🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 14.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.57 AU - 0.73 AU

Year: 355 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 142.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,036,826 km

• M1: 182,809 km (0.116 R)
• M2: 782,696 km (0.074 R)
• M3: 1,399,787 km (0.11 R)
• M4: 1,998,328 km (0.03 R)
• M5: 2,564,108 km (0.09 R)
• M6: 3,587,656 km (0.069 R)
• M7: 4,238,856 km (0.039 R)
• M8: 4,868,962 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.7

Radius: 11.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 9.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,036,826 km

• M1: 154,385 km (0.073 R)
• M2: 750,533 km (0.117 R)
• M3: 1,362,537 km (0.089 R)
• M4: 2,325,798 km (0.112 R)
• M5: 3,745,931 km (0.102 R)
• M6: 4,227,337 km (0.109 R)
• M7: 4,967,846 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 9.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.83 AU - 1.11 AU

Year: 648 Days

Day: 7.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,036,826 km

• M1: 115,041 km (0.085 R)
• M2: 412,890 km (0.058 R)
• M3: 762,949 km (0.113 R)
• M4: 1,107,623 km (0.038 R)
• M5: 1,514,529 km (0.115 R)
• M6: 1,813,126 km (0.034 R)
• M7: 2,142,391 km (0.066 R)
• M8: 2,868,090 km (0.067 R)
• M9: 3,342,914 km (0.12 R)
• M10: 3,749,222 km (0.101 R)
• M11: 4,075,345 km (0.096 R)
• M12: 4,390,847 km (0.075 R)
• M13: 5,039,055 km (0.117 R)
• M14: 5,352,612 km (0.077 R)
• M15: 5,946,366 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 11.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.32 AU

Year: 3298 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,036,826 km

• M1: 144,212 km (0.059 R)
• M2: 583,432 km (0.096 R)
• M3: 1,179,579 km (0.028 R)
• M4: 1,578,407 km (0.088 R)
• M5: 2,494,096 km (0.104 R)
• M6: 2,863,752 km (0.063 R)
• M7: 4,179,465 km (0.112 R)
• M8: 4,547,476 km (0.112 R)
• M9: 5,374,004 km (0.055 R)
• M10: 5,810,381 km (0.1 R)
• M11: 6,783,665 km (0.068 R)
• M12: 8,426,250 km (0.11 R)
• M13: 11,491,061 km (0.09 R)
• M14: 12,570,410 km (0.118 R)
• M15: 13,574,960 km (0.09 R)
• M16: 14,049,035 km (0.103 R)
• M17: 14,979,983 km (0.096 R)
• M18: 16,748,080 km (0.069 R)
• M19: 18,362,839 km (0.083 R)
• M20: 20,140,062 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.1

Radius: 14.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.51 AU - 4.17 AU

Year: 4140 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,036,826 km

• M1: 185,352 km (0.035 R)
• M2: 846,275 km (0.095 R)
• M3: 1,410,558 km (0.114 R)
• M4: 2,499,930 km (0.082 R)
• M5: 4,772,621 km (0.116 R)
• M6: 5,256,271 km (0.097 R)
• M7: 6,323,352 km (0.113 R)
• M8: 7,082,861 km (0.104 R)
• M9: 7,870,942 km (0.116 R)
• M10: 10,286,200 km (0.085 R)
• M11: 11,500,187 km (0.102 R)
• M12: 13,116,442 km (0.097 R)
• M13: 14,686,921 km (0.106 R)
• M14: 17,219,762 km (0.079 R)
• M15: 17,868,568 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 11.5

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.97 AU - 5.81 AU

Year: 7334 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,036,826 km

• M1: 144,661 km (0.116 R)
• M2: 552,615 km (0.106 R)
• M3: 989,141 km (0.081 R)
• M4: 1,362,687 km (0.101 R)
• M5: 1,954,646 km (0.112 R)
• M6: 2,956,353 km (0.107 R)
• M7: 3,779,740 km (0.112 R)
• M8: 4,867,167 km (0.065 R)
• M9: 5,912,407 km (0.031 R)
• M10: 6,434,504 km (0.025 R)
• M11: 8,971,235 km (0.097 R)
• M12: 10,141,688 km (0.096 R)
• M13: 11,947,784 km (0.089 R)
• M14: 13,187,501 km (0.095 R)
• M15: 14,573,226 km (0.118 R)
• M16: 15,658,260 km (0.032 R)
• M17: 16,455,915 km (0.052 R)
• M18: 18,568,985 km (0.086 R)
• M19: 19,387,286 km (0.064 R)
• M20: 19,920,452 km (0.09 R)
• M21: 21,497,663 km (0.108 R)
• M22: 27,009,746 km (0.071 R)
• M23: 27,867,241 km (0.105 R)
• M24: 28,448,728 km (0.12 R)
• M25: 30,650,958 km (0.047 R)
• M26: 33,724,147 km (0.093 R)
• M27: 37,936,225 km (0.097 R)
• M28: 39,739,478 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.4

Radius: 7.7

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.87 AU - 8.23 AU

Year: 12696 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,036,826 km

• M1: 95,743 km (0.08 R)
• M2: 338,540 km (0.074 R)
• M3: 821,143 km (0.069 R)
• M4: 1,630,766 km (0.115 R)
• M5: 2,188,467 km (0.088 R)
• M6: 3,623,859 km (0.081 R)
• M7: 4,798,352 km (0.107 R)
• M8: 5,599,897 km (0.093 R)
• M9: 6,208,162 km (0.105 R)
• M10: 6,986,669 km (0.036 R)
• M11: 9,293,319 km (0.095 R)
• M12: 10,255,233 km (0.077 R)
• M13: 11,519,036 km (0.073 R)
• M14: 12,375,334 km (0.12 R)
• M15: 12,947,845 km (0.103 R)
• M16: 15,634,773 km (0.103 R)
• M17: 16,153,578 km (0.118 R)
• M18: 20,111,489 km (0.048 R)
• M19: 23,018,624 km (0.119 R)
• M20: 26,715,637 km (0.115 R)
• M21: 28,103,306 km (0.111 R)
• M22: 29,426,350 km (0.086 R)
• M23: 30,905,873 km (0.109 R)
• M24: 31,722,677 km (0.079 R)
• M25: 34,012,572 km (0.115 R)
• M26: 34,757,868 km (0.069 R)
• M27: 51,231,586 km (0.12 R)
• M28: 52,704,975 km (0.074 R)
• M29: 55,564,838 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.2

Radius: 5.6

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.21 AU - 9.33 AU

Year: 16131 Days

Day: 23.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,036,826 km

• M1: 70,760 km (0.118 R)
• M2: 318,195 km (0.039 R)
• M3: 737,069 km (0.067 R)
• M4: 2,332,530 km (0.085 R)
• M5: 2,653,417 km (0.115 R)
• M6: 3,823,123 km (0.077 R)
• M7: 4,027,324 km (0.096 R)
• M8: 4,300,490 km (0.068 R)
• M9: 5,337,353 km (0.049 R)
• M10: 5,856,308 km (0.101 R)
• M11: 6,738,935 km (0.11 R)
• M12: 7,124,449 km (0.084 R)
• M13: 8,224,442 km (0.107 R)
• M14: 9,069,072 km (0.118 R)
• M15: 9,328,175 km (0.116 R)
• M16: 9,699,178 km (0.083 R)
• M17: 11,887,196 km (0.114 R)
• M18: 14,453,847 km (0.05 R)
• M19: 15,605,900 km (0.107 R)
• M20: 20,650,340 km (0.117 R)
• M21: 21,008,777 km (0.119 R)
• M22: 21,738,067 km (0.076 R)
• M23: 32,933,223 km (0.118 R)
• M24: 34,541,101 km (0.069 R)
• M25: 35,046,144 km (0.057 R)
• M26: 37,645,556 km (0.114 R)
• M27: 39,402,434 km (0.058 R)
• M28: 42,354,748 km (0.108 R)
• M29: 45,300,330 km (0.1 R)
• M30: 47,753,136 km (0.026 R)
• M31: 48,537,328 km (0.075 R)
• M32: 52,090,278 km (0.108 R)
• M33: 54,951,636 km (0.083 R)
• M34: 58,807,821 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.9

Radius: 4.5

Gravity: 25.67 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.85 AU - 9.97 AU

Year: 19578 Days

Day: 23.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,036,826 km

• M1: 57,595 km (0.072 R)
• M2: 488,886 km (0.027 R)
• M3: 845,228 km (0.088 R)
• M4: 1,493,436 km (0.119 R)
• M5: 1,995,785 km (0.105 R)
• M6: 3,012,602 km (0.107 R)
• M7: 3,575,688 km (0.056 R)
• M8: 6,754,344 km (0.095 R)
• M9: 8,449,437 km (0.091 R)
• M10: 9,449,350 km (0.086 R)
• M11: 10,177,293 km (0.112 R)
• M12: 10,350,527 km (0.061 R)
• M13: 11,184,834 km (0.032 R)
• M14: 12,784,484 km (0.09 R)
• M15: 14,026,596 km (0.112 R)
• M16: 19,445,479 km (0.057 R)
• M17: 34,022,146 km (0.071 R)
• M18: 34,669,606 km (0.086 R)
• M19: 50,231,375 km (0.098 R)
• M20: 57,025,212 km (0.077 R)
• M21: 64,406,222 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 6.8

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.12 AU - 12.26 AU

Year: 22062 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,036,826 km

• M1: 84,672 km (0.044 R)
• M2: 306,825 km (0.109 R)
• M3: 696,079 km (0.078 R)
• M4: 1,039,556 km (0.085 R)
• M5: 2,108,582 km (0.082 R)
• M6: 2,738,090 km (0.049 R)
• M7: 2,982,084 km (0.079 R)
• M8: 4,202,204 km (0.055 R)
• M9: 5,607,527 km (0.12 R)
• M10: 6,374,365 km (0.034 R)
• M11: 8,064,971 km (0.113 R)
• M12: 9,695,139 km (0.107 R)
• M13: 10,091,573 km (0.061 R)
• M14: 12,835,797 km (0.08 R)
• M15: 14,597,910 km (0.087 R)
• M16: 14,894,114 km (0.102 R)
• M17: 15,269,903 km (0.104 R)
• M18: 15,575,083 km (0.112 R)
• M19: 15,806,810 km (0.076 R)
• M20: 16,435,570 km (0.09 R)
• M21: 16,836,941 km (0.037 R)
• M22: 17,492,778 km (0.069 R)
• M23: 17,743,055 km (0.044 R)
• M24: 22,274,375 km (0.115 R)
• M25: 22,766,103 km (0.094 R)
• M26: 39,937,994 km (0.103 R)
• M27: 43,960,232 km (0.074 R)
• M28: 48,244,266 km (0.059 R)
• M29: 49,067,054 km (0.108 R)
• M30: 57,263,522 km (0.113 R)
• M31: 59,493,428 km (0.112 R)
• M32: 59,870,713 km (0.057 R)
• M33: 62,555,846 km (0.114 R)
• M34: 68,785,251 km (0.072 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 18,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit