🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 14.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 522 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,876,294 km

• M1: 175,329 km (0.069 R)
• M2: 618,138 km (0.06 R)
• M3: 1,275,471 km (0.114 R)
• M4: 1,782,159 km (0.05 R)
• M5: 2,222,127 km (0.04 R)
• M6: 2,746,767 km (0.111 R)
• M7: 3,519,589 km (0.109 R)
• M8: 4,713,231 km (0.092 R)
• M9: 5,769,691 km (0.115 R)
• M10: 6,296,275 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 8.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.92 AU - 0.98 AU

Year: 628 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,876,294 km

• M1: 109,506 km (0.094 R)
• M2: 415,732 km (0.063 R)
• M3: 722,707 km (0.119 R)
• M4: 1,039,256 km (0.072 R)
• M5: 1,657,544 km (0.086 R)
• M6: 2,103,346 km (0.105 R)
• M7: 2,428,273 km (0.116 R)
• M8: 2,766,364 km (0.111 R)
• M9: 3,574,192 km (0.112 R)
• M10: 3,884,608 km (0.11 R)
• M11: 4,212,826 km (0.119 R)
• M12: 4,602,528 km (0.111 R)
• M13: 5,092,461 km (0.067 R)
• M14: 5,502,808 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 13.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.45 AU - 2.27 AU

Year: 1721 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,876,294 km

• M1: 169,195 km (0.09 R)
• M2: 680,072 km (0.092 R)
• M3: 1,147,864 km (0.1 R)
• M4: 1,838,408 km (0.079 R)
• M5: 2,406,132 km (0.114 R)
• M6: 2,957,700 km (0.108 R)
• M7: 3,689,083 km (0.118 R)
• M8: 4,667,603 km (0.078 R)
• M9: 5,369,367 km (0.101 R)
• M10: 5,793,327 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 10.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.68 AU - 4.7 AU

Year: 5817 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,876,294 km

• M1: 225,294 km (0.075 R)
• M2: 874,998 km (0.12 R)
• M3: 1,560,455 km (0.065 R)
• M4: 2,156,304 km (0.116 R)
• M5: 2,911,324 km (0.086 R)
• M6: 6,958,545 km (0.033 R)
• M7: 7,620,516 km (0.096 R)
• M8: 8,243,740 km (0.119 R)
• M9: 8,956,873 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.6

Radius: 7.2

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.12 AU - 9.38 AU

Year: 14633 Days

Day: 17.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 119.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,876,294 km

• M1: 96,191 km (0.075 R)
• M2: 331,210 km (0.039 R)
• M3: 654,191 km (0.058 R)
• M4: 2,152,863 km (0.067 R)
• M5: 4,323,827 km (0.034 R)
• M6: 5,105,626 km (0.103 R)
• M7: 6,409,970 km (0.044 R)
• M8: 12,309,062 km (0.082 R)
• M9: 13,268,284 km (0.111 R)
• M10: 14,414,652 km (0.052 R)
• M11: 16,903,063 km (0.082 R)
• M12: 17,925,714 km (0.078 R)
• M13: 19,072,532 km (0.074 R)
• M14: 20,618,027 km (0.089 R)
• M15: 27,852,281 km (0.093 R)
• M16: 29,612,151 km (0.116 R)
• M17: 52,771,247 km (0.119 R)
• M18: 56,143,782 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.8

Radius: 4.3

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.85 AU - 8.49 AU

Year: 15839 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,876,294 km

• M1: 53,706 km (0.112 R)
• M2: 221,704 km (0.116 R)
• M3: 575,802 km (0.12 R)
• M4: 992,582 km (0.09 R)
• M5: 1,190,051 km (0.072 R)
• M6: 1,427,164 km (0.11 R)
• M7: 1,572,124 km (0.064 R)
• M8: 1,841,400 km (0.109 R)
• M9: 2,471,955 km (0.115 R)
• M10: 3,138,264 km (0.102 R)
• M11: 3,861,420 km (0.034 R)
• M12: 4,411,641 km (0.111 R)
• M13: 5,488,596 km (0.12 R)
• M14: 6,374,365 km (0.097 R)
• M15: 6,649,625 km (0.104 R)
• M16: 8,565,376 km (0.095 R)
• M17: 9,445,310 km (0.088 R)
• M18: 11,555,388 km (0.091 R)
• M19: 14,157,793 km (0.086 R)
• M20: 14,830,235 km (0.107 R)
• M21: 15,036,232 km (0.077 R)
• M22: 16,094,188 km (0.076 R)
• M23: 16,975,618 km (0.041 R)
• M24: 19,075,673 km (0.092 R)
• M25: 26,908,319 km (0.114 R)
• M26: 28,042,869 km (0.048 R)
• M27: 29,640,873 km (0.114 R)
• M28: 36,765,921 km (0.078 R)
• M29: 37,905,258 km (0.116 R)
• M30: 42,009,476 km (0.046 R)
• M31: 45,962,450 km (0.111 R)
• M32: 50,620,030 km (0.087 R)
• M33: 53,947,835 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.1

Radius: 6.6

Gravity: 22.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.27 AU - 9.11 AU

Year: 15897 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,876,294 km

• M1: 82,279 km (0.101 R)
• M2: 568,771 km (0.085 R)
• M3: 1,724,415 km (0.085 R)
• M4: 2,201,183 km (0.076 R)
• M5: 2,504,568 km (0.117 R)
• M6: 3,222,189 km (0.11 R)
• M7: 3,614,285 km (0.089 R)
• M8: 4,069,062 km (0.071 R)
• M9: 4,983,404 km (0.116 R)
• M10: 5,986,608 km (0.055 R)
• M11: 7,931,081 km (0.102 R)
• M12: 8,857,690 km (0.118 R)
• M13: 9,626,623 km (0.056 R)
• M14: 9,854,311 km (0.108 R)
• M15: 10,085,589 km (0.117 R)
• M16: 10,559,067 km (0.086 R)
• M17: 13,788,436 km (0.11 R)
• M18: 14,151,061 km (0.103 R)
• M19: 26,852,219 km (0.044 R)
• M20: 31,978,490 km (0.093 R)
• M21: 39,003,456 km (0.064 R)
• M22: 40,759,137 km (0.061 R)
• M23: 42,873,104 km (0.039 R)
• M24: 44,270,049 km (0.076 R)
• M25: 48,475,694 km (0.106 R)
• M26: 65,487,365 km (0.097 R)
• M27: 67,754,372 km (0.105 R)
• M28: 72,662,379 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.5

Radius: 7

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.83 AU - 10.91 AU

Year: 17917 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,876,294 km

• M1: 87,814 km (0.061 R)
• M2: 340,634 km (0.104 R)
• M3: 679,474 km (0.074 R)
• M4: 953,836 km (0.106 R)
• M5: 1,260,960 km (0.094 R)
• M6: 1,732,942 km (0.091 R)
• M7: 2,358,710 km (0.036 R)
• M8: 2,689,022 km (0.064 R)
• M9: 3,229,220 km (0.05 R)
• M10: 3,694,319 km (0.057 R)
• M11: 4,234,667 km (0.105 R)
• M12: 5,509,241 km (0.12 R)
• M13: 5,737,677 km (0.109 R)
• M14: 7,335,831 km (0.084 R)
• M15: 8,791,268 km (0.058 R)
• M16: 9,696,485 km (0.116 R)
• M17: 10,721,231 km (0.078 R)
• M18: 10,958,493 km (0.103 R)
• M19: 16,237,054 km (0.064 R)
• M20: 18,855,615 km (0.119 R)
• M21: 19,995,401 km (0.113 R)
• M22: 23,890,780 km (0.066 R)
• M23: 25,224,295 km (0.111 R)
• M24: 33,645,908 km (0.118 R)
• M25: 36,110,084 km (0.085 R)
• M26: 36,643,699 km (0.08 R)
• M27: 37,318,236 km (0.086 R)
• M28: 46,225,592 km (0.115 R)
• M29: 48,776,386 km (0.112 R)
• M30: 53,463,586 km (0.102 R)
• M31: 54,505,685 km (0.113 R)
• M32: 55,738,371 km (0.077 R)
• M33: 61,232,503 km (0.073 R)
• M34: 61,800,975 km (0.085 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: 392 - 13,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit