🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 11.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.75 AU - 0.99 AU

Year: 524 Days

Day: 12.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,387,576 km

• M1: 150,645 km (0.117 R)
• M2: 682,166 km (0.118 R)
• M3: 1,252,882 km (0.069 R)
• M4: 1,690,456 km (0.112 R)
• M5: 2,073,277 km (0.045 R)
• M6: 2,505,465 km (0.092 R)
• M7: 3,637,771 km (0.049 R)
• M8: 4,009,971 km (0.1 R)
• M9: 4,449,190 km (0.061 R)
• M10: 4,876,143 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 8.1

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.63 AU - 2.03 AU

Year: 1598 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,387,576 km

• M1: 117,285 km (0.115 R)
• M2: 392,545 km (0.102 R)
• M3: 671,844 km (0.109 R)
• M4: 943,813 km (0.054 R)
• M5: 1,324,091 km (0.084 R)
• M6: 1,977,385 km (0.092 R)
• M7: 2,270,746 km (0.066 R)
• M8: 4,034,355 km (0.087 R)
• M9: 5,303,245 km (0.116 R)
• M10: 5,595,110 km (0.073 R)
• M11: 6,089,232 km (0.075 R)
• M12: 6,689,269 km (0.118 R)
• M13: 7,410,929 km (0.088 R)
• M14: 9,359,890 km (0.105 R)
• M15: 13,029,675 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 11.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.76 AU - 2.06 AU

Year: 1704 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,387,576 km

• M1: 148,102 km (0.105 R)
• M2: 537,056 km (0.087 R)
• M3: 1,353,412 km (0.082 R)
• M4: 1,733,989 km (0.078 R)
• M5: 2,130,573 km (0.085 R)
• M6: 2,575,477 km (0.113 R)
• M7: 2,995,697 km (0.097 R)
• M8: 3,856,035 km (0.101 R)
• M9: 4,560,790 km (0.051 R)
• M10: 4,934,336 km (0.115 R)
• M11: 5,743,511 km (0.118 R)
• M12: 6,565,252 km (0.081 R)
• M13: 7,172,769 km (0.094 R)
• M14: 7,734,808 km (0.082 R)
• M15: 8,766,734 km (0.085 R)
• M16: 9,192,041 km (0.118 R)
• M17: 10,018,569 km (0.028 R)
• M18: 11,673,870 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 10.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.37 AU - 2.53 AU

Year: 2476 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,387,576 km

• M1: 126,859 km (0.109 R)
• M2: 458,368 km (0.09 R)
• M3: 784,641 km (0.114 R)
• M4: 1,152,951 km (0.106 R)
• M5: 1,668,764 km (0.075 R)
• M6: 2,010,745 km (0.085 R)
• M7: 2,426,627 km (0.056 R)
• M8: 3,281,579 km (0.092 R)
• M9: 4,089,258 km (0.087 R)
• M10: 5,113,854 km (0.105 R)
• M11: 5,602,141 km (0.075 R)
• M12: 6,070,532 km (0.077 R)
• M13: 7,284,818 km (0.056 R)
• M14: 8,210,829 km (0.055 R)
• M15: 8,589,611 km (0.116 R)
• M16: 9,213,434 km (0.053 R)
• M17: 9,937,787 km (0.104 R)
• M18: 11,538,933 km (0.117 R)
• M19: 12,095,437 km (0.045 R)
• M20: 14,185,618 km (0.108 R)
• M21: 16,357,181 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.9

Radius: 5.9

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.15 AU - 8.27 AU

Year: 11223 Days

Day: 18.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,387,576 km

• M1: 73,453 km (0.091 R)
• M2: 448,494 km (0.104 R)
• M3: 710,440 km (0.117 R)
• M4: 1,160,580 km (0.076 R)
• M5: 1,455,737 km (0.083 R)
• M6: 1,769,294 km (0.098 R)
• M7: 2,454,452 km (0.065 R)
• M8: 2,711,461 km (0.102 R)
• M9: 3,302,971 km (0.119 R)
• M10: 7,004,023 km (0.084 R)
• M11: 10,252,690 km (0.084 R)
• M12: 12,116,979 km (0.115 R)
• M13: 15,352,781 km (0.1 R)
• M14: 16,021,932 km (0.069 R)
• M15: 16,501,692 km (0.07 R)
• M16: 20,933,529 km (0.049 R)
• M17: 25,445,251 km (0.094 R)
• M18: 27,437,446 km (0.09 R)
• M19: 30,564,790 km (0.101 R)
• M20: 33,475,516 km (0.103 R)
• M21: 37,039,086 km (0.077 R)
• M22: 37,877,433 km (0.115 R)
• M23: 40,468,019 km (0.089 R)
• M24: 41,613,640 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 5.2

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.3 AU - 8.44 AU

Year: 14255 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,387,576 km

• M1: 64,626 km (0.081 R)
• M2: 350,657 km (0.11 R)
• M3: 661,671 km (0.032 R)
• M4: 1,024,596 km (0.096 R)
• M5: 1,607,728 km (0.089 R)
• M6: 1,907,672 km (0.087 R)
• M7: 2,579,666 km (0.046 R)
• M8: 3,739,199 km (0.071 R)
• M9: 4,405,059 km (0.112 R)
• M10: 4,663,115 km (0.093 R)
• M11: 5,241,012 km (0.108 R)
• M12: 5,899,691 km (0.102 R)
• M13: 6,107,632 km (0.12 R)
• M14: 8,334,845 km (0.056 R)
• M15: 9,183,664 km (0.087 R)
• M16: 9,463,262 km (0.118 R)
• M17: 9,652,803 km (0.079 R)
• M18: 10,537,225 km (0.092 R)
• M19: 14,681,685 km (0.073 R)
• M20: 15,257,786 km (0.09 R)
• M21: 16,591,750 km (0.108 R)
• M22: 18,735,637 km (0.085 R)
• M23: 19,261,175 km (0.106 R)
• M24: 22,286,941 km (0.116 R)
• M25: 22,454,491 km (0.085 R)
• M26: 30,171,347 km (0.056 R)
• M27: 31,415,553 km (0.103 R)
• M28: 35,239,274 km (0.041 R)
• M29: 38,512,925 km (0.052 R)
• M30: 41,223,040 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.8

Radius: 4.3

Gravity: 51.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.43 AU - 11.15 AU

Year: 19778 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,387,576 km

• M1: 54,304 km (0.103 R)
• M2: 191,485 km (0.104 R)
• M3: 336,894 km (0.058 R)
• M4: 820,245 km (0.116 R)
• M5: 1,446,163 km (0.113 R)
• M6: 1,725,013 km (0.084 R)
• M7: 2,101,850 km (0.091 R)
• M8: 3,044,317 km (0.077 R)
• M9: 3,210,969 km (0.085 R)
• M10: 4,205,047 km (0.037 R)
• M11: 5,035,464 km (0.074 R)
• M12: 7,159,156 km (0.044 R)
• M13: 8,773,317 km (0.047 R)
• M14: 9,111,558 km (0.095 R)
• M15: 9,399,982 km (0.09 R)
• M16: 11,794,745 km (0.09 R)
• M17: 12,986,741 km (0.057 R)
• M18: 14,882,146 km (0.051 R)
• M19: 15,041,318 km (0.085 R)
• M20: 15,282,170 km (0.079 R)
• M21: 15,854,233 km (0.102 R)
• M22: 16,440,357 km (0.062 R)
• M23: 16,781,740 km (0.108 R)
• M24: 17,127,909 km (0.113 R)
• M25: 18,194,691 km (0.114 R)
• M26: 21,659,977 km (0.078 R)
• M27: 24,863,914 km (0.049 R)
• M28: 26,578,455 km (0.072 R)
• M29: 27,048,492 km (0.109 R)
• M30: 33,949,292 km (0.11 R)
• M31: 40,526,063 km (0.116 R)
• M32: 50,547,475 km (0.043 R)
• M33: 52,547,748 km (0.042 R)
• M34: 56,705,073 km (0.053 R)
• M35: 61,894,473 km (0.111 R)
• M36: 65,666,733 km (0.073 R)
• M37: 65,880,808 km (0.088 R)
• M38: 66,310,004 km (0.09 R)
• M39: 72,746,303 km (0.063 R)
• M40: 75,761,897 km (0.055 R)
• M41: 76,469,495 km (0.115 R)
• M42: 81,053,323 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.3

Radius: 6.1

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.62 AU - 10.68 AU

Year: 22441 Days

Day: 15.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,387,576 km

• M1: 87,365 km (0.071 R)
• M2: 291,865 km (0.069 R)
• M3: 646,861 km (0.109 R)
• M4: 1,060,051 km (0.077 R)
• M5: 1,556,117 km (0.115 R)
• M6: 2,236,189 km (0.107 R)
• M7: 4,318,891 km (0.111 R)
• M8: 4,777,707 km (0.057 R)
• M9: 6,187,518 km (0.099 R)
• M10: 9,472,836 km (0.118 R)
• M11: 14,253,835 km (0.06 R)
• M12: 16,406,847 km (0.089 R)
• M13: 16,877,931 km (0.115 R)
• M14: 24,759,345 km (0.043 R)
• M15: 27,629,231 km (0.112 R)
• M16: 31,911,619 km (0.098 R)
• M17: 32,399,458 km (0.109 R)
• M18: 35,172,255 km (0.036 R)
• M19: 45,963,497 km (0.073 R)
• M20: 49,618,023 km (0.093 R)
• M21: 50,437,371 km (0.067 R)
• M22: 54,149,792 km (0.075 R)
• M23: 61,358,763 km (0.039 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit