🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 12.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,385,276 km

• M1: 157,227 km (0.096 R)
• M2: 743,651 km (0.117 R)
• M3: 1,327,232 km (0.064 R)
• M4: 1,859,053 km (0.114 R)
• M5: 2,464,176 km (0.109 R)
• M6: 3,018,436 km (0.113 R)
• M7: 3,833,894 km (0.097 R)
• M8: 4,280,145 km (0.095 R)
• M9: 4,776,211 km (0.067 R)
• M10: 5,326,881 km (0.042 R)
• M11: 5,797,665 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.91 AU - 1.01 AU

Year: 649 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,385,276 km

• M1: 111,899 km (0.091 R)
• M2: 474,076 km (0.12 R)
• M3: 1,528,890 km (0.085 R)
• M4: 1,836,763 km (0.097 R)
• M5: 2,305,752 km (0.091 R)
• M6: 3,483,985 km (0.047 R)
• M7: 4,783,990 km (0.079 R)
• M8: 5,110,263 km (0.049 R)
• M9: 6,381,396 km (0.057 R)
• M10: 7,036,037 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 10.4

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.21 AU - 1.41 AU

Year: 1035 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,385,276 km

• M1: 129,402 km (0.096 R)
• M2: 565,929 km (0.107 R)
• M3: 974,331 km (0.111 R)
• M4: 1,367,325 km (0.099 R)
• M5: 1,955,543 km (0.058 R)
• M6: 2,424,682 km (0.114 R)
• M7: 2,995,099 km (0.104 R)
• M8: 3,498,795 km (0.065 R)
• M9: 3,925,448 km (0.087 R)
• M10: 5,753,085 km (0.105 R)
• M11: 6,168,668 km (0.111 R)
• M12: 6,604,297 km (0.028 R)
• M13: 8,361,623 km (0.095 R)
• M14: 9,816,463 km (0.11 R)
• M15: 11,433,167 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.7

Radius: 12

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.8 AU - 3.38 AU

Year: 3749 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,385,276 km

• M1: 151,692 km (0.115 R)
• M2: 524,789 km (0.072 R)
• M3: 920,027 km (0.071 R)
• M4: 1,579,604 km (0.07 R)
• M5: 2,011,044 km (0.094 R)
• M6: 2,386,086 km (0.066 R)
• M7: 2,925,835 km (0.072 R)
• M8: 3,373,881 km (0.117 R)
• M9: 4,252,768 km (0.092 R)
• M10: 4,663,564 km (0.071 R)
• M11: 5,303,993 km (0.034 R)
• M12: 6,976,048 km (0.115 R)
• M13: 8,329,011 km (0.107 R)
• M14: 10,990,058 km (0.098 R)
• M15: 11,856,828 km (0.083 R)
• M16: 13,580,196 km (0.096 R)
• M17: 14,173,351 km (0.047 R)
• M18: 14,991,053 km (0.111 R)
• M19: 15,464,680 km (0.082 R)
• M20: 22,090,669 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 11.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.84 AU - 3.44 AU

Year: 3841 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,385,276 km

• M1: 154,834 km (0.113 R)
• M2: 633,098 km (0.061 R)
• M3: 1,720,525 km (0.067 R)
• M4: 2,696,502 km (0.09 R)
• M5: 3,284,122 km (0.12 R)
• M6: 3,779,740 km (0.11 R)
• M7: 9,828,730 km (0.117 R)
• M8: 10,650,321 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.7

Radius: 9.6

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.67 AU - 4.45 AU

Year: 4636 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,385,276 km

• M1: 119,379 km (0.094 R)
• M2: 453,581 km (0.099 R)
• M3: 1,226,553 km (0.09 R)
• M4: 1,847,683 km (0.083 R)
• M5: 2,199,089 km (0.118 R)
• M6: 2,630,529 km (0.098 R)
• M7: 3,000,185 km (0.036 R)
• M8: 3,489,520 km (0.053 R)
• M9: 5,030,827 km (0.114 R)
• M10: 5,573,867 km (0.095 R)
• M11: 6,315,424 km (0.11 R)
• M12: 7,297,384 km (0.085 R)
• M13: 8,069,758 km (0.108 R)
• M14: 8,936,229 km (0.111 R)
• M15: 10,216,338 km (0.069 R)
• M16: 10,993,948 km (0.099 R)
• M17: 11,663,398 km (0.099 R)
• M18: 12,718,362 km (0.101 R)
• M19: 13,242,553 km (0.088 R)
• M20: 14,278,070 km (0.03 R)
• M21: 15,961,494 km (0.069 R)
• M22: 19,857,472 km (0.105 R)
• M23: 22,552,178 km (0.082 R)
• M24: 23,789,652 km (0.081 R)
• M25: 24,990,175 km (0.078 R)
• M26: 27,166,225 km (0.1 R)
• M27: 28,744,782 km (0.097 R)
• M28: 29,103,817 km (0.05 R)
• M29: 29,465,694 km (0.069 R)
• M30: 31,700,686 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 11

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.3 AU - 6.72 AU

Year: 8928 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,385,276 km

• M1: 136,882 km (0.043 R)
• M2: 563,535 km (0.027 R)
• M3: 1,393,654 km (0.052 R)
• M4: 3,293,397 km (0.09 R)
• M5: 3,844,067 km (0.12 R)
• M6: 5,017,961 km (0.096 R)
• M7: 7,350,342 km (0.112 R)
• M8: 7,718,353 km (0.091 R)
• M9: 8,814,755 km (0.058 R)
• M10: 10,101,596 km (0.025 R)
• M11: 11,218,195 km (0.029 R)
• M12: 12,832,505 km (0.036 R)
• M13: 14,310,832 km (0.115 R)
• M14: 15,357,418 km (0.107 R)
• M15: 16,579,483 km (0.075 R)
• M16: 18,464,865 km (0.098 R)
• M17: 19,354,973 km (0.056 R)
• M18: 20,999,352 km (0.115 R)
• M19: 24,077,777 km (0.079 R)
• M20: 30,261,704 km (0.118 R)
• M21: 31,594,771 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.5

Radius: 5.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.42 AU - 7.5 AU

Year: 11333 Days

Day: 17.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,385,276 km

• M1: 92,003 km (0.11 R)
• M2: 377,435 km (0.088 R)
• M3: 558,748 km (0.111 R)
• M4: 831,615 km (0.062 R)
• M5: 2,427,674 km (0.115 R)
• M6: 2,638,308 km (0.073 R)
• M7: 2,977,446 km (0.064 R)
• M8: 3,928,889 km (0.072 R)
• M9: 4,684,059 km (0.043 R)
• M10: 5,867,079 km (0.1 R)
• M11: 6,119,151 km (0.089 R)
• M12: 8,053,003 km (0.065 R)
• M13: 12,445,346 km (0.117 R)
• M14: 14,337,011 km (0.083 R)
• M15: 17,359,636 km (0.031 R)
• M16: 17,618,440 km (0.047 R)
• M17: 18,410,112 km (0.041 R)
• M18: 18,882,692 km (0.099 R)
• M19: 19,087,791 km (0.057 R)
• M20: 19,993,307 km (0.116 R)
• M21: 21,073,403 km (0.103 R)
• M22: 22,573,272 km (0.067 R)
• M23: 24,954,421 km (0.026 R)
• M24: 28,922,504 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 6.6

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.12 AU - 10.48 AU

Year: 19577 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,385,276 km

• M1: 131,347 km (0.071 R)
• M2: 368,460 km (0.108 R)
• M3: 1,282,951 km (0.057 R)
• M4: 1,769,892 km (0.097 R)
• M5: 3,538,588 km (0.079 R)
• M6: 6,496,736 km (0.069 R)
• M7: 7,388,489 km (0.054 R)
• M8: 7,863,911 km (0.054 R)
• M9: 9,249,188 km (0.111 R)
• M10: 10,730,057 km (0.084 R)
• M11: 11,464,134 km (0.111 R)
• M12: 15,110,881 km (0.106 R)
• M13: 16,828,414 km (0.06 R)
• M14: 19,021,070 km (0.114 R)
• M15: 22,263,903 km (0.105 R)
• M16: 29,112,942 km (0.112 R)
• M17: 31,265,506 km (0.066 R)
• M18: 32,006,016 km (0.093 R)
• M19: 38,215,823 km (0.074 R)
• M20: 50,213,722 km (0.105 R)
• M21: 50,550,616 km (0.07 R)
• M22: 60,225,111 km (0.113 R)
• M23: 69,173,008 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.8

Radius: 7.4

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.31 AU - 10.85 AU

Year: 20467 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,385,276 km

• M1: 92,302 km (0.118 R)
• M2: 358,137 km (0.076 R)
• M3: 609,611 km (0.093 R)
• M4: 1,344,586 km (0.084 R)
• M5: 1,735,036 km (0.09 R)
• M6: 2,112,771 km (0.087 R)
• M7: 2,355,867 km (0.089 R)
• M8: 2,743,176 km (0.115 R)
• M9: 3,707,933 km (0.079 R)
• M10: 5,471,841 km (0.096 R)
• M11: 5,848,080 km (0.12 R)
• M12: 6,331,131 km (0.105 R)
• M13: 7,032,446 km (0.096 R)
• M14: 11,267,712 km (0.118 R)
• M15: 14,854,470 km (0.096 R)
• M16: 17,838,499 km (0.101 R)
• M17: 20,397,221 km (0.082 R)
• M18: 24,175,764 km (0.084 R)
• M19: 25,417,277 km (0.079 R)
• M20: 34,611,861 km (0.118 R)
• M21: 49,645,250 km (0.072 R)
• M22: 58,772,366 km (0.094 R)
• M23: 62,464,591 km (0.029 R)
• M24: 63,941,122 km (0.092 R)
• M25: 71,904,366 km (0.087 R)
• M26: 78,536,489 km (0.15 R)
• M27: 81,249,745 km (0.133 R)
• M28: 82,251,752 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 15,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit