57 AU - 7.83 AU

Year: 11377 Days

Day: 23.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,660,228 km

• M1: 87,515 km (0.112 R)
• M2: 455,675 km (0.049 R)
• M3: 691,591 km (0.116 R)
• M4: 1,284,896 km (0.092 R)
• M5: 1,675,795 km (0.095 R)
• M6: 1,983,967 km (0.106 R)
• M7: 2,544,660 km (0.056 R)
• M8: 3,293,696 km (0.104 R)
• M9: 3,804,124 km (0.077 R)
• M10: 4,808,076 km (0.084 R)
• M11: 5,279,907 km (0.044 R)
• M12: 5,685,617 km (0.107 R)
• M13: 6,213,248 km (0.07 R)
• M14: 6,594,573 km (0.105 R)
• M15: 7,327,902 km (0.097 R)
• M16: 9,669,558 km (0.076 R)
• M17: 10,469,009 km (0.095 R)
• M18: 11,009,207 km (0.083 R)
• M19: 13,075,303 km (0.072 R)
• M20: 14,110,819 km (0.077 R)
• M21: 14,648,623 km (0.063 R)
• M22: 15,701,643 km (0.1 R)
• M23: 16,279,091 km (0.089 R)
• M24: 17,004,042 km (0.091 R)
• M25: 17,340,637 km (0.058 R)
• M26: 17,613,055 km (0.119 R)
• M27: 17,957,579 km (0.04 R)
• M28: 20,194,965 km (0.097 R)
• M29: 20,420,857 km (0.101 R)
• M30: 22,450,152 km (0.113 R)
• M31: 23,018,774 km (0.078 R)
• M32: 27,178,792 km (0.073 R)
• M33: 29,435,326 km (0.113 R)
• M34: 29,823,084 km (0.106 R)
• M35: 30,214,432 km (0.07 R)
• M36: 31,712,205 km (0.066 R)
• M37: 33,679,567 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.3

Radius: 3

Gravity: 42.7 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.32 AU - 10.48 AU

Year: 20434 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,660,228 km

• M1: 38,447 km (0.083 R)
• M2: 136,583 km (0.057 R)
• M3: 408,402 km (0.117 R)
• M4: 523,742 km (0.11 R)
• M5: 801,396 km (0.118 R)
• M6: 2,161,390 km (0.045 R)
• M7: 2,859,713 km (0.083 R)
• M8: 4,486,739 km (0.097 R)
• M9: 7,476,752 km (0.078 R)
• M10: 9,243,802 km (0.104 R)
• M11: 9,779,961 km (0.101 R)
• M12: 10,393,312 km (0.107 R)
• M13: 11,390,980 km (0.113 R)
• M14: 11,512,454 km (0.1 R)
• M15: 13,779,909 km (0.083 R)
• M16: 16,404,903 km (0.066 R)
• M17: 17,189,095 km (0.116 R)
• M18: 24,584,764 km (0.115 R)
• M19: 27,418,597 km (0.079 R)
• M20: 31,884,841 km (0.078 R)
• M21: 48,457,443 km (0.092 R)
• M22: 50,555,404 km (0.073 R)
• M23: 56,679,342 km (0.087 R)
• M24: 59,735,627 km (0.056 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: 537 - 20,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit