🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661

Radius: 9.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.84 AU - 1.14 AU

Year: 657 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,696,414 km

• M1: 123,269 km (0.091 R)
• M2: 451,187 km (0.1 R)
• M3: 1,021,305 km (0.108 R)
• M4: 1,371,812 km (0.081 R)
• M5: 1,705,416 km (0.097 R)
• M6: 2,540,770 km (0.068 R)
• M7: 2,931,819 km (0.052 R)
• M8: 3,311,648 km (0.068 R)
• M9: 3,935,920 km (0.06 R)
• M10: 4,604,622 km (0.088 R)
• M11: 5,000,309 km (0.12 R)
• M12: 5,803,649 km (0.113 R)
• M13: 7,113,080 km (0.069 R)
• M14: 7,463,587 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 11.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.26 AU - 1.36 AU

Year: 1000 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,696,414 km

• M1: 144,960 km (0.044 R)
• M2: 651,648 km (0.075 R)
• M3: 1,159,533 km (0.09 R)
• M4: 2,532,842 km (0.091 R)
• M5: 4,357,038 km (0.105 R)
• M6: 4,816,902 km (0.074 R)
• M7: 5,747,550 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.8

Radius: 12.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.18 AU - 1.94 AU

Year: 1299 Days

Day: 6.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,696,414 km

• M1: 159,172 km (0.082 R)
• M2: 583,880 km (0.1 R)
• M3: 1,039,705 km (0.046 R)
• M4: 1,565,243 km (0.1 R)
• M5: 2,742,877 km (0.102 R)
• M6: 3,768,819 km (0.076 R)
• M7: 4,541,043 km (0.112 R)
• M8: 5,018,111 km (0.066 R)
• M9: 6,276,678 km (0.085 R)
• M10: 8,419,069 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 13.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.49 AU - 2.95 AU

Year: 2991 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,696,414 km

• M1: 180,864 km (0.119 R)
• M2: 676,332 km (0.115 R)
• M3: 1,113,158 km (0.058 R)
• M4: 1,569,431 km (0.094 R)
• M5: 2,126,235 km (0.083 R)
• M6: 2,914,466 km (0.056 R)
• M7: 3,434,169 km (0.104 R)
• M8: 3,931,731 km (0.109 R)
• M9: 4,409,397 km (0.111 R)
• M10: 5,249,838 km (0.084 R)
• M11: 5,941,429 km (0.098 R)
• M12: 6,514,239 km (0.116 R)
• M13: 7,061,019 km (0.082 R)
• M14: 7,671,379 km (0.11 R)
• M15: 10,310,584 km (0.081 R)
• M16: 12,744,991 km (0.098 R)
• M17: 17,540,799 km (0.054 R)
• M18: 18,303,599 km (0.064 R)
• M19: 20,467,382 km (0.116 R)
• M20: 21,979,069 km (0.067 R)
• M21: 23,004,413 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.02 AU - 6.4 AU

Year: 9099 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,696,414 km

• M1: 171,738 km (0.12 R)
• M2: 697,276 km (0.096 R)
• M3: 1,340,547 km (0.073 R)
• M4: 3,052,694 km (0.106 R)
• M5: 3,752,513 km (0.112 R)
• M6: 4,276,854 km (0.117 R)
• M7: 4,877,339 km (0.111 R)
• M8: 5,327,928 km (0.118 R)
• M9: 8,686,550 km (0.113 R)
• M10: 9,351,961 km (0.111 R)
• M11: 9,784,898 km (0.092 R)
• M12: 10,737,986 km (0.103 R)
• M13: 14,595,516 km (0.116 R)
• M14: 15,417,257 km (0.107 R)
• M15: 17,738,119 km (0.059 R)
• M16: 18,606,235 km (0.118 R)
• M17: 19,432,614 km (0.114 R)
• M18: 25,079,485 km (0.07 R)
• M19: 27,298,470 km (0.045 R)
• M20: 28,365,701 km (0.12 R)
• M21: 30,205,904 km (0.075 R)
• M22: 30,773,180 km (0.117 R)
• M23: 32,914,224 km (0.117 R)
• M24: 33,414,330 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.3

Radius: 3.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.98 AU - 6.58 AU

Year: 9267 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,696,414 km

• M1: 48,919 km (0.035 R)
• M2: 392,694 km (0.073 R)
• M3: 998,267 km (0.074 R)
• M4: 1,735,335 km (0.118 R)
• M5: 2,136,557 km (0.11 R)
• M6: 2,842,360 km (0.063 R)
• M7: 3,469,623 km (0.107 R)
• M8: 3,962,249 km (0.07 R)
• M9: 6,431,960 km (0.036 R)
• M10: 6,766,910 km (0.056 R)
• M11: 7,172,320 km (0.118 R)
• M12: 14,055,917 km (0.108 R)
• M13: 15,791,102 km (0.087 R)
• M14: 18,099,248 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.5

Radius: 3.4

Gravity: 80.93 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.38 AU - 6.48 AU

Year: 9630 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,696,414 km

• M1: 42,336 km (0.091 R)
• M2: 153,487 km (0.075 R)
• M3: 714,779 km (0.102 R)
• M4: 823,087 km (0.117 R)
• M5: 1,229,246 km (0.085 R)
• M6: 1,386,174 km (0.107 R)
• M7: 1,740,272 km (0.071 R)
• M8: 2,096,913 km (0.094 R)
• M9: 2,439,792 km (0.078 R)
• M10: 3,587,507 km (0.11 R)
• M11: 3,992,019 km (0.111 R)
• M12: 4,162,112 km (0.054 R)
• M13: 4,426,152 km (0.032 R)
• M14: 6,101,200 km (0.028 R)
• M15: 8,523,039 km (0.093 R)
• M16: 9,944,668 km (0.074 R)
• M17: 11,067,699 km (0.086 R)
• M18: 12,999,008 km (0.071 R)
• M19: 13,946,561 km (0.044 R)
• M20: 15,696,706 km (0.051 R)
• M21: 17,815,461 km (0.113 R)
• M22: 20,785,427 km (0.07 R)
• M23: 24,916,872 km (0.111 R)
• M24: 26,572,471 km (0.096 R)
• M25: 29,032,608 km (0.114 R)
• M26: 29,563,531 km (0.115 R)
• M27: 37,066,313 km (0.072 R)
• M28: 37,565,521 km (0.081 R)
• M29: 40,260,078 km (0.115 R)
• M30: 41,052,947 km (0.111 R)
• M31: 41,587,310 km (0.117 R)
• M32: 42,806,384 km (0.034 R)
• M33: 46,606,618 km (0.112 R)
• M34: 47,480,569 km (0.074 R)
• M35: 48,961,438 km (0.068 R)
• M36: 49,261,232 km (0.027 R)
• M37: 50,167,945 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.7

Radius: 4.3

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.4 AU - 7.22 AU

Year: 10570 Days

Day: 22.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,696,414 km

• M1: 55,501 km (0.108 R)
• M2: 191,784 km (0.069 R)
• M3: 592,258 km (0.072 R)
• M4: 734,077 km (0.102 R)
• M5: 1,362,089 km (0.104 R)
• M6: 1,573,470 km (0.081 R)
• M7: 2,609,286 km (0.042 R)
• M8: 4,364,368 km (0.045 R)
• M9: 5,168,906 km (0.099 R)
• M10: 5,437,583 km (0.06 R)
• M11: 10,010,342 km (0.067 R)
• M12: 11,547,011 km (0.071 R)
• M13: 13,567,779 km (0.116 R)
• M14: 14,485,113 km (0.035 R)
• M15: 15,565,509 km (0.067 R)
• M16: 19,769,658 km (0.076 R)
• M17: 20,946,395 km (0.097 R)
• M18: 28,538,636 km (0.088 R)
• M19: 31,591,630 km (0.051 R)
• M20: 34,540,204 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.6

Radius: 4.2

Gravity: 42.95 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.32 AU - 7.1 AU

Year: 11591 Days

Day: 24.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,696,414 km

• M1: 52,210 km (0.07 R)
• M2: 208,689 km (0.066 R)
• M3: 381,624 km (0.08 R)
• M4: 875,746 km (0.096 R)
• M5: 1,201,121 km (0.112 R)
• M6: 1,648,868 km (0.079 R)
• M7: 1,893,610 km (0.102 R)
• M8: 2,088,237 km (0.1 R)
• M9: 2,580,563 km (0.116 R)
• M10: 2,865,248 km (0.058 R)
• M11: 3,146,342 km (0.074 R)
• M12: 3,602,167 km (0.048 R)
• M13: 4,043,182 km (0.109 R)
• M14: 4,643,817 km (0.111 R)
• M15: 5,098,445 km (0.087 R)
• M16: 6,720,086 km (0.059 R)
• M17: 10,013,034 km (0.059 R)
• M18: 11,737,748 km (0.107 R)
• M19: 12,093,043 km (0.048 R)
• M20: 12,762,942 km (0.113 R)
• M21: 14,109,922 km (0.07 R)
• M22: 14,989,707 km (0.075 R)
• M23: 15,833,738 km (0.081 R)
• M24: 17,539,154 km (0.031 R)
• M25: 20,533,205 km (0.07 R)
• M26: 23,105,242 km (0.093 R)
• M27: 23,569,444 km (0.104 R)
• M28: 24,612,290 km (0.115 R)
• M29: 29,416,327 km (0.107 R)
• M30: 29,742,450 km (0.067 R)
• M31: 33,139,070 km (0.119 R)
• M32: 34,326,279 km (0.079 R)
• M33: 35,296,271 km (0.117 R)
• M34: 37,037,441 km (0.097 R)
• M35: 46,902,822 km (0.088 R)
• M36: 49,310,001 km (0.1 R)
• M37: 53,556,935 km (0.034 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit