🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 14.4

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 6.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,977,656 km

• M1: 179,368 km (0.038 R)
• M2: 643,720 km (0.095 R)
• M3: 1,230,742 km (0.1 R)
• M4: 1,704,668 km (0.101 R)
• M5: 2,495,442 km (0.093 R)
• M6: 3,233,109 km (0.087 R)
• M7: 3,943,849 km (0.117 R)
• M8: 4,426,900 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.3

Radius: 8.7

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.94 AU

Year: 459 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,977,656 km

• M1: 108,309 km (0.062 R)
• M2: 382,671 km (0.106 R)
• M3: 789,278 km (0.118 R)
• M4: 1,468,004 km (0.063 R)
• M5: 1,932,505 km (0.105 R)
• M6: 2,523,118 km (0.066 R)
• M7: 3,180,451 km (0.091 R)
• M8: 4,278,050 km (0.086 R)
• M9: 6,141,741 km (0.102 R)
• M10: 6,666,380 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 14.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.84 AU - 2.04 AU

Year: 1802 Days

Day: 10.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,977,656 km

• M1: 182,958 km (0.096 R)
• M2: 661,372 km (0.099 R)
• M3: 1,144,723 km (0.037 R)
• M4: 1,834,519 km (0.097 R)
• M5: 2,909,230 km (0.111 R)
• M6: 3,454,215 km (0.066 R)
• M7: 3,993,515 km (0.059 R)
• M8: 5,288,135 km (0.101 R)
• M9: 7,007,613 km (0.076 R)
• M10: 8,447,193 km (0.102 R)
• M11: 9,237,369 km (0.102 R)
• M12: 9,938,684 km (0.107 R)
• M13: 10,711,357 km (0.117 R)
• M14: 12,218,705 km (0.106 R)
• M15: 13,438,975 km (0.107 R)
• M16: 14,472,547 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 10.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.99 AU - 2.29 AU

Year: 2088 Days

Day: 13.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 135.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,977,656 km

• M1: 132,544 km (0.111 R)
• M2: 628,610 km (0.094 R)
• M3: 1,583,493 km (0.115 R)
• M4: 3,131,981 km (0.093 R)
• M5: 3,487,276 km (0.102 R)
• M6: 3,965,840 km (0.105 R)
• M7: 4,672,091 km (0.036 R)
• M8: 5,055,660 km (0.071 R)
• M9: 5,867,976 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 9.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.55 AU - 3.69 AU

Year: 3675 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,977,656 km

• M1: 122,221 km (0.101 R)
• M2: 445,502 km (0.107 R)
• M3: 1,014,423 km (0.076 R)
• M4: 1,490,743 km (0.095 R)
• M5: 1,856,360 km (0.1 R)
• M6: 2,772,198 km (0.094 R)
• M7: 3,125,848 km (0.107 R)
• M8: 3,732,018 km (0.092 R)
• M9: 4,247,084 km (0.082 R)
• M10: 5,769,242 km (0.079 R)
• M11: 6,431,512 km (0.049 R)
• M12: 6,738,486 km (0.111 R)
• M13: 7,687,984 km (0.053 R)
• M14: 8,724,398 km (0.078 R)
• M15: 9,489,143 km (0.108 R)
• M16: 10,373,565 km (0.1 R)
• M17: 10,993,200 km (0.088 R)
• M18: 12,737,361 km (0.105 R)
• M19: 14,137,747 km (0.114 R)
• M20: 17,891,606 km (0.084 R)
• M21: 18,726,213 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.3

Radius: 12.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.23 AU - 4.59 AU

Year: 5156 Days

Day: 6.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,977,656 km

• M1: 156,180 km (0.079 R)
• M2: 661,372 km (0.086 R)
• M3: 1,160,431 km (0.056 R)
• M4: 1,912,010 km (0.118 R)
• M5: 2,871,232 km (0.089 R)
• M6: 4,908,755 km (0.107 R)
• M7: 5,511,934 km (0.082 R)
• M8: 7,364,703 km (0.096 R)
• M9: 9,004,595 km (0.103 R)
• M10: 9,733,286 km (0.108 R)
• M11: 12,363,067 km (0.092 R)
• M12: 12,834,450 km (0.114 R)
• M13: 14,667,024 km (0.106 R)
• M14: 17,504,148 km (0.095 R)
• M15: 18,233,437 km (0.112 R)
• M16: 19,540,623 km (0.102 R)
• M17: 20,397,819 km (0.054 R)
• M18: 24,650,737 km (0.098 R)
• M19: 26,506,200 km (0.104 R)
• M20: 28,543,573 km (0.031 R)
• M21: 29,647,156 km (0.101 R)
• M22: 32,431,322 km (0.075 R)
• M23: 33,128,598 km (0.113 R)
• M24: 33,835,747 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.9

Radius: 4.2

Gravity: 47.84 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.53 AU - 6.73 AU

Year: 10121 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,977,656 km

• M1: 53,406 km (0.079 R)
• M2: 334,351 km (0.088 R)
• M3: 715,227 km (0.118 R)
• M4: 1,164,021 km (0.078 R)
• M5: 1,593,816 km (0.092 R)
• M6: 1,795,922 km (0.06 R)
• M7: 1,928,765 km (0.079 R)
• M8: 2,466,420 km (0.112 R)
• M9: 2,737,641 km (0.118 R)
• M10: 2,869,287 km (0.088 R)
• M11: 3,339,174 km (0.115 R)
• M12: 3,540,832 km (0.092 R)
• M13: 6,290,441 km (0.105 R)
• M14: 6,520,522 km (0.078 R)
• M15: 6,997,440 km (0.113 R)
• M16: 8,200,357 km (0.082 R)
• M17: 9,335,805 km (0.109 R)
• M18: 10,148,420 km (0.053 R)
• M19: 14,002,211 km (0.115 R)
• M20: 14,660,143 km (0.091 R)
• M21: 19,771,453 km (0.083 R)
• M22: 20,348,153 km (0.104 R)
• M23: 23,218,637 km (0.088 R)
• M24: 24,326,110 km (0.097 R)
• M25: 25,856,646 km (0.058 R)
• M26: 26,052,469 km (0.096 R)
• M27: 27,247,756 km (0.047 R)
• M28: 28,064,561 km (0.093 R)
• M29: 29,854,200 km (0.085 R)
• M30: 30,612,811 km (0.1 R)
• M31: 34,599,145 km (0.12 R)
• M32: 35,556,572 km (0.088 R)
• M33: 36,408,681 km (0.096 R)
• M34: 45,690,780 km (0.108 R)
• M35: 50,109,153 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.8

Radius: 4.1

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.71 AU - 10.31 AU

Year: 16555 Days

Day: 20.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,977,656 km

• M1: 52,359 km (0.034 R)
• M2: 459,864 km (0.094 R)
• M3: 718,219 km (0.106 R)
• M4: 880,683 km (0.114 R)
• M5: 2,732,854 km (0.089 R)
• M6: 4,018,797 km (0.091 R)
• M7: 4,808,225 km (0.112 R)
• M8: 6,197,092 km (0.098 R)
• M9: 6,420,591 km (0.098 R)
• M10: 10,820,414 km (0.086 R)
• M11: 16,106,754 km (0.099 R)
• M12: 31,138,049 km (0.117 R)
• M13: 35,207,709 km (0.108 R)
• M14: 35,918,748 km (0.078 R)
• M15: 42,754,024 km (0.095 R)
• M16: 43,292,277 km (0.036 R)
• M17: 47,330,522 km (0.099 R)
• M18: 48,051,285 km (0.096 R)
• M19: 48,925,684 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.7

Radius: 7.2

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.82 AU - 9.62 AU

Year: 17171 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,977,656 km

• M1: 90,208 km (0.033 R)
• M2: 340,036 km (0.067 R)
• M3: 689,197 km (0.097 R)
• M4: 1,200,523 km (0.089 R)
• M5: 1,728,304 km (0.111 R)
• M6: 2,016,878 km (0.102 R)
• M7: 2,254,141 km (0.088 R)
• M8: 4,158,821 km (0.049 R)
• M9: 4,414,484 km (0.078 R)
• M10: 4,922,069 km (0.119 R)
• M11: 5,430,403 km (0.034 R)
• M12: 5,893,408 km (0.043 R)
• M13: 6,299,118 km (0.103 R)
• M14: 7,166,486 km (0.037 R)
• M15: 9,903,229 km (0.114 R)
• M16: 12,266,427 km (0.094 R)
• M17: 12,594,346 km (0.112 R)
• M18: 13,063,185 km (0.093 R)
• M19: 16,837,689 km (0.119 R)
• M20: 18,929,067 km (0.068 R)
• M21: 19,191,013 km (0.111 R)
• M22: 19,991,811 km (0.115 R)
• M23: 22,042,648 km (0.079 R)
• M24: 24,025,268 km (0.111 R)
• M25: 25,588,117 km (0.05 R)
• M26: 35,609,679 km (0.118 R)
• M27: 40,894,822 km (0.084 R)
• M28: 43,268,342 km (0.035 R)
• M29: 45,107,648 km (0.077 R)
• M30: 51,955,640 km (0.057 R)
• M31: 53,160,351 km (0.047 R)
• M32: 55,447,104 km (0.094 R)
• M33: 55,804,643 km (0.062 R)
• M34: 56,705,222 km (0.074 R)
• M35: 58,720,455 km (0.108 R)
• M36: 63,672,743 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.5

Radius: 3.6

Gravity: 29.75 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.89 AU - 10.85 AU

Year: 19127 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,977,656 km

• M1: 50,265 km (0.065 R)
• M2: 184,903 km (0.088 R)
• M3: 354,846 km (0.064 R)
• M4: 562,039 km (0.1 R)
• M5: 693,536 km (0.088 R)
• M6: 897,737 km (0.108 R)
• M7: 1,244,056 km (0.094 R)
• M8: 1,382,434 km (0.108 R)
• M9: 1,931,159 km (0.087 R)
• M10: 2,525,212 km (0.092 R)
• M11: 4,623,921 km (0.048 R)
• M12: 5,784,501 km (0.08 R)
• M13: 6,575,126 km (0.062 R)
• M14: 6,783,515 km (0.107 R)
• M15: 8,319,287 km (0.093 R)
• M16: 8,464,996 km (0.077 R)
• M17: 10,237,880 km (0.106 R)
• M18: 11,269,806 km (0.105 R)
• M19: 11,872,087 km (0.118 R)
• M20: 12,369,201 km (0.105 R)
• M21: 13,739,816 km (0.089 R)
• M22: 13,943,569 km (0.11 R)
• M23: 15,499,536 km (0.09 R)
• M24: 15,794,394 km (0.115 R)
• M25: 17,167,552 km (0.112 R)
• M26: 17,483,204 km (0.11 R)
• M27: 19,715,653 km (0.119 R)
• M28: 20,855,290 km (0.044 R)
• M29: 21,124,416 km (0.106 R)
• M30: 26,477,327 km (0.047 R)
• M31: 32,909,138 km (0.082 R)
• M32: 36,159,900 km (0.104 R)
• M33: 40,865,052 km (0.096 R)
• M34: 42,424,011 km (0.038 R)
• M35: 43,582,348 km (0.056 R)
• M36: 53,954,267 km (0.087 R)
• M37: 55,142,224 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 20,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit