🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 10.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.72 AU - 0.76 AU

Year: 418 Days

Day: 9.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,897,459 km

• M1: 125,662 km (0.047 R)
• M2: 456,423 km (0.111 R)
• M3: 813,214 km (0.092 R)
• M4: 1,205,310 km (0.116 R)
• M5: 1,835,117 km (0.1 R)
• M6: 2,234,394 km (0.106 R)
• M7: 2,554,832 km (0.108 R)
• M8: 2,990,910 km (0.068 R)
• M9: 3,370,440 km (0.118 R)
• M10: 4,548,074 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 8.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.77 AU - 1.15 AU

Year: 617 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,897,459 km

• M1: 103,223 km (0.113 R)
• M2: 387,907 km (0.08 R)
• M3: 753,824 km (0.098 R)
• M4: 1,123,330 km (0.074 R)
• M5: 1,428,061 km (0.089 R)
• M6: 1,690,755 km (0.061 R)
• M7: 2,446,224 km (0.119 R)
• M8: 3,165,042 km (0.066 R)
• M9: 3,937,715 km (0.052 R)
• M10: 4,375,738 km (0.087 R)
• M11: 4,937,627 km (0.04 R)
• M12: 5,715,087 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 11.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.88 AU - 1.14 AU

Year: 666 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,897,459 km

• M1: 146,756 km (0.082 R)
• M2: 551,268 km (0.113 R)
• M3: 940,821 km (0.108 R)
• M4: 1,470,846 km (0.09 R)
• M5: 1,877,004 km (0.076 R)
• M6: 2,886,341 km (0.113 R)
• M7: 3,876,829 km (0.077 R)
• M8: 4,306,175 km (0.04 R)
• M9: 4,818,697 km (0.059 R)
• M10: 5,750,542 km (0.064 R)
• M11: 6,147,425 km (0.116 R)
• M12: 6,886,140 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 9.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.48 AU - 1.5 AU

Year: 1193 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,897,459 km

• M1: 121,324 km (0.055 R)
• M2: 431,739 km (0.072 R)
• M3: 841,488 km (0.096 R)
• M4: 1,210,097 km (0.106 R)
• M5: 1,780,813 km (0.112 R)
• M6: 3,724,389 km (0.059 R)
• M7: 4,497,959 km (0.119 R)
• M8: 6,042,707 km (0.031 R)
• M9: 7,700,550 km (0.116 R)
• M10: 8,634,490 km (0.072 R)
• M11: 10,142,586 km (0.111 R)
• M12: 11,400,854 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.75 AU - 2.77 AU

Year: 2229 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,897,459 km

• M1: 181,163 km (0.066 R)
• M2: 661,671 km (0.07 R)
• M3: 1,122,433 km (0.097 R)
• M4: 1,617,303 km (0.109 R)
• M5: 2,578,469 km (0.053 R)
• M6: 3,273,501 km (0.093 R)
• M7: 3,797,991 km (0.106 R)
• M8: 4,636,188 km (0.049 R)
• M9: 5,695,041 km (0.105 R)
• M10: 6,349,831 km (0.106 R)
• M11: 6,852,031 km (0.049 R)
• M12: 7,873,785 km (0.086 R)
• M13: 8,688,046 km (0.101 R)
• M14: 9,450,546 km (0.052 R)
• M15: 9,958,730 km (0.033 R)
• M16: 10,447,018 km (0.115 R)
• M17: 11,758,692 km (0.095 R)
• M18: 12,304,574 km (0.092 R)
• M19: 15,591,090 km (0.054 R)
• M20: 18,119,743 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.1

Radius: 10.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.77 AU - 2.81 AU

Year: 2273 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,897,459 km

• M1: 135,984 km (0.109 R)
• M2: 617,989 km (0.048 R)
• M3: 1,159,982 km (0.03 R)
• M4: 1,544,748 km (0.11 R)
• M5: 1,901,688 km (0.119 R)
• M6: 2,827,101 km (0.077 R)
• M7: 3,263,926 km (0.094 R)
• M8: 4,238,856 km (0.1 R)
• M9: 5,439,678 km (0.12 R)
• M10: 6,420,741 km (0.073 R)
• M11: 7,385,497 km (0.064 R)
• M12: 8,586,918 km (0.084 R)
• M13: 9,114,400 km (0.027 R)
• M14: 11,689,428 km (0.091 R)
• M15: 12,264,632 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798

Radius: 9.9

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.58 AU - 5.4 AU

Year: 7312 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,897,459 km

• M1: 126,859 km (0.069 R)
• M2: 490,382 km (0.107 R)
• M3: 1,511,238 km (0.086 R)
• M4: 2,075,371 km (0.072 R)
• M5: 2,488,710 km (0.114 R)
• M6: 3,019,184 km (0.114 R)
• M7: 4,954,233 km (0.047 R)
• M8: 5,379,390 km (0.072 R)
• M9: 5,861,843 km (0.1 R)
• M10: 7,602,265 km (0.062 R)
• M11: 8,168,941 km (0.095 R)
• M12: 8,894,790 km (0.059 R)
• M13: 9,478,371 km (0.12 R)
• M14: 10,573,278 km (0.1 R)
• M15: 10,973,303 km (0.11 R)
• M16: 15,676,211 km (0.083 R)
• M17: 19,416,756 km (0.086 R)
• M18: 24,399,862 km (0.12 R)
• M19: 28,895,278 km (0.108 R)
• M20: 36,007,011 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 9.4

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.22 AU - 5.94 AU

Year: 7511 Days

Day: 10.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,897,459 km

• M1: 133,591 km (0.071 R)
• M2: 470,186 km (0.09 R)
• M3: 1,394,103 km (0.109 R)
• M4: 1,772,286 km (0.116 R)
• M5: 2,201,632 km (0.101 R)
• M6: 2,544,361 km (0.075 R)
• M7: 2,840,116 km (0.113 R)
• M8: 3,997,554 km (0.103 R)
• M9: 4,539,547 km (0.12 R)
• M10: 5,803,649 km (0.056 R)
• M11: 6,249,750 km (0.103 R)
• M12: 6,571,834 km (0.059 R)
• M13: 6,904,989 km (0.062 R)
• M14: 7,485,429 km (0.06 R)
• M15: 7,972,968 km (0.116 R)
• M16: 8,743,696 km (0.103 R)
• M17: 9,657,590 km (0.077 R)
• M18: 11,781,880 km (0.109 R)
• M19: 12,330,305 km (0.116 R)
• M20: 13,836,008 km (0.094 R)
• M21: 14,821,559 km (0.113 R)
• M22: 15,985,280 km (0.034 R)
• M23: 17,348,566 km (0.042 R)
• M24: 21,984,454 km (0.108 R)
• M25: 22,314,467 km (0.094 R)
• M26: 23,410,122 km (0.078 R)
• M27: 24,985,836 km (0.047 R)
• M28: 28,542,376 km (0.036 R)
• M29: 33,174,225 km (0.102 R)
• M30: 34,267,487 km (0.11 R)
• M31: 36,066,551 km (0.074 R)
• M32: 42,347,567 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.7

Radius: 4.4

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.91 AU - 8.49 AU

Year: 14017 Days

Day: 19.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,897,459 km

• M1: 57,146 km (0.096 R)
• M2: 346,319 km (0.081 R)
• M3: 542,591 km (0.073 R)
• M4: 976,874 km (0.079 R)
• M5: 1,404,724 km (0.049 R)
• M6: 1,792,033 km (0.042 R)
• M7: 2,470,310 km (0.118 R)
• M8: 3,487,575 km (0.06 R)
• M9: 3,676,218 km (0.097 R)
• M10: 3,986,484 km (0.092 R)
• M11: 4,192,929 km (0.097 R)
• M12: 4,627,062 km (0.029 R)
• M13: 4,888,260 km (0.049 R)
• M14: 5,657,492 km (0.056 R)
• M15: 7,745,280 km (0.049 R)
• M16: 8,066,916 km (0.065 R)
• M17: 8,445,398 km (0.115 R)
• M18: 8,736,964 km (0.112 R)
• M19: 9,237,669 km (0.076 R)
• M20: 12,093,043 km (0.118 R)
• M21: 16,070,402 km (0.069 R)
• M22: 16,293,153 km (0.079 R)
• M23: 21,282,242 km (0.109 R)
• M24: 23,975,303 km (0.095 R)
• M25: 24,657,768 km (0.061 R)
• M26: 25,252,869 km (0.105 R)
• M27: 26,163,620 km (0.104 R)
• M28: 29,467,938 km (0.063 R)
• M29: 30,250,784 km (0.039 R)
• M30: 30,818,358 km (0.065 R)
• M31: 31,624,840 km (0.079 R)
• M32: 36,122,799 km (0.034 R)
• M33: 40,341,310 km (0.095 R)
• M34: 40,890,783 km (0.092 R)
• M35: 41,445,043 km (0.086 R)
• M36: 48,184,427 km (0.105 R)
• M37: 54,943,408 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.7

Radius: 7

Gravity: 17.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.11 AU - 9.89 AU

Year: 16257 Days

Day: 20.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,897,459 km

• M1: 87,066 km (0.072 R)
• M2: 335,698 km (0.119 R)
• M3: 800,648 km (0.097 R)
• M4: 1,141,133 km (0.083 R)
• M5: 1,360,593 km (0.112 R)
• M6: 1,592,021 km (0.056 R)
• M7: 2,969,518 km (0.103 R)
• M8: 6,582,755 km (0.12 R)
• M9: 8,265,731 km (0.113 R)
• M10: 8,991,580 km (0.073 R)
• M11: 9,424,965 km (0.104 R)
• M12: 10,991,255 km (0.096 R)
• M13: 13,689,701 km (0.105 R)
• M14: 15,845,556 km (0.061 R)
• M15: 21,864,626 km (0.097 R)
• M16: 23,858,317 km (0.081 R)
• M17: 27,071,380 km (0.112 R)
• M18: 28,781,134 km (0.055 R)
• M19: 29,248,927 km (0.091 R)
• M20: 35,132,162 km (0.073 R)
• M21: 36,614,528 km (0.036 R)
• M22: 37,718,560 km (0.109 R)
• M23: 39,272,732 km (0.08 R)
• M24: 46,075,695 km (0.111 R)
• M25: 49,838,082 km (0.112 R)
• M26: 50,682,263 km (0.068 R)
• M27: 56,860,355 km (0.11 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: 200 - 12,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit