🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 11.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.92 AU - 0.96 AU

Year: 579 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,750,948 km

• M1: 143,016 km (0.091 R)
• M2: 553,662 km (0.083 R)
• M3: 921,822 km (0.102 R)
• M4: 1,282,503 km (0.049 R)
• M5: 1,940,584 km (0.09 R)
• M6: 2,961,290 km (0.062 R)
• M7: 3,573,145 km (0.112 R)
• M8: 4,062,480 km (0.106 R)
• M9: 4,465,796 km (0.114 R)
• M10: 4,880,481 km (0.108 R)
• M11: 5,240,413 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 10.1

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.16 AU - 1.4 AU

Year: 921 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,750,948 km

• M1: 125,961 km (0.093 R)
• M2: 565,779 km (0.119 R)
• M3: 1,028,037 km (0.11 R)
• M4: 1,493,436 km (0.12 R)
• M5: 1,866,383 km (0.117 R)
• M6: 2,181,287 km (0.067 R)
• M7: 2,531,944 km (0.05 R)
• M8: 2,881,105 km (0.113 R)
• M9: 3,305,515 km (0.056 R)
• M10: 4,687,350 km (0.103 R)
• M11: 5,477,077 km (0.112 R)
• M12: 5,872,016 km (0.119 R)
• M13: 6,308,243 km (0.116 R)
• M14: 7,148,085 km (0.111 R)
• M15: 8,273,809 km (0.106 R)
• M16: 9,077,898 km (0.04 R)
• M17: 9,396,242 km (0.106 R)
• M18: 9,994,185 km (0.107 R)
• M19: 10,459,135 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 13

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.72 AU - 2.16 AU

Year: 1718 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,750,948 km

• M1: 161,715 km (0.11 R)
• M2: 714,479 km (0.046 R)
• M3: 1,241,513 km (0.047 R)
• M4: 2,070,435 km (0.052 R)
• M5: 2,872,578 km (0.08 R)
• M6: 3,331,395 km (0.118 R)
• M7: 4,491,078 km (0.076 R)
• M8: 4,932,691 km (0.087 R)
• M9: 6,270,395 km (0.116 R)
• M10: 6,799,223 km (0.085 R)
• M11: 7,675,119 km (0.065 R)
• M12: 8,140,667 km (0.075 R)
• M13: 9,526,692 km (0.055 R)
• M14: 9,936,590 km (0.095 R)
• M15: 11,030,300 km (0.12 R)
• M16: 11,695,562 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.9

Radius: 4.4

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.17 AU - 7.83 AU

Year: 10537 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,750,948 km

• M1: 61,335 km (0.119 R)
• M2: 457,021 km (0.114 R)
• M3: 634,594 km (0.088 R)
• M4: 949,946 km (0.114 R)
• M5: 1,176,288 km (0.111 R)
• M6: 1,665,623 km (0.08 R)
• M7: 1,810,733 km (0.119 R)
• M8: 2,667,629 km (0.059 R)
• M9: 2,887,389 km (0.094 R)
• M10: 3,716,759 km (0.06 R)
• M11: 7,140,755 km (0.103 R)
• M12: 8,938,922 km (0.084 R)
• M13: 10,568,790 km (0.1 R)
• M14: 14,955,000 km (0.087 R)
• M15: 17,578,947 km (0.112 R)
• M16: 18,350,872 km (0.105 R)
• M17: 20,188,981 km (0.109 R)
• M18: 21,824,983 km (0.092 R)
• M19: 23,046,300 km (0.11 R)
• M20: 26,433,345 km (0.085 R)
• M21: 26,982,220 km (0.076 R)
• M22: 29,351,401 km (0.109 R)
• M23: 31,039,165 km (0.084 R)
• M24: 37,398,121 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.3

Radius: 5.4

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.69 AU - 6.89 AU

Year: 11250 Days

Day: 24 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,750,948 km

• M1: 67,169 km (0.096 R)
• M2: 521,349 km (0.103 R)
• M3: 1,482,066 km (0.104 R)
• M4: 1,724,564 km (0.114 R)
• M5: 2,026,752 km (0.086 R)
• M6: 2,992,257 km (0.097 R)
• M7: 3,675,620 km (0.079 R)
• M8: 8,093,544 km (0.071 R)
• M9: 9,217,174 km (0.081 R)
• M10: 11,992,214 km (0.1 R)
• M11: 12,503,240 km (0.078 R)
• M12: 13,266,788 km (0.036 R)
• M13: 14,565,148 km (0.085 R)
• M14: 19,893,525 km (0.12 R)
• M15: 23,555,531 km (0.091 R)
• M16: 29,239,203 km (0.097 R)
• M17: 36,122,799 km (0.091 R)
• M18: 37,907,352 km (0.06 R)
• M19: 42,559,098 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.2

Radius: 7

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9 AU - 12.4 AU

Year: 22254 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,750,948 km

• M1: 88,263 km (0.106 R)
• M2: 495,319 km (0.041 R)
• M3: 910,004 km (0.119 R)
• M4: 1,288,038 km (0.116 R)
• M5: 2,358,859 km (0.109 R)
• M6: 2,615,270 km (0.065 R)
• M7: 3,157,263 km (0.094 R)
• M8: 3,679,210 km (0.11 R)
• M9: 3,929,038 km (0.08 R)
• M10: 5,633,407 km (0.108 R)
• M11: 6,180,636 km (0.102 R)
• M12: 7,331,941 km (0.076 R)
• M13: 8,894,491 km (0.093 R)
• M14: 9,174,987 km (0.054 R)
• M15: 10,666,927 km (0.063 R)
• M16: 11,176,756 km (0.104 R)
• M17: 11,904,101 km (0.101 R)
• M18: 12,176,219 km (0.116 R)
• M19: 15,693,265 km (0.084 R)
• M20: 20,120,315 km (0.061 R)
• M21: 21,095,843 km (0.032 R)
• M22: 21,797,158 km (0.107 R)
• M23: 22,307,586 km (0.052 R)
• M24: 24,648,493 km (0.099 R)
• M25: 29,069,110 km (0.094 R)
• M26: 29,563,082 km (0.089 R)
• M27: 33,045,272 km (0.072 R)
• M28: 34,401,377 km (0.101 R)
• M29: 34,815,314 km (0.04 R)
• M30: 35,935,503 km (0.068 R)
• M31: 44,621,454 km (0.103 R)
• M32: 47,459,775 km (0.102 R)
• M33: 50,950,192 km (0.098 R)
• M34: 59,026,682 km (0.072 R)
• M35: 59,421,770 km (0.077 R)
• M36: 60,417,344 km (0.096 R)
• M37: 63,263,892 km (0.071 R)
• M38: 64,720,228 km (0.095 R)
• M39: 80,289,776 km (0.077 R)
• M40: 81,018,168 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 17,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit