🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 9.4

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.48 AU - 0.58 AU

Year: 262 Days

Day: 11 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,470,602 km

• M1: 117,135 km (0.114 R)
• M2: 441,763 km (0.112 R)
• M3: 741,407 km (0.074 R)
• M4: 1,124,228 km (0.042 R)
• M5: 1,530,087 km (0.101 R)
• M6: 1,870,422 km (0.075 R)
• M7: 2,286,005 km (0.101 R)
• M8: 2,706,525 km (0.067 R)
• M9: 3,025,019 km (0.089 R)
• M10: 3,401,108 km (0.04 R)
• M11: 4,011,916 km (0.115 R)
• M12: 4,311,710 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.7

Radius: 11.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.77 AU - 0.97 AU

Year: 550 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,470,602 km

• M1: 143,165 km (0.106 R)
• M2: 503,696 km (0.053 R)
• M3: 910,901 km (0.09 R)
• M4: 1,353,412 km (0.114 R)
• M5: 1,933,403 km (0.063 R)
• M6: 2,444,728 km (0.103 R)
• M7: 2,934,512 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 8.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.16 AU - 2.28 AU

Year: 2243 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,470,602 km

• M1: 108,159 km (0.044 R)
• M2: 394,340 km (0.109 R)
• M3: 1,517,222 km (0.087 R)
• M4: 1,844,392 km (0.055 R)
• M5: 2,424,383 km (0.111 R)
• M6: 2,757,388 km (0.114 R)
• M7: 3,889,395 km (0.088 R)
• M8: 4,447,993 km (0.086 R)
• M9: 4,885,118 km (0.058 R)
• M10: 6,500,177 km (0.111 R)
• M11: 8,350,404 km (0.041 R)
• M12: 14,800,316 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 14.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.83 AU - 2.75 AU

Year: 2350 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,470,602 km

• M1: 181,911 km (0.102 R)
• M2: 713,731 km (0.097 R)
• M3: 1,220,120 km (0.111 R)
• M4: 1,702,424 km (0.093 R)
• M5: 3,776,598 km (0.039 R)
• M6: 4,687,649 km (0.114 R)
• M7: 5,328,676 km (0.085 R)
• M8: 6,249,152 km (0.12 R)
• M9: 7,496,499 km (0.06 R)
• M10: 7,986,731 km (0.12 R)
• M11: 8,498,206 km (0.084 R)
• M12: 9,487,796 km (0.111 R)
• M13: 10,235,636 km (0.048 R)
• M14: 11,811,051 km (0.098 R)
• M15: 14,892,767 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 13.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.2 AU - 3.68 AU

Year: 4327 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,470,602 km

• M1: 165,455 km (0.086 R)
• M2: 721,062 km (0.082 R)
• M3: 1,194,689 km (0.092 R)
• M4: 2,316,972 km (0.067 R)
• M5: 3,336,481 km (0.103 R)
• M6: 4,738,363 km (0.032 R)
• M7: 6,895,714 km (0.092 R)
• M8: 7,586,557 km (0.095 R)
• M9: 10,068,984 km (0.079 R)
• M10: 10,822,508 km (0.076 R)
• M11: 12,047,416 km (0.071 R)
• M12: 15,570,296 km (0.082 R)
• M13: 17,253,870 km (0.108 R)
• M14: 17,756,370 km (0.079 R)
• M15: 19,592,833 km (0.095 R)
• M16: 20,071,098 km (0.03 R)
• M17: 22,357,551 km (0.095 R)
• M18: 23,030,742 km (0.081 R)
• M19: 23,717,396 km (0.108 R)
• M20: 24,892,188 km (0.114 R)
• M21: 28,737,153 km (0.092 R)
• M22: 29,533,163 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 9.1

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.94 AU - 5.14 AU

Year: 7674 Days

Day: 11.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,470,602 km

• M1: 113,545 km (0.077 R)
• M2: 403,465 km (0.078 R)
• M3: 738,864 km (0.039 R)
• M4: 1,254,378 km (0.058 R)
• M5: 2,157,500 km (0.088 R)
• M6: 2,454,153 km (0.101 R)
• M7: 2,758,286 km (0.08 R)
• M8: 3,066,308 km (0.102 R)
• M9: 3,489,819 km (0.118 R)
• M10: 4,158,372 km (0.118 R)
• M11: 4,649,801 km (0.06 R)
• M12: 5,781,958 km (0.092 R)
• M13: 6,185,872 km (0.081 R)
• M14: 7,088,097 km (0.034 R)
• M15: 7,911,783 km (0.086 R)
• M16: 8,283,683 km (0.106 R)
• M17: 8,885,515 km (0.107 R)
• M18: 11,378,713 km (0.112 R)
• M19: 11,853,238 km (0.089 R)
• M20: 12,340,777 km (0.103 R)
• M21: 13,298,353 km (0.077 R)
• M22: 15,810,401 km (0.049 R)
• M23: 16,939,116 km (0.05 R)
• M24: 17,419,176 km (0.093 R)
• M25: 18,550,585 km (0.1 R)
• M26: 22,156,941 km (0.054 R)
• M27: 22,483,812 km (0.066 R)
• M28: 22,897,151 km (0.111 R)
• M29: 24,863,615 km (0.074 R)
• M30: 33,751,972 km (0.087 R)
• M31: 36,747,819 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516

Radius: 6.4

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.82 AU - 8 AU

Year: 11007 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,470,602 km

• M1: 79,586 km (0.117 R)
• M2: 368,759 km (0.1 R)
• M3: 796,160 km (0.113 R)
• M4: 1,188,405 km (0.065 R)
• M5: 2,527,306 km (0.052 R)
• M6: 2,940,197 km (0.101 R)
• M7: 3,255,250 km (0.106 R)
• M8: 3,617,576 km (0.056 R)
• M9: 4,480,606 km (0.094 R)
• M10: 5,440,575 km (0.043 R)
• M11: 10,358,007 km (0.117 R)
• M12: 11,249,012 km (0.096 R)
• M13: 12,304,275 km (0.118 R)
• M14: 16,000,091 km (0.12 R)
• M15: 16,692,130 km (0.098 R)
• M16: 17,476,322 km (0.106 R)
• M17: 18,812,082 km (0.05 R)
• M18: 19,117,860 km (0.086 R)
• M19: 19,349,437 km (0.082 R)
• M20: 22,361,142 km (0.07 R)
• M21: 23,401,445 km (0.084 R)
• M22: 23,666,383 km (0.085 R)
• M23: 26,427,810 km (0.086 R)
• M24: 29,912,393 km (0.03 R)
• M25: 32,580,920 km (0.117 R)
• M26: 38,508,437 km (0.058 R)
• M27: 42,572,712 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.4

Radius: 3

Gravity: 48.82 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.59 AU - 10.91 AU

Year: 22258 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,470,602 km

• M1: 39,045 km (0.111 R)
• M2: 210,634 km (0.108 R)
• M3: 1,685,070 km (0.097 R)
• M4: 2,757,089 km (0.093 R)
• M5: 3,781,385 km (0.06 R)
• M6: 5,482,463 km (0.098 R)
• M7: 5,598,252 km (0.097 R)
• M8: 10,055,520 km (0.118 R)
• M9: 11,376,320 km (0.078 R)
• M10: 11,501,832 km (0.115 R)
• M11: 11,691,822 km (0.112 R)
• M12: 16,261,438 km (0.093 R)
• M13: 21,795,213 km (0.091 R)
• M14: 22,974,643 km (0.078 R)
• M15: 30,712,443 km (0.1 R)
• M16: 34,631,907 km (0.097 R)
• M17: 38,730,141 km (0.101 R)
• M18: 50,532,216 km (0.1 R)
• M19: 52,243,765 km (0.086 R)
• M20: 53,640,411 km (0.102 R)
• M21: 61,963,588 km (0.056 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: 209 - 18,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit