🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 8.2

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,882,004 km

• M1: 102,026 km (0.078 R)
• M2: 368,160 km (0.112 R)
• M3: 727,794 km (0.057 R)
• M4: 1,118,842 km (0.074 R)
• M5: 1,379,741 km (0.061 R)
• M6: 1,696,141 km (0.118 R)
• M7: 2,011,493 km (0.079 R)
• M8: 2,412,116 km (0.096 R)
• M9: 2,875,421 km (0.118 R)
• M10: 3,649,739 km (0.105 R)
• M11: 3,993,366 km (0.059 R)
• M12: 4,330,559 km (0.082 R)
• M13: 5,093,209 km (0.078 R)
• M14: 5,588,827 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 14.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.31 AU - 2.09 AU

Year: 1503 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,882,004 km

• M1: 181,911 km (0.064 R)
• M2: 769,980 km (0.12 R)
• M3: 1,236,576 km (0.096 R)
• M4: 1,971,700 km (0.038 R)
• M5: 2,532,243 km (0.079 R)
• M6: 3,406,044 km (0.11 R)
• M7: 4,152,538 km (0.087 R)
• M8: 4,696,625 km (0.112 R)
• M9: 6,223,122 km (0.063 R)
• M10: 7,214,806 km (0.084 R)
• M11: 8,823,881 km (0.097 R)
• M12: 9,980,123 km (0.092 R)
• M13: 10,861,404 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 10.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.56 AU - 2.48 AU

Year: 1947 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,882,004 km

• M1: 146,157 km (0.118 R)
• M2: 847,472 km (0.076 R)
• M3: 1,198,129 km (0.064 R)
• M4: 1,955,992 km (0.114 R)
• M5: 2,532,393 km (0.111 R)
• M6: 2,962,487 km (0.053 R)
• M7: 3,328,702 km (0.102 R)
• M8: 3,794,101 km (0.082 R)
• M9: 4,794,462 km (0.059 R)
• M10: 7,309,801 km (0.111 R)
• M11: 7,697,558 km (0.109 R)
• M12: 8,454,075 km (0.088 R)
• M13: 9,037,656 km (0.026 R)
• M14: 12,445,196 km (0.111 R)
• M15: 13,902,579 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 14

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.54 AU - 3.4 AU

Year: 3472 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,882,004 km

• M1: 174,282 km (0.1 R)
• M2: 739,911 km (0.115 R)
• M3: 1,319,603 km (0.073 R)
• M4: 2,145,084 km (0.048 R)
• M5: 4,193,079 km (0.098 R)
• M6: 5,620,542 km (0.039 R)
• M7: 6,095,066 km (0.097 R)
• M8: 6,810,892 km (0.098 R)
• M9: 8,700,313 km (0.116 R)
• M10: 10,006,003 km (0.025 R)
• M11: 10,875,466 km (0.077 R)
• M12: 11,394,571 km (0.097 R)
• M13: 12,670,491 km (0.069 R)
• M14: 13,838,252 km (0.112 R)
• M15: 14,917,900 km (0.11 R)
• M16: 15,722,886 km (0.115 R)
• M17: 16,783,984 km (0.114 R)
• M18: 17,361,282 km (0.053 R)
• M19: 17,892,205 km (0.055 R)
• M20: 19,235,743 km (0.1 R)
• M21: 19,804,365 km (0.108 R)
• M22: 20,777,199 km (0.07 R)
• M23: 21,308,870 km (0.107 R)
• M24: 22,192,096 km (0.118 R)
• M25: 22,677,840 km (0.047 R)
• M26: 23,526,958 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 9.3

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.55 AU - 3.65 AU

Year: 3702 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,882,004 km

• M1: 115,639 km (0.087 R)
• M2: 496,515 km (0.09 R)
• M3: 835,654 km (0.085 R)
• M4: 1,292,226 km (0.07 R)
• M5: 1,668,465 km (0.072 R)
• M6: 2,131,620 km (0.113 R)
• M7: 2,513,394 km (0.107 R)
• M8: 2,922,694 km (0.102 R)
• M9: 3,435,814 km (0.119 R)
• M10: 4,329,213 km (0.051 R)
• M11: 4,997,167 km (0.115 R)
• M12: 5,934,398 km (0.092 R)
• M13: 6,352,674 km (0.093 R)
• M14: 6,951,813 km (0.041 R)
• M15: 7,451,021 km (0.073 R)
• M16: 7,796,891 km (0.053 R)
• M17: 8,708,990 km (0.08 R)
• M18: 9,408,509 km (0.06 R)
• M19: 9,895,450 km (0.095 R)
• M20: 10,187,166 km (0.097 R)
• M21: 10,831,634 km (0.112 R)
• M22: 12,879,629 km (0.055 R)
• M23: 15,730,067 km (0.06 R)
• M24: 16,707,988 km (0.101 R)
• M25: 18,406,522 km (0.11 R)
• M26: 23,005,161 km (0.06 R)
• M27: 24,038,732 km (0.046 R)
• M28: 24,491,116 km (0.062 R)
• M29: 25,568,520 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 8.6

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.76 AU - 3.8 AU

Year: 4985 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,882,004 km

• M1: 116,986 km (0.093 R)
• M2: 496,216 km (0.081 R)
• M3: 839,842 km (0.097 R)
• M4: 1,135,897 km (0.081 R)
• M5: 1,714,691 km (0.115 R)
• M6: 3,061,820 km (0.051 R)
• M7: 3,579,727 km (0.054 R)
• M8: 4,710,687 km (0.117 R)
• M9: 4,979,365 km (0.079 R)
• M10: 6,949,569 km (0.09 R)
• M11: 7,513,703 km (0.092 R)
• M12: 8,494,915 km (0.075 R)
• M13: 9,601,939 km (0.085 R)
• M14: 11,271,452 km (0.069 R)
• M15: 12,000,442 km (0.108 R)
• M16: 12,968,340 km (0.081 R)
• M17: 13,823,142 km (0.088 R)
• M18: 14,320,256 km (0.106 R)
• M19: 15,644,646 km (0.05 R)
• M20: 19,207,918 km (0.107 R)
• M21: 26,768,744 km (0.06 R)
• M22: 27,368,182 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 11.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.48 AU - 4.42 AU

Year: 5325 Days

Day: 7.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,882,004 km

• M1: 144,362 km (0.028 R)
• M2: 551,567 km (0.098 R)
• M3: 952,490 km (0.108 R)
• M4: 1,708,557 km (0.084 R)
• M5: 2,929,725 km (0.045 R)
• M6: 3,347,701 km (0.099 R)
• M7: 4,133,838 km (0.103 R)
• M8: 4,503,644 km (0.097 R)
• M9: 5,015,119 km (0.106 R)
• M10: 5,385,823 km (0.09 R)
• M11: 5,774,927 km (0.044 R)
• M12: 6,609,832 km (0.036 R)
• M13: 7,491,712 km (0.075 R)
• M14: 7,977,755 km (0.091 R)
• M15: 8,728,737 km (0.095 R)
• M16: 9,340,891 km (0.066 R)
• M17: 10,691,311 km (0.111 R)
• M18: 11,561,821 km (0.115 R)
• M19: 14,958,141 km (0.118 R)
• M20: 15,625,946 km (0.066 R)
• M21: 17,298,750 km (0.066 R)
• M22: 19,387,585 km (0.088 R)
• M23: 20,492,814 km (0.075 R)
• M24: 21,188,594 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.4

Radius: 6.7

Gravity: 21.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.88 AU - 10.12 AU

Year: 21448 Days

Day: 15.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,882,004 km

• M1: 83,476 km (0.116 R)
• M2: 301,739 km (0.055 R)
• M3: 751,879 km (0.048 R)
• M4: 1,811,780 km (0.107 R)
• M5: 2,409,723 km (0.107 R)
• M6: 3,481,890 km (0.084 R)
• M7: 4,022,537 km (0.084 R)
• M8: 4,330,709 km (0.108 R)
• M9: 4,803,588 km (0.104 R)
• M10: 5,766,400 km (0.098 R)
• M11: 6,293,433 km (0.086 R)
• M12: 7,751,114 km (0.1 R)
• M13: 8,896,885 km (0.109 R)
• M14: 9,420,926 km (0.093 R)
• M15: 10,339,756 km (0.074 R)
• M16: 10,918,849 km (0.077 R)
• M17: 11,655,918 km (0.102 R)
• M18: 12,071,651 km (0.109 R)
• M19: 12,786,429 km (0.082 R)
• M20: 13,453,636 km (0.113 R)
• M21: 14,776,829 km (0.047 R)
• M22: 19,943,042 km (0.052 R)
• M23: 23,252,446 km (0.115 R)
• M24: 26,671,206 km (0.102 R)
• M25: 30,410,854 km (0.083 R)
• M26: 31,865,394 km (0.076 R)
• M27: 33,643,215 km (0.076 R)
• M28: 35,342,198 km (0.108 R)
• M29: 37,695,372 km (0.119 R)
• M30: 42,547,878 km (0.093 R)
• M31: 45,038,683 km (0.042 R)
• M32: 48,153,909 km (0.086 R)
• M33: 49,044,016 km (0.11 R)
• M34: 56,171,158 km (0.113 R)
• M35: 65,250,103 km (0.084 R)
• M36: 73,134,210 km (0.107 R)
• M37: 73,602,900 km (0.101 R)
• M38: 80,128,958 km (0.102 R)
• M39: 84,945,710 km (0.103 R)
• M40: 85,204,365 km (0.066 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 14,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit