🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.1

Radius: 14.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.97 AU - 0.99 AU

Year: 617 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,561,999 km

• M1: 180,116 km (0.033 R)
• M2: 621,280 km (0.086 R)
• M3: 1,244,056 km (0.11 R)
• M4: 1,759,570 km (0.078 R)
• M5: 2,239,630 km (0.103 R)
• M6: 2,840,564 km (0.117 R)
• M7: 3,808,911 km (0.107 R)
• M8: 4,400,122 km (0.092 R)
• M9: 4,971,287 km (0.057 R)
• M10: 5,436,087 km (0.091 R)
• M11: 6,169,715 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.8

Radius: 9.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.09 AU - 1.45 AU

Year: 910 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,561,999 km

• M1: 114,442 km (0.103 R)
• M2: 418,276 km (0.064 R)
• M3: 1,130,362 km (0.104 R)
• M4: 1,582,745 km (0.118 R)
• M5: 2,115,463 km (0.051 R)
• M6: 2,411,966 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 14

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.48 AU - 2.38 AU

Year: 1705 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,561,999 km

• M1: 174,431 km (0.116 R)
• M2: 1,103,434 km (0.119 R)
• M3: 1,565,542 km (0.108 R)
• M4: 2,776,985 km (0.081 R)
• M5: 3,295,641 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 10.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.88 AU - 2.4 AU

Year: 1990 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,561,999 km

• M1: 132,095 km (0.094 R)
• M2: 742,454 km (0.082 R)
• M3: 1,261,110 km (0.107 R)
• M4: 1,824,496 km (0.113 R)
• M5: 2,583,705 km (0.09 R)
• M6: 4,411,492 km (0.12 R)
• M7: 5,209,297 km (0.072 R)
• M8: 5,732,590 km (0.095 R)
• M9: 6,163,582 km (0.075 R)
• M10: 7,183,540 km (0.102 R)
• M11: 8,811,614 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 11.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.45 AU - 2.49 AU

Year: 2468 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,561,999 km

• M1: 138,079 km (0.082 R)
• M2: 689,197 km (0.075 R)
• M3: 2,136,407 km (0.113 R)
• M4: 2,501,276 km (0.108 R)
• M5: 3,032,349 km (0.116 R)
• M6: 3,745,931 km (0.098 R)
• M7: 4,202,055 km (0.086 R)
• M8: 4,568,121 km (0.107 R)
• M9: 5,180,425 km (0.12 R)
• M10: 6,252,443 km (0.084 R)
• M11: 7,092,585 km (0.075 R)
• M12: 7,853,739 km (0.103 R)
• M13: 8,285,777 km (0.076 R)
• M14: 8,766,136 km (0.053 R)
• M15: 10,210,952 km (0.081 R)
• M16: 10,838,815 km (0.092 R)
• M17: 11,453,063 km (0.109 R)
• M18: 12,583,874 km (0.038 R)
• M19: 13,176,431 km (0.112 R)
• M20: 14,326,240 km (0.075 R)
• M21: 15,637,914 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 8.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.5 AU - 3.28 AU

Year: 3124 Days

Day: 6.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,561,999 km

• M1: 104,120 km (0.026 R)
• M2: 590,313 km (0.111 R)
• M3: 974,630 km (0.118 R)
• M4: 1,520,513 km (0.04 R)
• M5: 1,836,164 km (0.068 R)
• M6: 2,266,707 km (0.046 R)
• M7: 2,545,109 km (0.047 R)
• M8: 3,158,759 km (0.12 R)
• M9: 3,411,280 km (0.112 R)
• M10: 3,957,163 km (0.078 R)
• M11: 4,677,477 km (0.061 R)
• M12: 6,652,169 km (0.087 R)
• M13: 7,457,155 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.2

Radius: 3.2

Gravity: 52.07 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.38 AU - 6.46 AU

Year: 10343 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,561,999 km

• M1: 46,824 km (0.107 R)
• M2: 158,275 km (0.065 R)
• M3: 617,091 km (0.069 R)
• M4: 868,864 km (0.056 R)
• M5: 1,232,088 km (0.088 R)
• M6: 1,381,985 km (0.032 R)
• M7: 1,733,690 km (0.1 R)
• M8: 2,124,439 km (0.094 R)
• M9: 3,054,938 km (0.115 R)
• M10: 4,717,569 km (0.059 R)
• M11: 7,333,138 km (0.073 R)
• M12: 8,605,169 km (0.107 R)
• M13: 8,830,463 km (0.089 R)
• M14: 10,116,257 km (0.112 R)
• M15: 12,412,883 km (0.089 R)
• M16: 15,626,395 km (0.119 R)
• M17: 17,351,707 km (0.027 R)
• M18: 25,063,777 km (0.057 R)
• M19: 27,223,671 km (0.108 R)
• M20: 36,163,041 km (0.119 R)
• M21: 40,276,235 km (0.067 R)
• M22: 41,542,730 km (0.035 R)
• M23: 42,056,749 km (0.077 R)
• M24: 43,360,195 km (0.075 R)
• M25: 43,756,330 km (0.074 R)
• M26: 43,889,023 km (0.078 R)
• M27: 44,690,270 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549

Radius: 5.6

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.58 AU - 8.02 AU

Year: 13851 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 153.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,561,999 km

• M1: 87,066 km (0.106 R)
• M2: 300,243 km (0.086 R)
• M3: 574,007 km (0.094 R)
• M4: 892,202 km (0.077 R)
• M5: 1,074,861 km (0.058 R)
• M6: 1,417,290 km (0.117 R)
• M7: 5,172,047 km (0.042 R)
• M8: 6,530,545 km (0.06 R)
• M9: 7,838,779 km (0.029 R)
• M10: 8,065,120 km (0.1 R)
• M11: 8,249,275 km (0.035 R)
• M12: 8,578,241 km (0.117 R)
• M13: 8,770,175 km (0.118 R)
• M14: 9,669,558 km (0.083 R)
• M15: 11,650,084 km (0.104 R)
• M16: 15,313,885 km (0.102 R)
• M17: 19,595,975 km (0.108 R)
• M18: 22,824,895 km (0.059 R)
• M19: 23,008,901 km (0.084 R)
• M20: 23,473,252 km (0.088 R)
• M21: 24,516,847 km (0.079 R)
• M22: 25,294,906 km (0.031 R)
• M23: 25,491,926 km (0.116 R)
• M24: 27,415,605 km (0.097 R)
• M25: 29,651,944 km (0.118 R)
• M26: 34,483,805 km (0.093 R)
• M27: 35,460,081 km (0.117 R)
• M28: 35,830,784 km (0.096 R)
• M29: 36,204,181 km (0.1 R)
• M30: 37,852,151 km (0.082 R)
• M31: 38,629,461 km (0.086 R)
• M32: 39,549,638 km (0.116 R)
• M33: 42,120,627 km (0.095 R)
• M34: 44,084,847 km (0.085 R)
• M35: 46,256,260 km (0.051 R)
• M36: 47,592,767 km (0.091 R)
• M37: 48,346,292 km (0.085 R)
• M38: 49,877,127 km (0.057 R)
• M39: 50,187,243 km (0.111 R)
• M40: 52,233,593 km (0.097 R)
• M41: 53,196,704 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793

Radius: 6.1

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.52 AU - 8.26 AU

Year: 14091 Days

Day: 16.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,561,999 km

• M1: 76,295 km (0.073 R)
• M2: 297,700 km (0.106 R)
• M3: 530,025 km (0.09 R)
• M4: 885,470 km (0.093 R)
• M5: 1,278,463 km (0.044 R)
• M6: 1,538,465 km (0.096 R)
• M7: 2,013,288 km (0.093 R)
• M8: 2,264,912 km (0.053 R)
• M9: 2,831,588 km (0.07 R)
• M10: 5,458,078 km (0.102 R)
• M11: 7,195,358 km (0.086 R)
• M12: 7,509,364 km (0.109 R)
• M13: 8,407,999 km (0.107 R)
• M14: 11,112,579 km (0.105 R)
• M15: 11,962,743 km (0.053 R)
• M16: 12,595,991 km (0.112 R)
• M17: 13,052,414 km (0.073 R)
• M18: 15,061,514 km (0.09 R)
• M19: 19,335,674 km (0.096 R)
• M20: 19,768,012 km (0.064 R)
• M21: 22,785,700 km (0.108 R)
• M22: 23,659,053 km (0.106 R)
• M23: 23,955,107 km (0.1 R)
• M24: 26,838,307 km (0.069 R)
• M25: 29,944,707 km (0.081 R)
• M26: 31,109,775 km (0.098 R)
• M27: 35,554,477 km (0.077 R)
• M28: 36,728,372 km (0.089 R)
• M29: 38,741,809 km (0.045 R)
• M30: 47,376,150 km (0.118 R)
• M31: 50,407,900 km (0.111 R)
• M32: 52,891,075 km (0.099 R)
• M33: 56,326,889 km (0.081 R)
• M34: 58,458,360 km (0.061 R)
• M35: 58,818,741 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 4.6

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.56 AU - 9.94 AU

Year: 15067 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 129.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,561,999 km

• M1: 58,942 km (0.111 R)
• M2: 205,099 km (0.097 R)
• M3: 403,914 km (0.117 R)
• M4: 552,615 km (0.043 R)
• M5: 852,109 km (0.12 R)
• M6: 1,139,487 km (0.059 R)
• M7: 1,292,675 km (0.099 R)
• M8: 1,474,287 km (0.053 R)
• M9: 1,770,341 km (0.095 R)
• M10: 2,142,541 km (0.066 R)
• M11: 3,287,862 km (0.103 R)
• M12: 3,877,278 km (0.061 R)
• M13: 4,661,170 km (0.103 R)
• M14: 4,955,729 km (0.102 R)
• M15: 5,509,690 km (0.114 R)
• M16: 7,730,171 km (0.076 R)
• M17: 8,096,237 km (0.119 R)
• M18: 10,819,217 km (0.09 R)
• M19: 12,231,421 km (0.109 R)
• M20: 13,895,249 km (0.058 R)
• M21: 14,367,679 km (0.073 R)
• M22: 14,850,880 km (0.099 R)
• M23: 18,784,257 km (0.05 R)
• M24: 19,112,774 km (0.091 R)
• M25: 20,551,905 km (0.112 R)
• M26: 22,427,563 km (0.075 R)
• M27: 22,797,369 km (0.03 R)
• M28: 23,931,022 km (0.05 R)
• M29: 27,136,904 km (0.078 R)
• M30: 29,610,206 km (0.064 R)
• M31: 30,391,855 km (0.062 R)
• M32: 32,937,711 km (0.105 R)
• M33: 36,506,069 km (0.095 R)
• M34: 37,404,404 km (0.047 R)
• M35: 43,677,492 km (0.11 R)
• M36: 46,610,657 km (0.078 R)
• M37: 50,142,962 km (0.119 R)
• M38: 50,616,440 km (0.075 R)
• M39: 51,252,380 km (0.091 R)
• M40: 52,054,823 km (0.119 R)
• M41: 57,046,006 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit