🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 8.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.61 AU - 0.69 AU

Year: 368 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,563,552 km

• M1: 109,655 km (0.07 R)
• M2: 440,715 km (0.112 R)
• M3: 714,479 km (0.116 R)
• M4: 993,180 km (0.119 R)
• M5: 1,466,209 km (0.102 R)
• M6: 1,793,828 km (0.105 R)
• M7: 2,164,083 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.1

Radius: 10.6

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.36 AU - 1.56 AU

Year: 1240 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 53.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,563,552 km

• M1: 164,408 km (0.066 R)
• M2: 540,946 km (0.107 R)
• M3: 961,765 km (0.075 R)
• M4: 1,539,212 km (0.072 R)
• M5: 2,932,717 km (0.084 R)
• M6: 3,996,956 km (0.099 R)
• M7: 4,391,595 km (0.058 R)
• M8: 4,792,517 km (0.063 R)
• M9: 6,795,782 km (0.102 R)
• M10: 7,281,377 km (0.098 R)
• M11: 8,039,090 km (0.033 R)
• M12: 8,379,575 km (0.096 R)
• M13: 8,759,255 km (0.093 R)
• M14: 9,490,489 km (0.102 R)
• M15: 11,929,832 km (0.095 R)
• M16: 12,828,466 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.7

Radius: 14.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.15 AU - 1.81 AU

Year: 1266 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,563,552 km

• M1: 182,958 km (0.083 R)
• M2: 671,395 km (0.088 R)
• M3: 1,209,798 km (0.105 R)
• M4: 1,813,725 km (0.061 R)
• M5: 2,374,268 km (0.079 R)
• M6: 2,917,607 km (0.07 R)
• M7: 4,459,662 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 11.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.75 AU - 2.25 AU

Year: 1988 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,563,552 km

• M1: 143,913 km (0.1 R)
• M2: 513,719 km (0.103 R)
• M3: 873,352 km (0.082 R)
• M4: 1,280,259 km (0.08 R)
• M5: 1,948,961 km (0.087 R)
• M6: 2,411,518 km (0.106 R)
• M7: 2,862,555 km (0.119 R)
• M8: 3,237,448 km (0.109 R)
• M9: 4,164,655 km (0.12 R)
• M10: 4,922,069 km (0.081 R)
• M11: 5,730,346 km (0.12 R)
• M12: 6,351,327 km (0.066 R)
• M13: 7,516,695 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 8.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.85 AU - 2.87 AU

Year: 2548 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,563,552 km

• M1: 128,505 km (0.081 R)
• M2: 745,147 km (0.104 R)
• M3: 1,213,987 km (0.08 R)
• M4: 1,516,773 km (0.092 R)
• M5: 2,289,446 km (0.093 R)
• M6: 2,685,731 km (0.089 R)
• M7: 3,074,535 km (0.09 R)
• M8: 4,488,385 km (0.113 R)
• M9: 5,056,408 km (0.099 R)
• M10: 5,552,624 km (0.092 R)
• M11: 5,976,734 km (0.086 R)
• M12: 6,958,545 km (0.108 R)
• M13: 7,843,416 km (0.058 R)
• M14: 8,720,957 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 8.1

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.92 AU - 3.12 AU

Year: 3689 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,563,552 km

• M1: 102,026 km (0.084 R)
• M2: 1,167,312 km (0.1 R)
• M3: 1,422,377 km (0.111 R)
• M4: 2,288,997 km (0.08 R)
• M5: 2,694,407 km (0.052 R)
• M6: 3,183,891 km (0.092 R)
• M7: 3,984,689 km (0.074 R)
• M8: 4,409,248 km (0.046 R)
• M9: 4,716,970 km (0.026 R)
• M10: 5,166,512 km (0.119 R)
• M11: 5,754,581 km (0.076 R)
• M12: 6,151,614 km (0.043 R)
• M13: 8,345,467 km (0.076 R)
• M14: 8,597,390 km (0.108 R)
• M15: 9,384,125 km (0.115 R)
• M16: 10,548,295 km (0.095 R)
• M17: 12,215,863 km (0.101 R)
• M18: 12,541,089 km (0.097 R)
• M19: 12,967,891 km (0.117 R)
• M20: 14,824,850 km (0.077 R)
• M21: 16,287,319 km (0.114 R)
• M22: 17,140,026 km (0.086 R)
• M23: 18,082,044 km (0.107 R)
• M24: 19,940,798 km (0.052 R)
• M25: 21,923,418 km (0.068 R)
• M26: 22,682,179 km (0.095 R)
• M27: 23,961,390 km (0.08 R)
• M28: 24,545,121 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.9

Radius: 8

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.99 AU - 7.37 AU

Year: 13524 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,563,552 km

• M1: 101,278 km (0.087 R)
• M2: 390,600 km (0.116 R)
• M3: 823,835 km (0.096 R)
• M4: 1,196,633 km (0.079 R)
• M5: 1,585,737 km (0.114 R)
• M6: 1,931,309 km (0.116 R)
• M7: 2,346,742 km (0.095 R)
• M8: 3,080,819 km (0.11 R)
• M9: 3,435,216 km (0.091 R)
• M10: 4,348,361 km (0.094 R)
• M11: 5,669,161 km (0.071 R)
• M12: 7,459,249 km (0.114 R)
• M13: 7,913,428 km (0.097 R)
• M14: 10,299,365 km (0.112 R)
• M15: 11,210,565 km (0.111 R)
• M16: 11,867,449 km (0.029 R)
• M17: 12,676,624 km (0.104 R)
• M18: 15,109,086 km (0.072 R)
• M19: 17,048,473 km (0.086 R)
• M20: 17,439,521 km (0.087 R)
• M21: 18,239,720 km (0.057 R)
• M22: 19,655,814 km (0.117 R)
• M23: 20,086,057 km (0.088 R)
• M24: 26,996,133 km (0.063 R)
• M25: 28,501,985 km (0.118 R)
• M26: 38,865,527 km (0.097 R)
• M27: 42,906,315 km (0.098 R)
• M28: 45,400,710 km (0.059 R)
• M29: 46,152,439 km (0.109 R)
• M30: 49,876,379 km (0.046 R)
• M31: 55,658,785 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.7

Radius: 7.4

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.16 AU - 8.16 AU

Year: 16385 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,563,552 km

• M1: 95,443 km (0.112 R)
• M2: 388,206 km (0.086 R)
• M3: 722,857 km (0.12 R)
• M4: 1,166,714 km (0.046 R)
• M5: 1,630,467 km (0.091 R)
• M6: 2,073,426 km (0.092 R)
• M7: 2,971,463 km (0.077 R)
• M8: 4,926,856 km (0.076 R)
• M9: 5,247,594 km (0.108 R)
• M10: 7,565,763 km (0.1 R)
• M11: 9,158,980 km (0.065 R)
• M12: 10,550,091 km (0.05 R)
• M13: 11,083,856 km (0.056 R)
• M14: 12,595,094 km (0.098 R)
• M15: 14,890,523 km (0.051 R)
• M16: 15,943,543 km (0.114 R)
• M17: 18,029,535 km (0.086 R)
• M18: 20,110,741 km (0.075 R)
• M19: 26,218,074 km (0.102 R)
• M20: 27,196,444 km (0.043 R)
• M21: 28,198,750 km (0.037 R)
• M22: 33,078,632 km (0.081 R)
• M23: 34,606,625 km (0.108 R)
• M24: 44,622,352 km (0.07 R)
• M25: 48,401,194 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.7

Radius: 3.6

Gravity: 33.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.89 AU - 9.83 AU

Year: 16991 Days

Day: 24.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 35,563,552 km

• M1: 45,627 km (0.101 R)
• M2: 189,241 km (0.084 R)
• M3: 308,471 km (0.108 R)
• M4: 722,259 km (0.091 R)
• M5: 1,319,453 km (0.028 R)
• M6: 2,173,358 km (0.119 R)
• M7: 2,372,173 km (0.104 R)
• M8: 2,497,237 km (0.082 R)
• M9: 2,806,157 km (0.118 R)
• M10: 3,140,059 km (0.108 R)
• M11: 6,375,263 km (0.081 R)
• M12: 8,250,472 km (0.072 R)
• M13: 8,733,972 km (0.109 R)
• M14: 9,287,335 km (0.027 R)
• M15: 11,029,701 km (0.053 R)
• M16: 11,261,877 km (0.11 R)
• M17: 11,379,012 km (0.07 R)
• M18: 13,172,093 km (0.073 R)
• M19: 14,861,800 km (0.086 R)
• M20: 15,073,930 km (0.099 R)
• M21: 15,216,347 km (0.083 R)
• M22: 15,576,429 km (0.107 R)
• M23: 17,698,475 km (0.056 R)
• M24: 18,096,705 km (0.106 R)
• M25: 19,834,434 km (0.066 R)
• M26: 20,875,784 km (0.081 R)
• M27: 23,256,036 km (0.04 R)
• M28: 27,261,370 km (0.079 R)
• M29: 34,463,011 km (0.047 R)
• M30: 34,958,778 km (0.063 R)
• M31: 36,346,747 km (0.119 R)
• M32: 39,366,829 km (0.113 R)
• M33: 44,422,639 km (0.093 R)
• M34: 45,305,266 km (0.082 R)
• M35: 45,900,217 km (0.04 R)
• M36: 51,329,124 km (0.113 R)
• M37: 52,137,999 km (0.079 R)
• M38: 57,170,621 km (0.112 R)
• M39: 58,741,250 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.2

Radius: 4.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.24 AU - 12.18 AU

Year: 22932 Days

Day: 18.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,563,552 km

• M1: 57,595 km (0.069 R)
• M2: 748,289 km (0.101 R)
• M3: 987,346 km (0.053 R)
• M4: 2,613,325 km (0.073 R)
• M5: 2,821,565 km (0.098 R)
• M6: 3,040,726 km (0.114 R)
• M7: 4,495,566 km (0.115 R)
• M8: 4,712,034 km (0.111 R)
• M9: 6,326,195 km (0.069 R)
• M10: 7,312,494 km (0.11 R)
• M11: 7,498,743 km (0.116 R)
• M12: 8,935,481 km (0.034 R)
• M13: 14,328,933 km (0.078 R)
• M14: 24,835,790 km (0.045 R)
• M15: 27,976,896 km (0.109 R)
• M16: 29,266,729 km (0.033 R)
• M17: 33,680,465 km (0.055 R)
• M18: 35,139,193 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 11,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit