🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 12.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,192,363 km

• M1: 151,692 km (0.106 R)
• M2: 591,211 km (0.04 R)
• M3: 1,354,459 km (0.103 R)
• M4: 2,103,346 km (0.09 R)
• M5: 3,018,137 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 10.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.43 AU - 1.63 AU

Year: 1306 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,192,363 km

• M1: 135,536 km (0.092 R)
• M2: 543,938 km (0.084 R)
• M3: 911,649 km (0.099 R)
• M4: 1,436,289 km (0.081 R)
• M5: 1,812,079 km (0.034 R)
• M6: 2,519,677 km (0.112 R)
• M7: 3,060,174 km (0.115 R)
• M8: 4,427,050 km (0.11 R)
• M9: 4,792,069 km (0.119 R)
• M10: 5,296,812 km (0.11 R)
• M11: 6,413,261 km (0.056 R)
• M12: 7,198,949 km (0.065 R)
• M13: 8,021,139 km (0.1 R)
• M14: 8,482,798 km (0.099 R)
• M15: 9,548,982 km (0.042 R)
• M16: 10,350,228 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 14.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.65 AU - 2.21 AU

Year: 1851 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,192,363 km

• M1: 205,248 km (0.083 R)
• M2: 870,510 km (0.098 R)
• M3: 1,848,132 km (0.102 R)
• M4: 2,343,002 km (0.072 R)
• M5: 4,659,226 km (0.097 R)
• M6: 5,570,277 km (0.117 R)
• M7: 6,234,042 km (0.102 R)
• M8: 7,192,815 km (0.09 R)
• M9: 8,060,483 km (0.072 R)
• M10: 8,519,898 km (0.115 R)
• M11: 9,943,471 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 8.9

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.19 AU - 3.97 AU

Year: 4676 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,192,363 km

• M1: 160,519 km (0.065 R)
• M2: 494,870 km (0.052 R)
• M3: 866,471 km (0.113 R)
• M4: 2,144,186 km (0.104 R)
• M5: 3,434,767 km (0.062 R)
• M6: 3,868,751 km (0.108 R)
• M7: 4,503,943 km (0.074 R)
• M8: 5,894,754 km (0.078 R)
• M9: 6,704,229 km (0.116 R)
• M10: 7,484,381 km (0.09 R)
• M11: 8,251,370 km (0.088 R)
• M12: 8,616,837 km (0.075 R)
• M13: 9,498,866 km (0.117 R)
• M14: 10,824,304 km (0.077 R)
• M15: 11,486,424 km (0.119 R)
• M16: 11,850,395 km (0.075 R)
• M17: 14,407,173 km (0.099 R)
• M18: 17,789,580 km (0.1 R)
• M19: 19,535,388 km (0.086 R)
• M20: 19,923,893 km (0.062 R)
• M21: 20,317,485 km (0.028 R)
• M22: 20,783,333 km (0.048 R)
• M23: 21,598,342 km (0.088 R)
• M24: 24,544,223 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 8.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.02 AU - 4.5 AU

Year: 5033 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,192,363 km

• M1: 111,002 km (0.116 R)
• M2: 398,678 km (0.118 R)
• M3: 695,032 km (0.082 R)
• M4: 2,116,511 km (0.11 R)
• M5: 2,414,210 km (0.053 R)
• M6: 3,024,869 km (0.059 R)
• M7: 3,635,527 km (0.102 R)
• M8: 4,238,108 km (0.103 R)
• M9: 4,529,076 km (0.105 R)
• M10: 5,588,378 km (0.053 R)
• M11: 5,994,237 km (0.1 R)
• M12: 6,625,241 km (0.101 R)
• M13: 7,884,855 km (0.1 R)
• M14: 9,223,008 km (0.035 R)
• M15: 10,024,254 km (0.063 R)
• M16: 10,341,551 km (0.115 R)
• M17: 12,433,229 km (0.114 R)
• M18: 13,173,289 km (0.087 R)
• M19: 13,844,685 km (0.112 R)
• M20: 14,843,101 km (0.105 R)
• M21: 19,198,643 km (0.028 R)
• M22: 20,566,117 km (0.083 R)
• M23: 22,533,778 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 8.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.14 AU - 5.18 AU

Year: 8091 Days

Day: 11.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,192,363 km

• M1: 109,506 km (0.075 R)
• M2: 388,954 km (0.114 R)
• M3: 855,251 km (0.077 R)
• M4: 1,492,987 km (0.113 R)
• M5: 2,019,870 km (0.116 R)
• M6: 2,473,750 km (0.101 R)
• M7: 2,952,015 km (0.052 R)
• M8: 4,763,944 km (0.104 R)
• M9: 8,026,075 km (0.057 R)
• M10: 10,064,646 km (0.049 R)
• M11: 11,282,372 km (0.112 R)
• M12: 18,726,362 km (0.102 R)
• M13: 19,174,408 km (0.068 R)
• M14: 21,849,218 km (0.115 R)
• M15: 22,596,908 km (0.079 R)
• M16: 23,447,521 km (0.092 R)
• M17: 25,576,000 km (0.111 R)
• M18: 26,313,218 km (0.09 R)
• M19: 27,830,141 km (0.025 R)
• M20: 33,928,199 km (0.1 R)
• M21: 35,723,523 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 11.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.76 AU - 6.06 AU

Year: 8686 Days

Day: 5.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,192,363 km

• M1: 139,724 km (0.086 R)
• M2: 763,398 km (0.079 R)
• M3: 1,233,734 km (0.039 R)
• M4: 2,073,726 km (0.103 R)
• M5: 2,600,460 km (0.099 R)
• M6: 3,424,594 km (0.101 R)
• M7: 4,330,260 km (0.1 R)
• M8: 5,454,039 km (0.079 R)
• M9: 5,857,505 km (0.063 R)
• M10: 6,209,060 km (0.092 R)
• M11: 6,800,719 km (0.102 R)
• M12: 7,634,279 km (0.103 R)
• M13: 10,290,838 km (0.068 R)
• M14: 12,679,018 km (0.027 R)
• M15: 13,632,555 km (0.11 R)
• M16: 14,002,211 km (0.069 R)
• M17: 16,640,519 km (0.105 R)
• M18: 17,062,984 km (0.047 R)
• M19: 19,283,914 km (0.071 R)
• M20: 20,948,938 km (0.1 R)
• M21: 23,490,905 km (0.078 R)
• M22: 23,933,715 km (0.093 R)
• M23: 26,804,647 km (0.112 R)
• M24: 28,573,044 km (0.114 R)
• M25: 30,417,885 km (0.119 R)
• M26: 37,742,346 km (0.088 R)
• M27: 40,338,916 km (0.069 R)
• M28: 46,023,486 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.6

Radius: 4.9

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.19 AU - 6.25 AU

Year: 9443 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,192,363 km

• M1: 60,886 km (0.066 R)
• M2: 230,979 km (0.062 R)
• M3: 535,860 km (0.064 R)
• M4: 694,583 km (0.086 R)
• M5: 965,355 km (0.092 R)
• M6: 1,130,960 km (0.085 R)
• M7: 1,350,121 km (0.081 R)
• M8: 1,994,140 km (0.047 R)
• M9: 2,524,763 km (0.101 R)
• M10: 3,765,528 km (0.079 R)
• M11: 4,006,081 km (0.115 R)
• M12: 5,986,458 km (0.103 R)
• M13: 8,096,835 km (0.054 R)
• M14: 9,167,058 km (0.06 R)
• M15: 9,558,406 km (0.111 R)
• M16: 10,562,208 km (0.057 R)
• M17: 11,735,205 km (0.118 R)
• M18: 13,935,640 km (0.118 R)
• M19: 17,168,300 km (0.119 R)
• M20: 17,496,817 km (0.108 R)
• M21: 18,370,619 km (0.05 R)
• M22: 19,343,902 km (0.099 R)
• M23: 20,132,283 km (0.061 R)
• M24: 22,704,618 km (0.049 R)
• M25: 24,233,359 km (0.096 R)
• M26: 25,829,419 km (0.09 R)
• M27: 27,673,512 km (0.076 R)
• M28: 30,938,934 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.1

Radius: 4

Gravity: 60.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.18 AU - 7.94 AU

Year: 11598 Days

Day: 15.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,192,363 km

• M1: 49,966 km (0.065 R)
• M2: 195,674 km (0.116 R)
• M3: 367,412 km (0.113 R)
• M4: 545,733 km (0.078 R)
• M5: 725,101 km (0.087 R)
• M6: 1,365,230 km (0.097 R)
• M7: 2,141,793 km (0.07 R)
• M8: 2,379,953 km (0.095 R)
• M9: 2,657,606 km (0.086 R)
• M10: 3,406,792 km (0.046 R)
• M11: 4,256,658 km (0.089 R)
• M12: 4,442,159 km (0.114 R)
• M13: 4,829,468 km (0.082 R)
• M14: 6,049,289 km (0.097 R)
• M15: 6,730,109 km (0.093 R)
• M16: 10,914,062 km (0.063 R)
• M17: 12,919,871 km (0.045 R)
• M18: 18,939,240 km (0.102 R)
• M19: 19,866,597 km (0.12 R)
• M20: 20,385,103 km (0.089 R)
• M21: 22,456,136 km (0.06 R)
• M22: 23,494,495 km (0.086 R)
• M23: 25,362,673 km (0.096 R)
• M24: 29,280,492 km (0.078 R)
• M25: 30,404,570 km (0.11 R)
• M26: 33,340,129 km (0.092 R)
• M27: 37,891,196 km (0.085 R)
• M28: 39,495,483 km (0.109 R)
• M29: 40,040,169 km (0.039 R)
• M30: 44,286,056 km (0.038 R)
• M31: 54,831,360 km (0.12 R)
• M32: 58,451,628 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.8

Radius: 6.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.05 AU - 7.83 AU

Year: 14008 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,192,363 km

• M1: 80,932 km (0.079 R)
• M2: 313,108 km (0.104 R)
• M3: 539,300 km (0.08 R)
• M4: 916,736 km (0.05 R)
• M5: 1,278,613 km (0.025 R)
• M6: 1,905,877 km (0.11 R)
• M7: 2,934,811 km (0.082 R)
• M8: 3,159,956 km (0.11 R)
• M9: 3,569,555 km (0.103 R)
• M10: 3,826,564 km (0.028 R)
• M11: 4,672,839 km (0.097 R)
• M12: 7,998,400 km (0.086 R)
• M13: 12,225,886 km (0.057 R)
• M14: 13,051,068 km (0.098 R)
• M15: 14,038,863 km (0.115 R)
• M16: 16,867,609 km (0.12 R)
• M17: 20,377,923 km (0.103 R)
• M18: 23,982,334 km (0.093 R)
• M19: 24,899,219 km (0.073 R)
• M20: 27,590,335 km (0.112 R)
• M21: 27,889,830 km (0.074 R)
• M22: 28,292,249 km (0.082 R)
• M23: 28,596,680 km (0.073 R)
• M24: 28,903,356 km (0.11 R)
• M25: 29,315,648 km (0.101 R)
• M26: 30,257,516 km (0.052 R)
• M27: 36,455,954 km (0.117 R)
• M28: 38,779,658 km (0.086 R)
• M29: 39,660,191 km (0.089 R)
• M30: 43,315,465 km (0.052 R)
• M31: 44,263,168 km (0.092 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit