🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.2

Radius: 13.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.51 AU - 0.59 AU

Year: 277 Days

Day: 13 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,879,804 km

• M1: 166,652 km (0.075 R)
• M2: 634,744 km (0.12 R)
• M3: 1,101,190 km (0.107 R)
• M4: 1,812,229 km (0.081 R)
• M5: 2,396,259 km (0.103 R)
• M6: 2,834,281 km (0.102 R)
• M7: 3,251,061 km (0.027 R)
• M8: 3,767,772 km (0.097 R)
• M9: 4,701,412 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 9.5

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.19 AU - 1.55 AU

Year: 1088 Days

Day: 5.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,879,804 km

• M1: 118,182 km (0.108 R)
• M2: 451,486 km (0.092 R)
• M3: 818,450 km (0.087 R)
• M4: 1,228,947 km (0.048 R)
• M5: 1,959,882 km (0.115 R)
• M6: 3,364,905 km (0.06 R)
• M7: 3,891,340 km (0.095 R)
• M8: 5,050,275 km (0.051 R)
• M9: 5,490,391 km (0.063 R)
• M10: 7,386,395 km (0.043 R)
• M11: 8,358,332 km (0.049 R)
• M12: 10,268,996 km (0.094 R)

Asteroid Belt

Center: 1.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 9.1

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.85 AU - 2.05 AU

Year: 1847 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,879,804 km

• M1: 118,930 km (0.036 R)
• M2: 600,635 km (0.097 R)
• M3: 908,358 km (0.112 R)
• M4: 1,539,661 km (0.106 R)
• M5: 2,044,105 km (0.069 R)
• M6: 2,559,171 km (0.098 R)
• M7: 3,174,317 km (0.081 R)
• M8: 3,688,934 km (0.052 R)
• M9: 4,676,579 km (0.11 R)
• M10: 5,210,045 km (0.095 R)
• M11: 5,503,107 km (0.081 R)
• M12: 5,927,217 km (0.096 R)
• M13: 6,867,739 km (0.083 R)
• M14: 8,693,132 km (0.117 R)
• M15: 11,299,726 km (0.105 R)
• M16: 15,011,548 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 10.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.53 AU - 3.41 AU

Year: 3472 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,879,804 km

• M1: 128,056 km (0.081 R)
• M2: 490,681 km (0.106 R)
• M3: 1,448,855 km (0.101 R)
• M4: 2,417,352 km (0.116 R)
• M5: 4,541,193 km (0.075 R)
• M6: 5,493,383 km (0.04 R)
• M7: 6,852,779 km (0.116 R)
• M8: 9,557,958 km (0.093 R)
• M9: 10,599,159 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 8.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.41 AU - 3.69 AU

Year: 3613 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,879,804 km

• M1: 108,159 km (0.11 R)
• M2: 502,050 km (0.078 R)
• M3: 926,011 km (0.078 R)
• M4: 1,550,881 km (0.066 R)
• M5: 2,012,690 km (0.034 R)
• M6: 2,754,695 km (0.078 R)
• M7: 3,841,075 km (0.071 R)
• M8: 4,298,096 km (0.083 R)
• M9: 4,832,011 km (0.12 R)
• M10: 5,588,976 km (0.082 R)
• M11: 6,031,936 km (0.093 R)
• M12: 7,392,229 km (0.101 R)
• M13: 7,670,182 km (0.101 R)
• M14: 8,129,597 km (0.113 R)
• M15: 9,294,217 km (0.078 R)
• M16: 9,717,130 km (0.098 R)
• M17: 10,051,032 km (0.054 R)
• M18: 11,650,084 km (0.108 R)
• M19: 12,925,705 km (0.116 R)
• M20: 13,411,748 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 11.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.2 AU - 4.66 AU

Year: 5284 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,879,804 km

• M1: 150,047 km (0.092 R)
• M2: 787,633 km (0.102 R)
• M3: 1,171,052 km (0.082 R)
• M4: 1,766,601 km (0.106 R)
• M5: 2,328,790 km (0.039 R)
• M6: 4,203,401 km (0.096 R)
• M7: 4,594,151 km (0.118 R)
• M8: 5,831,175 km (0.037 R)
• M9: 6,740,730 km (0.103 R)
• M10: 8,841,234 km (0.041 R)
• M11: 10,870,679 km (0.048 R)
• M12: 12,809,168 km (0.083 R)
• M13: 13,785,145 km (0.084 R)
• M14: 14,240,221 km (0.076 R)
• M15: 14,757,680 km (0.059 R)
• M16: 15,395,117 km (0.083 R)
• M17: 18,923,383 km (0.104 R)
• M18: 19,549,151 km (0.117 R)
• M19: 21,374,993 km (0.108 R)
• M20: 22,746,955 km (0.119 R)
• M21: 24,396,421 km (0.042 R)
• M22: 24,988,529 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 9.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.46 AU - 6.22 AU

Year: 8370 Days

Day: 12.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,879,804 km

• M1: 118,182 km (0.112 R)
• M2: 475,422 km (0.088 R)
• M3: 867,967 km (0.118 R)
• M4: 3,232,810 km (0.1 R)
• M5: 4,829,169 km (0.083 R)
• M6: 5,914,801 km (0.099 R)
• M7: 11,080,565 km (0.102 R)
• M8: 12,842,229 km (0.077 R)
• M9: 17,803,942 km (0.109 R)
• M10: 21,688,251 km (0.098 R)
• M11: 29,390,895 km (0.112 R)
• M12: 30,578,702 km (0.097 R)
• M13: 35,540,714 km (0.09 R)
• M14: 36,435,609 km (0.087 R)
• M15: 38,738,369 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 6.4

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.56 AU - 7.66 AU

Year: 11526 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,879,804 km

• M1: 83,476 km (0.092 R)
• M2: 308,471 km (0.116 R)
• M3: 567,126 km (0.095 R)
• M4: 1,067,381 km (0.059 R)
• M5: 1,371,663 km (0.073 R)
• M6: 1,581,100 km (0.11 R)
• M7: 1,828,385 km (0.068 R)
• M8: 2,460,586 km (0.052 R)
• M9: 3,897,025 km (0.076 R)
• M10: 4,351,204 km (0.076 R)
• M11: 4,683,461 km (0.1 R)
• M12: 5,467,503 km (0.108 R)
• M13: 6,373,767 km (0.108 R)
• M14: 7,004,023 km (0.108 R)
• M15: 7,588,950 km (0.118 R)
• M16: 8,713,478 km (0.059 R)
• M17: 10,629,677 km (0.026 R)
• M18: 14,069,680 km (0.096 R)
• M19: 15,617,719 km (0.092 R)
• M20: 17,727,198 km (0.101 R)
• M21: 18,574,820 km (0.084 R)
• M22: 20,601,123 km (0.117 R)
• M23: 28,069,048 km (0.089 R)
• M24: 29,752,174 km (0.071 R)
• M25: 34,370,260 km (0.1 R)
• M26: 35,564,949 km (0.1 R)
• M27: 42,362,227 km (0.046 R)
• M28: 42,634,346 km (0.108 R)
• M29: 42,907,811 km (0.074 R)
• M30: 44,013,040 km (0.074 R)
• M31: 45,421,055 km (0.111 R)
• M32: 47,295,965 km (0.115 R)
• M33: 49,372,234 km (0.074 R)
• M34: 50,128,152 km (0.098 R)
• M35: 50,891,849 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.2

Radius: 4.4

Gravity: 27.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.9 AU - 11.64 AU

Year: 23973 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,879,804 km

• M1: 54,753 km (0.095 R)
• M2: 223,948 km (0.11 R)
• M3: 396,135 km (0.101 R)
• M4: 630,256 km (0.105 R)
• M5: 1,199,775 km (0.06 R)
• M6: 1,555,070 km (0.063 R)
• M7: 2,140,746 km (0.102 R)
• M8: 2,335,522 km (0.09 R)
• M9: 2,518,480 km (0.111 R)
• M10: 2,810,944 km (0.102 R)
• M11: 3,376,723 km (0.089 R)
• M12: 3,887,749 km (0.03 R)
• M13: 4,312,009 km (0.078 R)
• M14: 4,623,472 km (0.064 R)
• M15: 4,949,745 km (0.104 R)
• M16: 5,408,262 km (0.054 R)
• M17: 5,567,285 km (0.104 R)
• M18: 5,894,754 km (0.119 R)
• M19: 8,449,288 km (0.114 R)
• M20: 12,814,853 km (0.043 R)
• M21: 15,118,361 km (0.06 R)
• M22: 17,080,935 km (0.067 R)
• M23: 18,034,622 km (0.09 R)
• M24: 18,840,954 km (0.036 R)
• M25: 21,403,715 km (0.082 R)
• M26: 29,598,836 km (0.089 R)
• M27: 31,738,235 km (0.063 R)
• M28: 37,749,826 km (0.092 R)
• M29: 38,331,163 km (0.116 R)
• M30: 44,963,136 km (0.097 R)
• M31: 45,125,899 km (0.076 R)
• M32: 45,780,688 km (0.066 R)
• M33: 52,140,543 km (0.113 R)
• M34: 65,525,513 km (0.059 R)
• M35: 66,364,907 km (0.118 R)
• M36: 72,442,170 km (0.119 R)
• M37: 77,003,110 km (0.168 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit