🌌 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: 383.9

Radius: 11.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.64 AU - 0.84 AU

Year: 424 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,249,684 km

• M1: 144,212 km (0.114 R)
• M2: 598,242 km (0.092 R)
• M3: 1,021,903 km (0.069 R)
• M4: 1,425,369 km (0.107 R)
• M5: 1,856,510 km (0.111 R)
• M6: 2,249,054 km (0.07 R)
• M7: 3,009,012 km (0.058 R)
• M8: 3,399,612 km (0.058 R)
• M9: 3,788,566 km (0.046 R)
• M10: 4,168,993 km (0.06 R)
• M11: 4,588,765 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 12.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.58 AU - 1.86 AU

Year: 1504 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,249,684 km

• M1: 153,039 km (0.086 R)
• M2: 658,530 km (0.11 R)
• M3: 1,838,408 km (0.114 R)
• M4: 2,331,932 km (0.116 R)
• M5: 3,295,192 km (0.106 R)
• M6: 4,626,913 km (0.115 R)
• M7: 6,339,958 km (0.117 R)
• M8: 7,148,235 km (0.085 R)
• M9: 8,533,960 km (0.12 R)
• M10: 9,585,783 km (0.115 R)
• M11: 10,403,634 km (0.1 R)
• M12: 11,792,950 km (0.059 R)
• M13: 12,217,359 km (0.043 R)
• M14: 12,692,033 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 12.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.63 AU - 2.29 AU

Year: 1830 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,249,684 km

• M1: 159,172 km (0.104 R)
• M2: 574,905 km (0.102 R)
• M3: 1,010,833 km (0.08 R)
• M4: 1,678,039 km (0.046 R)
• M5: 2,453,405 km (0.093 R)
• M6: 3,917,669 km (0.055 R)
• M7: 5,342,738 km (0.083 R)
• M8: 6,653,964 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 14.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.83 AU - 3.03 AU

Year: 2526 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,249,684 km

• M1: 179,069 km (0.104 R)
• M2: 874,400 km (0.06 R)
• M3: 1,795,324 km (0.097 R)
• M4: 2,714,453 km (0.062 R)
• M5: 3,381,510 km (0.039 R)
• M6: 4,214,770 km (0.079 R)
• M7: 4,851,010 km (0.062 R)
• M8: 5,814,720 km (0.098 R)
• M9: 6,793,688 km (0.073 R)
• M10: 10,837,468 km (0.112 R)
• M11: 12,813,955 km (0.113 R)
• M12: 15,114,022 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.6 AU - 3.6 AU

Year: 3640 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,249,684 km

• M1: 111,899 km (0.105 R)
• M2: 668,702 km (0.094 R)
• M3: 1,138,889 km (0.096 R)
• M4: 1,570,179 km (0.115 R)
• M5: 1,928,466 km (0.109 R)
• M6: 2,516,236 km (0.04 R)
• M7: 2,811,842 km (0.086 R)
• M8: 3,381,361 km (0.077 R)
• M9: 4,257,855 km (0.096 R)
• M10: 4,890,055 km (0.068 R)
• M11: 5,328,676 km (0.107 R)
• M12: 5,873,212 km (0.062 R)
• M13: 6,862,952 km (0.073 R)
• M14: 7,226,624 km (0.092 R)
• M15: 7,927,042 km (0.1 R)
• M16: 9,133,548 km (0.093 R)
• M17: 9,686,462 km (0.068 R)
• M18: 10,144,830 km (0.098 R)
• M19: 10,818,768 km (0.071 R)
• M20: 12,837,592 km (0.095 R)
• M21: 14,007,896 km (0.118 R)
• M22: 15,146,036 km (0.079 R)
• M23: 15,452,862 km (0.12 R)
• M24: 15,973,462 km (0.04 R)
• M25: 17,661,824 km (0.028 R)
• M26: 19,226,618 km (0.042 R)
• M27: 19,828,899 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.1

Radius: 8.8

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.93 AU - 3.85 AU

Year: 4162 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,249,684 km

• M1: 109,506 km (0.094 R)
• M2: 520,301 km (0.112 R)
• M3: 961,017 km (0.118 R)
• M4: 1,394,701 km (0.091 R)
• M5: 1,805,497 km (0.086 R)
• M6: 2,817,825 km (0.111 R)
• M7: 3,156,066 km (0.091 R)
• M8: 3,960,005 km (0.105 R)
• M9: 6,338,611 km (0.096 R)
• M10: 8,196,617 km (0.088 R)
• M11: 11,719,198 km (0.055 R)
• M12: 12,748,880 km (0.118 R)
• M13: 13,259,757 km (0.086 R)
• M14: 16,317,837 km (0.095 R)
• M15: 16,798,644 km (0.072 R)
• M16: 19,014,039 km (0.111 R)
• M17: 21,560,494 km (0.118 R)
• M18: 25,753,273 km (0.091 R)
• M19: 27,827,149 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 13.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.17 AU - 4.21 AU

Year: 4727 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,249,684 km

• M1: 174,132 km (0.099 R)
• M2: 647,908 km (0.025 R)
• M3: 1,142,329 km (0.105 R)
• M4: 1,985,164 km (0.047 R)
• M5: 2,800,023 km (0.055 R)
• M6: 3,473,214 km (0.086 R)
• M7: 4,826,925 km (0.083 R)
• M8: 5,374,902 km (0.117 R)
• M9: 6,132,316 km (0.112 R)
• M10: 7,369,042 km (0.112 R)
• M11: 8,410,093 km (0.112 R)
• M12: 9,778,166 km (0.074 R)
• M13: 11,376,170 km (0.111 R)
• M14: 12,305,622 km (0.106 R)
• M15: 15,880,263 km (0.109 R)
• M16: 16,815,848 km (0.113 R)
• M17: 17,268,681 km (0.113 R)
• M18: 17,904,621 km (0.116 R)
• M19: 20,929,490 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 12

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.6 AU - 5.4 AU

Year: 7456 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,249,684 km

• M1: 149,897 km (0.098 R)
• M2: 1,302,399 km (0.093 R)
• M3: 2,153,761 km (0.105 R)
• M4: 3,166,389 km (0.116 R)
• M5: 3,725,735 km (0.088 R)
• M6: 4,229,281 km (0.094 R)
• M7: 4,962,610 km (0.079 R)
• M8: 5,430,852 km (0.104 R)
• M9: 7,015,392 km (0.071 R)
• M10: 7,464,635 km (0.095 R)
• M11: 7,859,573 km (0.102 R)
• M12: 8,574,950 km (0.071 R)
• M13: 11,829,900 km (0.09 R)
• M14: 13,493,728 km (0.117 R)
• M15: 16,066,512 km (0.076 R)
• M16: 16,727,136 km (0.114 R)
• M17: 17,281,097 km (0.109 R)
• M18: 20,584,218 km (0.067 R)
• M19: 24,130,885 km (0.09 R)
• M20: 25,157,425 km (0.086 R)
• M21: 25,803,389 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.7

Radius: 6.4

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.11 AU - 6.89 AU

Year: 9801 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,249,684 km

• M1: 79,586 km (0.109 R)
• M2: 314,305 km (0.103 R)
• M3: 542,891 km (0.091 R)
• M4: 1,043,146 km (0.053 R)
• M5: 1,303,745 km (0.112 R)
• M6: 1,973,944 km (0.075 R)
• M7: 2,320,712 km (0.053 R)
• M8: 2,727,917 km (0.106 R)
• M9: 3,227,275 km (0.08 R)
• M10: 3,609,497 km (0.065 R)
• M11: 3,811,604 km (0.07 R)
• M12: 4,492,723 km (0.108 R)
• M13: 4,786,833 km (0.065 R)
• M14: 5,348,573 km (0.098 R)
• M15: 5,679,184 km (0.115 R)
• M16: 6,129,324 km (0.076 R)
• M17: 6,381,396 km (0.081 R)
• M18: 6,602,801 km (0.06 R)
• M19: 6,983,528 km (0.082 R)
• M20: 7,338,524 km (0.032 R)
• M21: 8,789,174 km (0.069 R)
• M22: 9,063,686 km (0.11 R)
• M23: 15,630,883 km (0.103 R)
• M24: 19,206,871 km (0.087 R)
• M25: 29,018,397 km (0.097 R)
• M26: 38,463,109 km (0.086 R)
• M27: 45,418,512 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.8

Radius: 3.7

Gravity: 62.59 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.97 AU - 7.57 AU

Year: 10470 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,249,684 km

• M1: 46,076 km (0.07 R)
• M2: 198,367 km (0.063 R)
• M3: 372,050 km (0.082 R)
• M4: 685,009 km (0.077 R)
• M5: 1,164,619 km (0.08 R)
• M6: 1,290,581 km (0.09 R)
• M7: 1,482,515 km (0.085 R)
• M8: 1,773,034 km (0.112 R)
• M9: 2,386,236 km (0.078 R)
• M10: 2,697,399 km (0.114 R)
• M11: 3,058,528 km (0.066 R)
• M12: 4,276,106 km (0.061 R)
• M13: 4,671,493 km (0.09 R)
• M14: 5,499,517 km (0.119 R)
• M15: 6,897,958 km (0.083 R)
• M16: 7,398,213 km (0.079 R)
• M17: 8,470,231 km (0.118 R)
• M18: 10,003,011 km (0.08 R)
• M19: 10,426,672 km (0.118 R)
• M20: 12,787,327 km (0.086 R)
• M21: 13,733,234 km (0.098 R)
• M22: 14,724,619 km (0.07 R)
• M23: 15,621,608 km (0.108 R)
• M24: 17,146,758 km (0.07 R)
• M25: 19,330,588 km (0.119 R)
• M26: 20,237,002 km (0.072 R)
• M27: 20,489,074 km (0.101 R)
• M28: 21,344,325 km (0.079 R)
• M29: 24,620,219 km (0.082 R)
• M30: 27,593,926 km (0.036 R)
• M31: 31,919,099 km (0.074 R)
• M32: 32,146,488 km (0.115 R)
• M33: 36,056,228 km (0.035 R)
• M34: 36,179,347 km (0.075 R)
• M35: 40,803,268 km (0.115 R)
• M36: 41,071,048 km (0.102 R)
• M37: 46,385,513 km (0.118 R)
• M38: 50,736,567 km (0.084 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: 360 - 15,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit