🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 12.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 7.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,534,729 km

• M1: 154,684 km (0.076 R)
• M2: 580,440 km (0.11 R)
• M3: 1,117,047 km (0.069 R)
• M4: 1,539,063 km (0.118 R)
• M5: 2,900,553 km (0.101 R)
• M6: 3,483,237 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 10.4

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.63 AU - 0.73 AU

Year: 374 Days

Day: 6.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,534,729 km

• M1: 129,552 km (0.082 R)
• M2: 468,541 km (0.073 R)
• M3: 901,178 km (0.082 R)
• M4: 1,579,454 km (0.1 R)
• M5: 2,281,218 km (0.039 R)
• M6: 3,034,742 km (0.099 R)
• M7: 3,690,280 km (0.107 R)
• M8: 4,713,380 km (0.118 R)
• M9: 5,046,834 km (0.086 R)
• M10: 5,461,220 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 10.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.86 AU - 1.32 AU

Year: 759 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,534,729 km

• M1: 128,355 km (0.103 R)
• M2: 460,462 km (0.094 R)
• M3: 828,024 km (0.115 R)
• M4: 1,320,949 km (0.107 R)
• M5: 1,685,818 km (0.117 R)
• M6: 2,089,134 km (0.104 R)
• M7: 3,368,794 km (0.035 R)
• M8: 4,107,359 km (0.056 R)
• M9: 5,311,024 km (0.079 R)
• M10: 5,904,927 km (0.072 R)
• M11: 6,373,617 km (0.12 R)
• M12: 7,408,984 km (0.066 R)
• M13: 8,732,626 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 13.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.83 AU - 2.67 AU

Year: 2251 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,534,729 km

• M1: 170,990 km (0.046 R)
• M2: 762,052 km (0.053 R)
• M3: 1,206,956 km (0.119 R)
• M4: 2,073,726 km (0.074 R)
• M5: 3,035,191 km (0.097 R)
• M6: 4,745,693 km (0.104 R)
• M7: 5,400,932 km (0.118 R)
• M8: 8,698,368 km (0.056 R)
• M9: 9,485,552 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 10

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.25 AU - 3.31 AU

Year: 3091 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,534,729 km

• M1: 124,765 km (0.116 R)
• M2: 444,605 km (0.045 R)
• M3: 765,792 km (0.102 R)
• M4: 1,083,089 km (0.09 R)
• M5: 1,566,439 km (0.099 R)
• M6: 1,897,051 km (0.105 R)
• M7: 2,303,658 km (0.093 R)
• M8: 2,718,941 km (0.108 R)
• M9: 3,562,075 km (0.106 R)
• M10: 4,341,330 km (0.098 R)
• M11: 5,437,583 km (0.095 R)
• M12: 5,924,375 km (0.113 R)
• M13: 6,265,009 km (0.048 R)
• M14: 6,618,509 km (0.081 R)
• M15: 7,861,069 km (0.053 R)
• M16: 9,252,778 km (0.053 R)
• M17: 9,908,316 km (0.045 R)
• M18: 10,348,732 km (0.104 R)
• M19: 10,718,687 km (0.107 R)
• M20: 12,197,014 km (0.058 R)
• M21: 13,032,518 km (0.063 R)
• M22: 13,806,836 km (0.047 R)
• M23: 14,407,322 km (0.11 R)
• M24: 17,385,517 km (0.101 R)
• M25: 18,323,645 km (0.078 R)
• M26: 19,982,835 km (0.109 R)
• M27: 20,428,786 km (0.095 R)
• M28: 23,386,037 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 11.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.06 AU - 3.24 AU

Year: 3728 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,534,729 km

• M1: 154,983 km (0.051 R)
• M2: 1,235,230 km (0.101 R)
• M3: 1,975,889 km (0.106 R)
• M4: 3,231,164 km (0.084 R)
• M5: 5,672,302 km (0.098 R)
• M6: 6,604,148 km (0.059 R)
• M7: 8,404,408 km (0.097 R)
• M8: 14,771,743 km (0.117 R)
• M9: 16,643,362 km (0.097 R)
• M10: 17,815,610 km (0.033 R)
• M11: 18,606,684 km (0.094 R)
• M12: 22,988,256 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 14.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.48 AU - 5.72 AU

Year: 6579 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,534,729 km

• M1: 176,825 km (0.098 R)
• M2: 685,757 km (0.117 R)
• M3: 1,312,871 km (0.115 R)
• M4: 1,782,309 km (0.108 R)
• M5: 2,818,274 km (0.105 R)
• M6: 4,459,363 km (0.103 R)
• M7: 5,306,087 km (0.109 R)
• M8: 5,800,209 km (0.115 R)
• M9: 6,989,512 km (0.119 R)
• M10: 7,432,920 km (0.085 R)
• M11: 7,934,521 km (0.082 R)
• M12: 8,750,428 km (0.074 R)
• M13: 11,793,698 km (0.109 R)
• M14: 13,077,397 km (0.04 R)
• M15: 13,638,987 km (0.119 R)
• M16: 15,545,463 km (0.114 R)
• M17: 17,691,594 km (0.107 R)
• M18: 24,286,466 km (0.091 R)
• M19: 25,050,463 km (0.088 R)
• M20: 25,918,130 km (0.117 R)
• M21: 29,018,546 km (0.05 R)
• M22: 29,975,524 km (0.107 R)
• M23: 34,544,841 km (0.117 R)
• M24: 36,495,897 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.4

Radius: 5.9

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.34 AU - 8.46 AU

Year: 14807 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,534,729 km

• M1: 73,453 km (0.049 R)
• M2: 334,650 km (0.075 R)
• M3: 764,744 km (0.073 R)
• M4: 1,214,436 km (0.052 R)
• M5: 1,513,182 km (0.114 R)
• M6: 2,937,205 km (0.094 R)
• M7: 3,609,049 km (0.068 R)
• M8: 5,896,101 km (0.051 R)
• M9: 8,004,683 km (0.12 R)
• M10: 8,235,213 km (0.076 R)
• M11: 10,296,373 km (0.102 R)
• M12: 10,569,239 km (0.083 R)
• M13: 12,678,420 km (0.104 R)
• M14: 13,897,343 km (0.053 R)
• M15: 15,689,376 km (0.106 R)
• M16: 17,016,758 km (0.081 R)
• M17: 18,738,480 km (0.116 R)
• M18: 20,061,374 km (0.095 R)
• M19: 22,891,915 km (0.04 R)
• M20: 25,478,163 km (0.076 R)
• M21: 27,515,088 km (0.103 R)
• M22: 28,359,418 km (0.067 R)
• M23: 28,680,455 km (0.1 R)
• M24: 37,004,230 km (0.068 R)
• M25: 37,259,594 km (0.087 R)
• M26: 40,011,446 km (0.119 R)
• M27: 43,460,425 km (0.095 R)
• M28: 51,100,837 km (0.069 R)
• M29: 52,696,897 km (0.08 R)
• M30: 54,490,725 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.3

Radius: 3.2

Gravity: 65.95 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.36 AU - 9.8 AU

Year: 15316 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,534,729 km

• M1: 40,691 km (0.054 R)
• M2: 149,299 km (0.073 R)
• M3: 780,751 km (0.082 R)
• M4: 1,232,088 km (0.08 R)
• M5: 1,872,666 km (0.09 R)
• M6: 5,111,610 km (0.082 R)
• M7: 5,254,027 km (0.102 R)
• M8: 5,399,286 km (0.112 R)
• M9: 5,697,585 km (0.073 R)
• M10: 7,177,706 km (0.078 R)
• M11: 7,630,239 km (0.112 R)
• M12: 8,101,622 km (0.102 R)
• M13: 9,740,168 km (0.046 R)
• M14: 10,579,113 km (0.115 R)
• M15: 11,164,639 km (0.081 R)
• M16: 14,560,361 km (0.094 R)
• M17: 16,802,085 km (0.052 R)
• M18: 19,782,972 km (0.092 R)
• M19: 26,445,014 km (0.036 R)
• M20: 27,086,340 km (0.116 R)
• M21: 29,412,886 km (0.049 R)
• M22: 31,629,627 km (0.065 R)
• M23: 41,181,302 km (0.056 R)
• M24: 41,754,112 km (0.106 R)
• M25: 42,477,418 km (0.105 R)
• M26: 44,848,245 km (0.119 R)
• M27: 45,759,595 km (0.103 R)
• M28: 51,488,296 km (0.104 R)
• M29: 53,160,351 km (0.054 R)
• M30: 55,040,946 km (0.114 R)
• M31: 58,034,100 km (0.106 R)
• M32: 58,393,135 km (0.088 R)
• M33: 60,027,492 km (0.102 R)
• M34: 62,818,539 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.8

Radius: 5.4

Gravity: 20.53 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.15 AU - 8.71 AU

Year: 16322 Days

Day: 19.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,534,729 km

• M1: 67,319 km (0.11 R)
• M2: 256,710 km (0.089 R)
• M3: 598,092 km (0.098 R)
• M4: 790,026 km (0.089 R)
• M5: 1,119,590 km (0.082 R)
• M6: 1,746,705 km (0.098 R)
• M7: 1,976,337 km (0.116 R)
• M8: 3,803,077 km (0.096 R)
• M9: 4,603,426 km (0.116 R)
• M10: 5,473,636 km (0.084 R)
• M11: 7,488,421 km (0.071 R)
• M12: 8,096,237 km (0.084 R)
• M13: 8,991,131 km (0.087 R)
• M14: 12,904,163 km (0.098 R)
• M15: 15,936,960 km (0.097 R)
• M16: 24,454,016 km (0.082 R)
• M17: 32,684,592 km (0.089 R)
• M18: 45,112,135 km (0.078 R)
• M19: 49,811,603 km (0.051 R)
• M20: 61,277,233 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit