🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 11.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.14 AU - 1.82 AU

Year: 1163 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,342,771 km

• M1: 143,016 km (0.054 R)
• M2: 538,253 km (0.091 R)
• M3: 982,858 km (0.109 R)
• M4: 1,419,235 km (0.113 R)
• M5: 1,947,016 km (0.067 R)
• M6: 3,048,954 km (0.038 R)
• M7: 3,530,809 km (0.063 R)
• M8: 4,063,228 km (0.093 R)
• M9: 4,701,263 km (0.038 R)
• M10: 5,926,469 km (0.1 R)
• M11: 7,694,118 km (0.114 R)
• M12: 8,354,742 km (0.104 R)
• M13: 8,942,961 km (0.06 R)
• M14: 9,530,132 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 10.3

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.2 AU - 3.66 AU

Year: 4102 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,342,771 km

• M1: 128,056 km (0.12 R)
• M2: 694,433 km (0.066 R)
• M3: 1,169,257 km (0.095 R)
• M4: 1,500,317 km (0.119 R)
• M5: 2,374,567 km (0.118 R)
• M6: 2,738,239 km (0.119 R)
• M7: 4,037,198 km (0.096 R)
• M8: 4,633,345 km (0.081 R)
• M9: 5,071,517 km (0.069 R)
• M10: 5,452,992 km (0.082 R)
• M11: 6,554,631 km (0.087 R)
• M12: 7,107,993 km (0.057 R)
• M13: 7,905,948 km (0.089 R)
• M14: 8,533,362 km (0.084 R)
• M15: 9,762,458 km (0.082 R)
• M16: 13,423,866 km (0.095 R)
• M17: 14,263,259 km (0.12 R)
• M18: 15,137,360 km (0.045 R)
• M19: 15,587,649 km (0.087 R)
• M20: 15,931,276 km (0.085 R)
• M21: 17,295,159 km (0.11 R)
• M22: 19,386,089 km (0.115 R)
• M23: 22,647,322 km (0.075 R)
• M24: 24,369,194 km (0.091 R)
• M25: 25,856,197 km (0.067 R)
• M26: 28,071,891 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.5

Radius: 4.3

Gravity: 23.72 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.88 AU - 7.24 AU

Year: 9632 Days

Day: 22.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 52.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,342,771 km

• M1: 54,753 km (0.087 R)
• M2: 197,619 km (0.106 R)
• M3: 760,705 km (0.073 R)
• M4: 899,382 km (0.119 R)
• M5: 1,335,311 km (0.11 R)
• M6: 1,552,676 km (0.112 R)
• M7: 3,013,350 km (0.081 R)
• M8: 4,559,294 km (0.092 R)
• M9: 6,319,313 km (0.114 R)
• M10: 6,932,216 km (0.118 R)
• M11: 7,505,176 km (0.098 R)
• M12: 10,356,212 km (0.092 R)
• M13: 11,103,752 km (0.078 R)
• M14: 11,360,761 km (0.102 R)
• M15: 12,209,729 km (0.036 R)
• M16: 12,930,043 km (0.091 R)
• M17: 13,503,153 km (0.115 R)
• M18: 14,394,158 km (0.108 R)
• M19: 15,260,628 km (0.041 R)
• M20: 15,578,225 km (0.046 R)
• M21: 17,508,486 km (0.105 R)
• M22: 18,423,277 km (0.112 R)
• M23: 18,638,848 km (0.028 R)
• M24: 20,347,704 km (0.117 R)
• M25: 21,122,172 km (0.072 R)
• M26: 21,916,088 km (0.075 R)
• M27: 30,676,240 km (0.108 R)
• M28: 30,877,898 km (0.082 R)
• M29: 31,693,506 km (0.097 R)
• M30: 34,226,347 km (0.119 R)
• M31: 37,809,067 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.8

Radius: 3.2

Gravity: 18.73 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.64 AU - 6.7 AU

Year: 11123 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,342,771 km

• M1: 39,793 km (0.061 R)
• M2: 167,400 km (0.083 R)
• M3: 281,543 km (0.105 R)
• M4: 565,181 km (0.095 R)
• M5: 1,531,433 km (0.118 R)
• M6: 1,756,728 km (0.114 R)
• M7: 3,508,519 km (0.103 R)
• M8: 7,338,823 km (0.104 R)
• M9: 7,522,529 km (0.068 R)
• M10: 8,730,532 km (0.081 R)
• M11: 10,894,465 km (0.076 R)
• M12: 11,671,775 km (0.075 R)
• M13: 13,173,738 km (0.115 R)
• M14: 14,683,480 km (0.079 R)
• M15: 17,776,565 km (0.093 R)
• M16: 17,908,660 km (0.027 R)
• M17: 21,952,590 km (0.08 R)
• M18: 22,104,581 km (0.064 R)
• M19: 22,797,369 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.2

Radius: 5.5

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.85 AU - 10.85 AU

Year: 19960 Days

Day: 18.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,342,771 km

• M1: 69,713 km (0.088 R)
• M2: 298,597 km (0.1 R)
• M3: 714,629 km (0.102 R)
• M4: 1,243,607 km (0.115 R)
• M5: 1,649,167 km (0.116 R)
• M6: 2,493,348 km (0.039 R)
• M7: 3,566,563 km (0.029 R)
• M8: 4,096,289 km (0.099 R)
• M9: 5,803,350 km (0.114 R)
• M10: 6,367,035 km (0.112 R)
• M11: 7,371,435 km (0.092 R)
• M12: 9,095,850 km (0.106 R)
• M13: 9,308,728 km (0.083 R)
• M14: 9,744,357 km (0.104 R)
• M15: 10,597,663 km (0.108 R)
• M16: 11,193,511 km (0.106 R)
• M17: 11,748,669 km (0.108 R)
• M18: 12,064,919 km (0.084 R)
• M19: 13,731,888 km (0.1 R)
• M20: 14,224,813 km (0.073 R)
• M21: 18,945,224 km (0.086 R)
• M22: 19,644,295 km (0.083 R)
• M23: 20,360,420 km (0.108 R)
• M24: 22,613,065 km (0.045 R)
• M25: 25,550,269 km (0.068 R)
• M26: 27,164,729 km (0.104 R)
• M27: 27,606,492 km (0.085 R)
• M28: 34,048,475 km (0.086 R)
• M29: 36,667,934 km (0.116 R)
• M30: 38,026,732 km (0.083 R)
• M31: 39,418,740 km (0.066 R)
• M32: 39,984,968 km (0.105 R)
• M33: 44,101,003 km (0.086 R)
• M34: 52,477,736 km (0.072 R)
• M35: 54,901,671 km (0.101 R)
• M36: 55,253,824 km (0.087 R)
• M37: 56,498,628 km (0.099 R)
• M38: 57,218,194 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.8

Radius: 6.1

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.71 AU - 11.75 AU

Year: 21127 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,342,771 km

• M1: 75,846 km (0.104 R)
• M2: 290,070 km (0.088 R)
• M3: 635,941 km (0.109 R)
• M4: 845,378 km (0.06 R)
• M5: 1,305,092 km (0.1 R)
• M6: 2,113,968 km (0.116 R)
• M7: 2,476,742 km (0.076 R)
• M8: 3,244,179 km (0.106 R)
• M9: 3,437,609 km (0.104 R)
• M10: 7,160,951 km (0.068 R)
• M11: 11,485,077 km (0.086 R)
• M12: 12,533,609 km (0.065 R)
• M13: 13,080,987 km (0.062 R)
• M14: 14,077,459 km (0.101 R)
• M15: 14,297,368 km (0.064 R)
• M16: 14,668,969 km (0.042 R)
• M17: 17,118,335 km (0.077 R)
• M18: 17,537,358 km (0.062 R)
• M19: 19,553,638 km (0.117 R)
• M20: 28,111,983 km (0.116 R)
• M21: 30,127,964 km (0.035 R)
• M22: 33,135,180 km (0.082 R)
• M23: 37,448,087 km (0.102 R)
• M24: 37,870,551 km (0.068 R)
• M25: 41,216,308 km (0.115 R)
• M26: 42,424,759 km (0.106 R)
• M27: 44,438,646 km (0.116 R)
• M28: 47,003,651 km (0.089 R)
• M29: 47,824,943 km (0.089 R)
• M30: 50,861,182 km (0.086 R)
• M31: 59,964,212 km (0.082 R)
• M32: 62,497,203 km (0.114 R)
• M33: 70,308,456 km (0.089 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: 196 - 12,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit