🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 12.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,867,510 km

• M1: 157,527 km (0.099 R)
• M2: 565,480 km (0.102 R)
• M3: 1,047,783 km (0.088 R)
• M4: 1,451,997 km (0.081 R)
• M5: 2,004,462 km (0.103 R)
• M6: 2,790,898 km (0.092 R)
• M7: 3,345,607 km (0.092 R)
• M8: 3,806,518 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 9.6

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.68 AU - 0.72 AU

Year: 404 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,867,510 km

• M1: 119,379 km (0.114 R)
• M2: 560,992 km (0.075 R)
• M3: 870,959 km (0.078 R)
• M4: 1,173,595 km (0.069 R)
• M5: 1,554,920 km (0.03 R)
• M6: 1,898,397 km (0.049 R)
• M7: 2,448,468 km (0.093 R)
• M8: 2,771,899 km (0.093 R)
• M9: 3,702,248 km (0.109 R)
• M10: 4,157,624 km (0.1 R)
• M11: 4,462,804 km (0.119 R)
• M12: 4,768,133 km (0.094 R)
• M13: 5,134,199 km (0.106 R)
• M14: 5,601,543 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 9.4

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.82 AU - 2.16 AU

Year: 1938 Days

Day: 8.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,867,510 km

• M1: 116,986 km (0.038 R)
• M2: 569,818 km (0.088 R)
• M3: 960,867 km (0.068 R)
• M4: 1,332,917 km (0.116 R)
• M5: 1,661,284 km (0.098 R)
• M6: 2,068,191 km (0.069 R)
• M7: 2,402,841 km (0.037 R)
• M8: 2,818,873 km (0.115 R)
• M9: 3,149,634 km (0.088 R)
• M10: 3,559,532 km (0.117 R)
• M11: 3,890,143 km (0.102 R)
• M12: 4,404,012 km (0.085 R)
• M13: 5,212,738 km (0.053 R)
• M14: 6,458,738 km (0.108 R)
• M15: 7,412,724 km (0.071 R)
• M16: 7,985,385 km (0.119 R)
• M17: 11,655,918 km (0.078 R)
• M18: 12,141,214 km (0.103 R)
• M19: 12,639,823 km (0.071 R)
• M20: 13,238,664 km (0.029 R)
• M21: 15,054,632 km (0.075 R)
• M22: 16,220,598 km (0.09 R)
• M23: 17,030,670 km (0.119 R)
• M24: 17,550,523 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 12.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.7 AU - 2.7 AU

Year: 3062 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,867,510 km

• M1: 157,527 km (0.101 R)
• M2: 794,664 km (0.05 R)
• M3: 1,421,180 km (0.093 R)
• M4: 1,877,004 km (0.083 R)
• M5: 2,335,672 km (0.066 R)
• M6: 3,645,551 km (0.08 R)
• M7: 5,396,594 km (0.101 R)
• M8: 6,203,225 km (0.11 R)
• M9: 7,713,865 km (0.114 R)
• M10: 8,408,448 km (0.102 R)
• M11: 11,855,482 km (0.1 R)
• M12: 13,618,642 km (0.108 R)
• M13: 14,633,813 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 13.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.56 AU - 3.76 AU

Year: 3877 Days

Day: 11.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,867,510 km

• M1: 170,392 km (0.051 R)
• M2: 690,095 km (0.069 R)
• M3: 1,559,707 km (0.119 R)
• M4: 2,125,038 km (0.035 R)
• M5: 2,571,139 km (0.073 R)
• M6: 3,593,790 km (0.081 R)
• M7: 4,072,802 km (0.077 R)
• M8: 4,949,745 km (0.08 R)
• M9: 5,890,267 km (0.065 R)
• M10: 6,719,338 km (0.088 R)
• M11: 8,309,863 km (0.079 R)
• M12: 8,763,294 km (0.12 R)
• M13: 10,968,067 km (0.092 R)
• M14: 14,043,799 km (0.067 R)
• M15: 15,241,629 km (0.063 R)
• M16: 15,980,793 km (0.105 R)
• M17: 16,803,581 km (0.069 R)
• M18: 17,347,219 km (0.112 R)
• M19: 19,441,889 km (0.108 R)
• M20: 20,176,115 km (0.098 R)
• M21: 20,653,033 km (0.057 R)
• M22: 22,636,103 km (0.088 R)
• M23: 23,749,260 km (0.106 R)
• M24: 25,054,651 km (0.075 R)
• M25: 26,004,598 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.8

Radius: 3.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.37 AU - 6.91 AU

Year: 10502 Days

Day: 22.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,867,510 km

• M1: 49,068 km (0.092 R)
• M2: 563,685 km (0.046 R)
• M3: 889,958 km (0.072 R)
• M4: 1,075,908 km (0.057 R)
• M5: 2,574,579 km (0.093 R)
• M6: 2,953,810 km (0.07 R)
• M7: 5,312,370 km (0.116 R)
• M8: 7,323,265 km (0.062 R)
• M9: 23,140,247 km (0.059 R)
• M10: 24,994,962 km (0.041 R)
• M11: 27,618,908 km (0.057 R)
• M12: 29,348,858 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 5.8

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.04 AU - 9.2 AU

Year: 14519 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,867,510 km

• M1: 72,106 km (0.075 R)
• M2: 457,021 km (0.11 R)
• M3: 947,852 km (0.091 R)
• M4: 1,931,009 km (0.112 R)
• M5: 2,272,691 km (0.119 R)
• M6: 2,609,735 km (0.081 R)
• M7: 3,626,103 km (0.089 R)
• M8: 4,331,158 km (0.106 R)
• M9: 6,008,898 km (0.102 R)
• M10: 6,205,469 km (0.102 R)
• M11: 7,035,139 km (0.116 R)
• M12: 7,431,723 km (0.077 R)
• M13: 8,463,799 km (0.118 R)
• M14: 10,579,262 km (0.113 R)
• M15: 10,924,385 km (0.098 R)
• M16: 11,336,527 km (0.09 R)
• M17: 13,419,976 km (0.109 R)
• M18: 13,960,922 km (0.081 R)
• M19: 15,158,902 km (0.069 R)
• M20: 16,500,346 km (0.05 R)
• M21: 17,517,013 km (0.072 R)
• M22: 18,741,172 km (0.051 R)
• M23: 19,161,692 km (0.117 R)
• M24: 19,588,495 km (0.111 R)
• M25: 22,850,028 km (0.107 R)
• M26: 24,210,471 km (0.101 R)
• M27: 25,830,466 km (0.104 R)
• M28: 29,510,125 km (0.099 R)
• M29: 36,048,300 km (0.107 R)
• M30: 38,425,410 km (0.028 R)
• M31: 39,514,782 km (0.098 R)
• M32: 41,897,427 km (0.105 R)
• M33: 45,120,962 km (0.101 R)
• M34: 53,725,981 km (0.041 R)
• M35: 57,347,745 km (0.098 R)
• M36: 58,769,224 km (0.025 R)
• M37: 59,308,225 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 10,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit