🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 11.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.42 AU - 0.66 AU

Year: 269 Days

Day: 5.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,870,450 km

• M1: 146,756 km (0.085 R)
• M2: 516,113 km (0.06 R)
• M3: 1,346,530 km (0.038 R)
• M4: 1,884,484 km (0.084 R)
• M5: 2,312,185 km (0.029 R)
• M6: 2,804,810 km (0.09 R)
• M7: 3,304,467 km (0.11 R)
• M8: 3,703,594 km (0.029 R)
• M9: 4,086,864 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 11.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.33 AU - 1.63 AU

Year: 1221 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,870,450 km

• M1: 140,622 km (0.06 R)
• M2: 673,041 km (0.079 R)
• M3: 1,029,233 km (0.076 R)
• M4: 1,623,436 km (0.115 R)
• M5: 2,414,210 km (0.05 R)
• M6: 2,803,464 km (0.079 R)
• M7: 3,576,287 km (0.114 R)
• M8: 4,005,333 km (0.117 R)
• M9: 5,765,203 km (0.116 R)
• M10: 6,990,110 km (0.054 R)
• M11: 8,620,727 km (0.11 R)
• M12: 9,801,204 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 13.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.73 AU - 1.75 AU

Year: 1557 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,870,450 km

• M1: 166,203 km (0.036 R)
• M2: 607,517 km (0.056 R)
• M3: 1,227,750 km (0.1 R)
• M4: 1,718,880 km (0.109 R)
• M5: 2,184,877 km (0.112 R)
• M6: 2,919,851 km (0.04 R)
• M7: 3,992,169 km (0.074 R)
• M8: 4,520,399 km (0.104 R)
• M9: 5,400,334 km (0.062 R)
• M10: 6,096,562 km (0.12 R)
• M11: 6,568,095 km (0.116 R)
• M12: 8,920,671 km (0.088 R)
• M13: 9,399,384 km (0.118 R)
• M14: 11,193,511 km (0.088 R)
• M15: 11,902,755 km (0.099 R)
• M16: 13,577,353 km (0.089 R)
• M17: 14,255,032 km (0.077 R)
• M18: 14,689,913 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 14

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.94 AU - 3.04 AU

Year: 3507 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,870,450 km

• M1: 174,880 km (0.097 R)
• M2: 766,839 km (0.11 R)
• M3: 1,219,073 km (0.082 R)
• M4: 1,893,460 km (0.083 R)
• M5: 2,411,518 km (0.119 R)
• M6: 3,323,167 km (0.089 R)
• M7: 3,961,651 km (0.081 R)
• M8: 4,797,305 km (0.038 R)
• M9: 6,583,802 km (0.081 R)
• M10: 11,008,159 km (0.107 R)
• M11: 12,887,857 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 11.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.72 AU - 3.48 AU

Year: 3702 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,870,450 km

• M1: 147,952 km (0.075 R)
• M2: 527,183 km (0.051 R)
• M3: 943,215 km (0.057 R)
• M4: 1,490,144 km (0.108 R)
• M5: 2,271,943 km (0.112 R)
• M6: 2,985,525 km (0.111 R)
• M7: 4,432,435 km (0.068 R)
• M8: 5,259,562 km (0.117 R)
• M9: 5,765,053 km (0.101 R)
• M10: 6,539,222 km (0.087 R)
• M11: 7,544,969 km (0.114 R)
• M12: 7,981,944 km (0.104 R)
• M13: 8,614,893 km (0.087 R)
• M14: 9,243,204 km (0.119 R)
• M15: 10,467,662 km (0.095 R)
• M16: 11,226,572 km (0.094 R)
• M17: 16,349,102 km (0.049 R)
• M18: 17,370,856 km (0.066 R)
• M19: 17,779,408 km (0.105 R)
• M20: 18,676,845 km (0.113 R)
• M21: 19,920,004 km (0.043 R)
• M22: 20,367,900 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 9.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.98 AU - 3.36 AU

Year: 3828 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,870,450 km

• M1: 119,230 km (0.089 R)
• M2: 921,972 km (0.073 R)
• M3: 1,258,716 km (0.095 R)
• M4: 1,619,696 km (0.09 R)
• M5: 2,090,929 km (0.112 R)
• M6: 3,290,405 km (0.12 R)
• M7: 5,178,779 km (0.041 R)
• M8: 5,801,854 km (0.067 R)
• M9: 7,035,887 km (0.061 R)
• M10: 7,495,003 km (0.061 R)
• M11: 8,328,263 km (0.106 R)
• M12: 8,656,182 km (0.081 R)
• M13: 9,030,775 km (0.08 R)
• M14: 10,766,260 km (0.119 R)
• M15: 15,696,706 km (0.111 R)
• M16: 16,310,955 km (0.071 R)
• M17: 17,409,602 km (0.08 R)
• M18: 17,706,703 km (0.041 R)
• M19: 20,207,232 km (0.107 R)
• M20: 20,734,265 km (0.093 R)
• M21: 21,270,274 km (0.112 R)
• M22: 22,863,192 km (0.072 R)
• M23: 23,652,471 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 8.5

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.17 AU - 4.01 AU

Year: 4614 Days

Day: 14.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,870,450 km

• M1: 105,766 km (0.112 R)
• M2: 399,127 km (0.107 R)
• M3: 741,856 km (0.1 R)
• M4: 2,981,486 km (0.113 R)
• M5: 3,354,433 km (0.1 R)
• M6: 3,670,683 km (0.111 R)
• M7: 5,031,724 km (0.093 R)
• M8: 6,098,357 km (0.086 R)
• M9: 8,326,169 km (0.118 R)
• M10: 8,711,383 km (0.111 R)
• M11: 9,311,570 km (0.066 R)
• M12: 12,633,091 km (0.091 R)
• M13: 14,920,144 km (0.092 R)
• M14: 15,316,877 km (0.096 R)
• M15: 19,478,989 km (0.069 R)
• M16: 19,884,848 km (0.118 R)
• M17: 21,637,387 km (0.096 R)
• M18: 27,256,433 km (0.098 R)
• M19: 29,062,079 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 11

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.16 AU - 4.48 AU

Year: 5064 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,870,450 km

• M1: 210,484 km (0.108 R)
• M2: 559,047 km (0.113 R)
• M3: 974,032 km (0.068 R)
• M4: 1,324,839 km (0.091 R)
• M5: 2,111,275 km (0.081 R)
• M6: 2,990,611 km (0.118 R)
• M7: 3,367,598 km (0.061 R)
• M8: 3,912,284 km (0.03 R)
• M9: 4,799,399 km (0.114 R)
• M10: 5,666,319 km (0.112 R)
• M11: 6,059,611 km (0.077 R)
• M12: 6,471,305 km (0.065 R)
• M13: 8,697,919 km (0.107 R)
• M14: 9,984,311 km (0.075 R)
• M15: 10,559,964 km (0.099 R)
• M16: 12,827,718 km (0.071 R)
• M17: 15,932,472 km (0.109 R)
• M18: 17,153,191 km (0.09 R)
• M19: 20,759,996 km (0.091 R)
• M20: 21,189,641 km (0.101 R)
• M21: 22,589,428 km (0.084 R)
• M22: 23,893,323 km (0.101 R)
• M23: 25,165,653 km (0.074 R)
• M24: 29,075,244 km (0.043 R)
• M25: 30,801,902 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.4

Radius: 3.5

Gravity: 62.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.27 AU - 8.15 AU

Year: 11789 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 80.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 29,870,450 km

• M1: 43,533 km (0.116 R)
• M2: 274,662 km (0.091 R)
• M3: 571,314 km (0.108 R)
• M4: 809,324 km (0.103 R)
• M5: 1,074,262 km (0.111 R)
• M6: 1,841,550 km (0.065 R)
• M7: 1,980,377 km (0.081 R)
• M8: 3,180,002 km (0.071 R)
• M9: 3,405,745 km (0.09 R)
• M10: 4,729,836 km (0.045 R)
• M11: 4,859,088 km (0.111 R)
• M12: 5,979,876 km (0.096 R)
• M13: 7,219,743 km (0.066 R)
• M14: 7,831,897 km (0.115 R)
• M15: 8,862,926 km (0.032 R)
• M16: 9,360,189 km (0.063 R)
• M17: 10,033,978 km (0.038 R)
• M18: 11,652,627 km (0.104 R)
• M19: 12,248,924 km (0.07 R)
• M20: 12,554,553 km (0.075 R)
• M21: 12,678,120 km (0.103 R)
• M22: 13,893,902 km (0.113 R)
• M23: 16,480,300 km (0.096 R)
• M24: 16,777,850 km (0.105 R)
• M25: 18,638,399 km (0.099 R)
• M26: 20,375,529 km (0.07 R)
• M27: 37,151,285 km (0.083 R)
• M28: 37,662,461 km (0.086 R)
• M29: 39,092,467 km (0.101 R)
• M30: 43,316,662 km (0.117 R)
• M31: 43,599,252 km (0.089 R)
• M32: 44,310,889 km (0.108 R)
• M33: 51,858,700 km (0.064 R)
• M34: 52,818,071 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.5

Radius: 3.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.56 AU - 9.1 AU

Year: 13460 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,870,450 km

• M1: 47,273 km (0.097 R)
• M2: 261,647 km (0.066 R)
• M3: 464,651 km (0.072 R)
• M4: 1,188,705 km (0.046 R)
• M5: 1,348,026 km (0.108 R)
• M6: 1,722,769 km (0.08 R)
• M7: 2,304,555 km (0.115 R)
• M8: 4,026,576 km (0.068 R)
• M9: 5,228,745 km (0.084 R)
• M10: 5,426,214 km (0.063 R)
• M11: 6,392,915 km (0.088 R)
• M12: 6,553,733 km (0.092 R)
• M13: 9,466,104 km (0.066 R)
• M14: 11,696,758 km (0.052 R)
• M15: 12,428,741 km (0.104 R)
• M16: 13,504,050 km (0.052 R)
• M17: 15,604,853 km (0.067 R)
• M18: 16,073,244 km (0.114 R)
• M19: 16,732,671 km (0.06 R)
• M20: 17,409,751 km (0.058 R)
• M21: 23,346,094 km (0.095 R)
• M22: 26,764,106 km (0.094 R)
• M23: 27,350,380 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit